loop6: detected capacity change from 0 to 40 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 5572 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220818 #1 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 5572, name: syz-executor.5 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.5/5572. irq event stamp: 552 hardirqs last enabled at (551): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (552): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (358): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (329): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 5572 Comm: syz-executor.5 Not tainted 6.0.0-rc1-next-20220818 #1 syz-executor.5[5572] cmdline: /syz-executor.5 exec 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 __might_resched.cold+0x222/0x26b down_read_killable+0x75/0x490 __access_remote_vm+0xac/0x6f0 get_mm_cmdline.part.0+0x214/0x600 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write get_task_cmdline_kernel+0x1e9/0x230 dump_stack_print_cmdline.part.0+0x82/0x150 dump_stack_print_info+0x185/0x190 dump_stack_lvl+0x7f/0xb3 should_fail.cold+0x5/0xa _copy_from_user+0x2a/0x170 __x64_sys_sched_setaffinity+0xf1/0x170 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f208717eb19 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:00007f20846f4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cb RAX: ffffffffffffffda RBX: 00007f2087291f60 RCX: 00007f208717eb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f20846f41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff0fcac78f R14: 00007f20846f4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 syz-executor.5[5572] cmdline: /syz-executor.5 exec 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 _copy_from_user+0x2a/0x170 __x64_sys_sched_setaffinity+0xf1/0x170 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f208717eb19 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:00007f20846f4188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cb RAX: ffffffffffffffda RBX: 00007f2087291f60 RCX: 00007f208717eb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f20846f41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff0fcac78f R14: 00007f20846f4300 R15: 0000000000022000 CPU: 1 PID: 5579 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220818 #1 loop6: detected capacity change from 0 to 40 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write syz-executor.2[5579] cmdline: /syz-executor.2 exec 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 _copy_from_user+0x2a/0x170 __x64_sys_sched_setaffinity+0xf1/0x170 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2b5b511b19 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:00007f2b58a87188 EFLAGS: 00000246 ORIG_RAX: 00000000000000cb RAX: ffffffffffffffda RBX: 00007f2b5b624f60 RCX: 00007f2b5b511b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f2b58a871d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe0ecc136f R14: 00007f2b58a87300 R15: 0000000000022000 FAT-fs (loop7): bogus number of reserved sectors FAT-fs (loop7): Can't find a valid FAT filesystem loop6: detected capacity change from 0 to 40 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 5599 Comm: syz-executor.7 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.7[5599] cmdline: /syz-executor.7 exec 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 _copy_from_user+0x2a/0x170 __do_sys_memfd_create+0x103/0x4e0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff75acb9b19 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:00007ff75822ef48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000a40 RCX: 00007ff75acb9b19 RDX: 00007ff75822f000 RSI: 0000000000000000 RDI: 00007ff75ad130fb RBP: 0000000000000000 R08: 00007ff75822eff8 R09: ffffffffffffffff R10: 00007ff75822effc R11: 0000000000000246 R12: 0000000020000040 R13: 0000000020000140 R14: 0000000000000000 R15: 0000000020000b00