ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/74/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 ------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.0.0-rc6-next-20220923 #1 Not tainted ------------------------------------------------------ syz-executor.0/8898 is trying to acquire lock: ffffffff853faaf8 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0xe/0x70 but task is already holding lock: ffff88803e84c020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){....}-{2:2}: _raw_spin_lock+0x2a/0x40 __perf_event_task_sched_out+0x53b/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 raw_spin_rq_lock_nested+0x1e/0x30 task_fork_fair+0x63/0x4d0 sched_cgroup_fork+0x3d0/0x540 copy_process+0x4183/0x6e20 kernel_clone+0xe7/0x890 user_mode_thread+0xad/0xf0 rest_init+0x24/0x250 arch_call_rest_init+0xf/0x14 start_kernel+0x4c1/0x4e6 secondary_startup_64_no_verify+0xe0/0xeb -> #1 (&p->pi_lock){-.-.}-{2:2}: _raw_spin_lock_irqsave+0x39/0x60 try_to_wake_up+0xab/0x1930 up+0x75/0xb0 __up_console_sem+0x6e/0x80 console_unlock+0x46a/0x590 vprintk_emit+0x1bd/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 kauditd_hold_skb.cold+0x3f/0x4e kauditd_send_queue+0x233/0x290 kauditd_thread+0x5da/0x9a0 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 -> #0 ((console_sem).lock){-...}-{2:2}: __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 group_sched_out.part.0+0x2c7/0x460 ctx_sched_out+0x8f1/0xc10 __perf_event_task_sched_out+0x6d0/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &ctx->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->lock); lock(&rq->__lock); lock(&ctx->lock); lock((console_sem).lock); *** DEADLOCK *** 2 locks held by syz-executor.0/8898: #0: ffff88806cf37d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x1cf/0x2470 #1: ffff88803e84c020 (&ctx->lock){....}-{2:2}, at: __perf_event_task_sched_out+0x53b/0x18d0 stack backtrace: CPU: 1 PID: 8898 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 check_noncircular+0x263/0x2e0 __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 RIP: 0010:group_sched_out.part.0+0x2c7/0x460 Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 RSP: 0018:ffff88802f9f78f8 EFLAGS: 00010006 RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880387d0000 RSI: ffffffff81564fb7 RDI: 0000000000000005 RBP: ffff8880307485c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b005b R12: ffff88803e84c000 R13: ffff88806cf3d140 R14: ffffffff8547d1a0 R15: 0000000000000002 ctx_sched_out+0x8f1/0xc10 __perf_event_task_sched_out+0x6d0/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7ba1712b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7b9ec88218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f7ba1825f68 RCX: 00007f7ba1712b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7ba1825f68 RBP: 00007f7ba1825f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ba1825f6c R13: 00007ffcd7a6cf4f R14: 00007f7b9ec88300 R15: 0000000000022000 WARNING: CPU: 1 PID: 8898 at kernel/events/core.c:2309 group_sched_out.part.0+0x2c7/0x460 Modules linked in: CPU: 1 PID: 8898 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:group_sched_out.part.0+0x2c7/0x460 Code: 5e 41 5f e9 5b bb ef ff e8 56 bb ef ff 65 8b 1d 1b 26 ac 7e 31 ff 89 de e8 f6 b7 ef ff 85 db 0f 84 8a 00 00 00 e8 39 bb ef ff <0f> 0b e9 a5 fe ff ff e8 2d bb ef ff 48 8d 7d 10 48 b8 00 00 00 00 RSP: 0018:ffff88802f9f78f8 EFLAGS: 00010006 RAX: 0000000040000002 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880387d0000 RSI: ffffffff81564fb7 RDI: 0000000000000005 RBP: ffff8880307485c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b005b R12: ffff88803e84c000 R13: ffff88806cf3d140 R14: ffffffff8547d1a0 R15: 0000000000000002 FS: 00007f7b9ec88700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efc0d8006f4 CR3: 00000000410b8000 CR4: 0000000000350ee0 Call Trace: ctx_sched_out+0x8f1/0xc10 __perf_event_task_sched_out+0x6d0/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7ba1712b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7b9ec88218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f7ba1825f68 RCX: 00007f7ba1712b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7ba1825f68 RBP: 00007f7ba1825f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ba1825f6c R13: 00007ffcd7a6cf4f R14: 00007f7b9ec88300 R15: 0000000000022000 irq event stamp: 768 hardirqs last enabled at (767): [] syscall_enter_from_user_mode+0x1d/0x50 hardirqs last disabled at (768): [] __schedule+0x1225/0x2470 softirqs last enabled at (758): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (745): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop4): unmounting filesystem. loop1: detected capacity change from 0 to 360 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop2): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8908 Comm: syz-executor.4 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7322df8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007f73203baf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f7322e8f970 RCX: 00007f7322df8ab7 RDX: 0000000000000020 RSI: 0000000020012500 RDI: 0000000000000004 RBP: 0000000000000017 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014 loop4: detected capacity change from 0 to 512 EXT4-fs (loop7): unmounting filesystem. loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs warning (device loop2): read_mmp_block:106: Error -117 while reading MMP block 12 EXT4-fs (loop4): unmounting filesystem. loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8922 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b loop1: detected capacity change from 0 to 360 RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 00000000000001a0 RSI: 0000000020013100 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000004e00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000398 R15: 0000000000000011 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8928 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000080 RSI: 0000000020011600 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000006000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000350 R15: 000000000000000e FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8932 Comm: syz-executor.4 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7322df8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007f73203baf20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f7322e8f970 RCX: 00007f7322df8ab7 RDX: 0000000000000020 RSI: 0000000020012600 RDI: 0000000000000004 RBP: 0000000000000017 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003f8 R15: 0000000000000015 loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/76/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop7: detected capacity change from 0 to 4096 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): unmounting filesystem. loop1: detected capacity change from 0 to 360 EXT4-fs (loop2): unmounting filesystem. EXT4-fs (loop7): unmounting filesystem. loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem. loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8967 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011700 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000006800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000368 R15: 000000000000000f CPU: 1 PID: 8963 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 00000000000000a0 RSI: 0000000020013300 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000005000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003b0 R15: 0000000000000012 loop2: detected capacity change from 0 to 512 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/77/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop2): unmounting filesystem. EXT4-fs (loop4): unmounting filesystem. loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8979 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011800 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000006c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000380 R15: 0000000000000010 loop3: detected capacity change from 0 to 128 loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/78/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop2): unmounting filesystem. loop4: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/79/file0 supports timestamps until 2038 (0x7fffffff) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9015 Comm: syz-executor.4 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7322df8a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f73203baed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f7322e8f970 RCX: 00007f7322df8a04 RDX: 0000000000000002 RSI: 00007f73203bb000 RDI: 00000000ffffff9c RBP: 00007f73203bb000 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000004 R14: 0000000020000428 R15: 0000000000000017 loop1: detected capacity change from 0 to 360 EXT4-fs (loop7): unmounting filesystem. loop3: detected capacity change from 0 to 128 EXT4-fs (loop2): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9025 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011900 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000398 R15: 0000000000000011 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9027 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 loop2: detected capacity change from 0 to 512 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000080 RSI: 0000000020013400 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003c8 R15: 0000000000000013 loop7: detected capacity change from 0 to 4096 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/80/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop2): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9039 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 loop3: detected capacity change from 0 to 128 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011a00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003b0 R15: 0000000000000012 loop7: detected capacity change from 0 to 4096 loop1: detected capacity change from 0 to 360 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. loop2: detected capacity change from 0 to 512 loop3: detected capacity change from 0 to 128 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/81/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop2): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9065 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013500 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000020000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014 loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9069 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011b00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003c8 R15: 0000000000000013 loop3: detected capacity change from 0 to 128 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/82/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 EXT4-fs (loop2): unmounting filesystem. loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 audit: type=1400 audit(1663937523.979:9): avc: denied { write } for pid=9084 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop7): unmounting filesystem. loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 EXT4-fs (loop4): unmounting filesystem. CPU: 1 PID: 9100 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000060 RSI: 0000000020011c00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000007c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003e0 R15: 0000000000000014 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9102 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd loop4: detected capacity change from 0 to 512 RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013600 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000021000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003f8 R15: 0000000000000015 loop1: detected capacity change from 0 to 360 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. hrtimer: interrupt took 21631 ns ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/83/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem. loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs warning (device loop2): ext4_enable_quotas:6818: Failed to enable quota tracking (type=1, err=-22). Please run e2fsck to fix. EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop2): mount failed FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9138 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 loop1: detected capacity change from 0 to 360 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011d00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200003f8 R15: 0000000000000015 loop2: detected capacity change from 0 to 512 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/85/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem. EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop4): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9147 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b loop3: detected capacity change from 0 to 128 RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011e00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000410 R15: 0000000000000016 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9153 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd loop2: detected capacity change from 0 to 512 RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013700 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000022000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000410 R15: 0000000000000016 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. loop3: detected capacity change from 0 to 128 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/86/file0 supports timestamps until 2038 (0x7fffffff) loop1: detected capacity change from 0 to 360 EXT4-fs (loop4): unmounting filesystem. loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop2): unmounting filesystem. loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): unmounting filesystem. EXT4-fs (loop7): unmounting filesystem. loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9195 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 loop4: detected capacity change from 0 to 512 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 loop7: detected capacity change from 0 to 4096 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020011f00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000428 R15: 0000000000000017 loop1: detected capacity change from 0 to 360 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. loop2: detected capacity change from 0 to 512 EXT4-fs (loop7): unmounting filesystem. loop3: detected capacity change from 0 to 128 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/87/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop4): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9214 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013800 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000023000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000428 R15: 0000000000000017 loop7: detected capacity change from 0 to 4096 EXT4-fs (loop2): unmounting filesystem. EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9218 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020012000 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000008c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000440 R15: 0000000000000018 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 EXT4-fs (loop7): unmounting filesystem. loop4: detected capacity change from 0 to 512 loop2: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/88/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop4): unmounting filesystem. loop7: detected capacity change from 0 to 4096 EXT4-fs (loop2): unmounting filesystem. EXT4-fs warning (device loop7): ext4_enable_quotas:6818: Failed to enable quota tracking (type=0, err=-22). Please run e2fsck to fix. EXT4-fs (loop7): mount failed loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 EXT4-fs (loop4): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9253 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013900 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000030000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000440 R15: 0000000000000018 loop3: detected capacity change from 0 to 128 EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. loop7: detected capacity change from 0 to 4096 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/89/file0 supports timestamps until 2038 (0x7fffffff) loop4: detected capacity change from 0 to 512 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop2): unmounting filesystem. EXT4-fs (loop4): unmounting filesystem. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9263 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000820 RSI: 0000000020012100 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000009000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000458 R15: 0000000000000019 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9267 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 loop4: detected capacity change from 0 to 512 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 loop3: detected capacity change from 0 to 128 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013a00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000030400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000458 R15: 0000000000000019 loop1: detected capacity change from 0 to 360 EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. loop2: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 loop5: detected capacity change from 0 to 12 nfs4: Unknown parameter 'mask' ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/90/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9298 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000060 RSI: 0000000020012a00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000009c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000470 R15: 000000000000001a loop2: detected capacity change from 0 to 512 loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9300 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013b00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000030800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000470 R15: 000000000000001a ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/91/file0 supports timestamps until 2038 (0x7fffffff) loop7: detected capacity change from 0 to 4096 loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/92/file0 supports timestamps until 2038 (0x7fffffff) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9318 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013c00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000030c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000488 R15: 000000000000001b loop1: detected capacity change from 0 to 360 loop3: detected capacity change from 0 to 128 loop7: detected capacity change from 0 to 4096 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9337 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020012b00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000488 R15: 000000000000001b loop4: detected capacity change from 0 to 512 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/93/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9358 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013d00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000031000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004a0 R15: 000000000000001c CPU: 1 PID: 9359 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 loop3: detected capacity change from 0 to 128 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000060 RSI: 0000000020012c00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004a0 R15: 000000000000001c loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/94/file0 supports timestamps until 2038 (0x7fffffff) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 loop3: detected capacity change from 0 to 128 CPU: 1 PID: 9385 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000060 RSI: 0000000020013e00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000031400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004b8 R15: 000000000000001d loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9394 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020012d00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010fe0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004b8 R15: 000000000000001d loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/95/file0 supports timestamps until 2038 (0x7fffffff) loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 loop3: detected capacity change from 0 to 128 CPU: 1 PID: 9411 Comm: syz-executor.4 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 __x64_sys_mkdir+0xda/0x140 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7322e44c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f73203bafa8 EFLAGS: 00000213 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f7322e44c27 RDX: 0000000000000004 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f73203bb040 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000213 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f73203bb000 R15: 0000000020012c00 loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 EXT4-fs warning (device loop7): ext4_enable_quotas:6818: Failed to enable quota tracking (type=1, err=-22). Please run e2fsck to fix. EXT4-fs (loop7): mount failed ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/96/file0 supports timestamps until 2038 (0x7fffffff) loop4: detected capacity change from 0 to 512 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9446 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020012d00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010fe0 R11: 0000000000000293 R12: 0000000000000004 loop7: detected capacity change from 0 to 4096 R13: 0000000000000004 R14: 00000000200004b8 R15: 000000000000001d loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/97/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9481 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020012e00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011080 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004d0 R15: 000000000000001e loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/98/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9504 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020012f00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011100 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004e8 R15: 000000000000001f loop3: detected capacity change from 0 to 128 loop2: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/99/file0 supports timestamps until 2038 (0x7fffffff) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9521 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020013f00 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000040000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004d0 R15: 000000000000001e loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9533 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000060 RSI: 0000000020013000 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011180 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000500 R15: 0000000000000020 loop3: detected capacity change from 0 to 128 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9541 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020014000 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000040400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004e8 R15: 000000000000001f loop2: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/100/file0 supports timestamps until 2038 (0x7fffffff) loop1: detected capacity change from 0 to 360 loop3: detected capacity change from 0 to 128 loop4: detected capacity change from 0 to 512 EXT4-fs error (device sda) in __ext4_new_inode:1085: Out of memory loop0: detected capacity change from 0 to 2560 ext4 filesystem being mounted at /syzkaller-testdir330857811/syzkaller.SZuEPi/38/file0 supports timestamps until 2038 (0x7fffffff) FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9565 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020014100 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000040800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000500 R15: 0000000000000020 loop7: detected capacity change from 0 to 4096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9568 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000040 RSI: 0000000020013100 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011500 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000518 R15: 0000000000000021 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/101/file0 supports timestamps until 2038 (0x7fffffff) loop4: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9582 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 RDX: 0000000000000020 RSI: 0000000020014200 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000040c00 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000518 R15: 0000000000000021 CPU: 0 PID: 9588 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 loop3: detected capacity change from 0 to 128 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000300 RSI: 0000000020013200 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000011580 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000530 R15: 0000000000000022 loop2: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/102/file0 supports timestamps until 2038 (0x7fffffff) loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/103/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 128 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9612 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020014000 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000040400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 00000000200004e8 R15: 000000000000001f loop1: detected capacity change from 0 to 360 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9621 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000420 RSI: 0000000020013500 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000012000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000548 R15: 0000000000000023 loop4: detected capacity change from 0 to 512 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/104/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 129 loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 loop4: detected capacity change from 0 to 512 loop3: detected capacity change from 0 to 129 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9646 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd loop1: detected capacity change from 0 to 360 RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000020 RSI: 0000000020014300 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000041000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000530 R15: 0000000000000022 loop7: detected capacity change from 0 to 4096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9651 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000020 RSI: 0000000020013a00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000012800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000560 R15: 0000000000000024 loop3: detected capacity change from 0 to 130 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop3: detected capacity change from 0 to 130 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/105/file0 supports timestamps until 2038 (0x7fffffff) loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9666 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000060 RSI: 0000000020014400 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000041400 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000548 R15: 0000000000000023 loop7: detected capacity change from 0 to 4096 loop1: detected capacity change from 0 to 360 loop2: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/106/file0 supports timestamps until 2038 (0x7fffffff) loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 130 loop4: detected capacity change from 0 to 512 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9695 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fdafed7af20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8ab7 RDX: 0000000000000080 RSI: 0000000020013b00 RDI: 0000000000000004 RBP: 0000000000000026 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000015800 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000578 R15: 0000000000000025 loop1: detected capacity change from 0 to 360 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9701 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000040 RSI: 0000000020014500 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000050000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000560 R15: 0000000000000024 loop7: detected capacity change from 0 to 4096 loop2: detected capacity change from 0 to 512 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/107/file0 supports timestamps until 2038 (0x7fffffff) loop3: detected capacity change from 0 to 130 loop4: detected capacity change from 0 to 512 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop1: detected capacity change from 0 to 360 loop7: detected capacity change from 0 to 4096 loop1: detected capacity change from 0 to 360 loop1: detected capacity change from 0 to 360 loop3: detected capacity change from 0 to 131 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9735 Comm: syz-executor.7 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 loop4: detected capacity change from 0 to 512 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa copyin+0x19/0x120 copy_page_from_iter_atomic+0x249/0x1290 generic_perform_write+0x2cb/0x580 __generic_file_write_iter+0x2da/0x480 generic_file_write_iter+0xe3/0x350 vfs_write+0x9c3/0xd90 __x64_sys_pwrite64+0x1fb/0x260 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcdabf26ab7 Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b RSP: 002b:00007fcda94e8f20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007fcdabfbd970 RCX: 00007fcdabf26ab7 RDX: 0000000000000420 RSI: 0000000020014600 RDI: 0000000000000004 RBP: 0000000000000028 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000060000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000578 R15: 0000000000000025 loop7: detected capacity change from 0 to 4096 loop3: detected capacity change from 0 to 131 loop2: detected capacity change from 0 to 512 loop1: detected capacity change from 0 to 360 loop4: detected capacity change from 0 to 512 ext4 filesystem being mounted at /syzkaller-testdir636804446/syzkaller.FWhF7V/109/file0 supports timestamps until 2038 (0x7fffffff) sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop3: detected capacity change from 0 to 131 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop4: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 4096 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9760 Comm: syz-executor.2 Tainted: G W 6.0.0-rc6-next-20220923 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb017b8a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fdafed7aed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdb0184f970 RCX: 00007fdb017b8a04 RDX: 0000000000000002 RSI: 00007fdafed7b000 RDI: 00000000ffffff9c RBP: 00007fdafed7b000 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000004 R14: 0000000020000590 R15: 0000000000000026