EXT4-fs (loop4): mount failed FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 9871 Comm: syz-executor.2 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: 9871, name: syz-executor.2 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.2/9871. irq event stamp: 616 hardirqs last enabled at (615): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (616): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (410): [] mac80211_hwsim_netlink_notify+0x253/0xa00 softirqs last disabled at (408): [] mac80211_hwsim_netlink_notify+0x140/0xa00 CPU: 0 PID: 9871 Comm: syz-executor.2 Not tainted 6.0.0-rc1-next-20220818 #1 loop6: detected capacity change from 0 to 545 syz-executor.2[9871] 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 __might_resched.cold+0x222/0x26b down_read_killable+0x75/0x490 __access_remote_vm+0xac/0x6f0 get_mm_cmdline.part.0+0x214/0x600 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 copy_msghdr_from_user+0x89/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe6788a0b19 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:00007fe675e16188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe6789b3f60 RCX: 00007fe6788a0b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fe675e161d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda83a70bf R14: 00007fe675e16300 R15: 0000000000022000 syz-executor.2[9871] 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 copy_msghdr_from_user+0x89/0x150 loop4: detected capacity change from 0 to 544 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 loop3: detected capacity change from 0 to 545 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe6788a0b19 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:00007fe675e16188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe6789b3f60 RCX: 00007fe6788a0b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 loop7: detected capacity change from 0 to 545 RBP: 00007fe675e161d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda83a70bf R14: 00007fe675e16300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9892 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220818 #1 EXT4-fs error (device loop6): __ext4_fill_super:5244: inode #2: comm syz-executor.6: iget: root inode unallocated EXT4-fs (loop6): get root inode failed EXT4-fs (loop6): mount failed syz-executor.2[9892] 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 iovec_from_user+0x23a/0x3c0 __import_iovec+0x64/0x600 import_iovec+0x83/0xb0 copy_msghdr_from_user+0xed/0x150 ___sys_sendmsg+0xdd/0x1b0 __sys_sendmsg+0xf3/0x1c0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe6788a0b19 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:00007fe675e16188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe6789b3f60 RCX: 00007fe6788a0b19 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fe675e161d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffda83a70bf R14: 00007fe675e16300 R15: 0000000000022000 EXT4-fs error (device loop3): __ext4_fill_super:5244: inode #2: comm syz-executor.3: iget: root inode unallocated EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. EXT4-fs error (device loop4): ext4_quota_enable:6781: comm syz-executor.4: Bad quota inode # 3 EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed ext4 filesystem being mounted at /syzkaller-testdir880738184/syzkaller.59oRA8/199/file0 supports timestamps until 2038 (0x7fffffff) loop5: detected capacity change from 0 to 545 EXT4-fs warning (device loop4): ext4_enable_quotas:6818: Failed to enable quota tracking (type=0, err=-116). Please run e2fsck to fix. EXT4-fs (loop4): mount failed EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir127341965/syzkaller.vuAxlc/197/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. loop6: detected capacity change from 0 to 545 EXT4-fs error (device loop6): __ext4_fill_super:5244: inode #2: comm syz-executor.6: iget: root inode unallocated EXT4-fs (loop5): unmounting filesystem. EXT4-fs (loop6): get root inode failed EXT4-fs (loop6): mount failed loop7: detected capacity change from 0 to 545 loop3: detected capacity change from 0 to 545 EXT4-fs error (device loop3): __ext4_fill_super:5244: inode #2: comm syz-executor.3: iget: root inode unallocated EXT4-fs (loop3): get root inode failed EXT4-fs (loop3): mount failed EXT4-fs (loop7): mounted filesystem without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir880738184/syzkaller.59oRA8/200/file0 supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem.