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WARNING: CPU: 0 PID: 10556 at kernel/workqueue.c:4396 destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4396
Modules linked in:
CPU: 0 PID: 10556 Comm: syz-executor.2 Not tainted 5.10.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4396
Code: 80 90 4a 89 f7 f1 89 c6 e8 01 81 00 00 c6 44 24 37 01 e9 cf 47 9b f8 48 c7 c7 80 f1 00 8b e8 78 40 04 f9 eb c2 e8 d1 fc c2 f8 <0f> 0b 48 c7 c6 80 95 4a 89 48 c7 c7 c0 90 4a 89 49 8d 96 60 01 00
RSP: 0018:ffffc900010a7ce0 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff81485793
RDX: ffff888020a68880 RSI: ffffffff88ad094f RDI: 0000000000000005
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffe8ffadab3800 R14: ffff88801925e800 R15: 0000000000000000
FS:  0000000003049940(0000) GS:ffff88802ca00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000046f550 CR3: 000000006169c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 reiserfs_put_super+0x234/0x5c0 fs/reiserfs/super.c:631
 generic_shutdown_super+0x144/0x370 fs/super.c:464
 kill_block_super+0x97/0xf0 fs/super.c:1446
 deactivate_locked_super+0x94/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x3a3/0x530 fs/namespace.c:1118
 task_work_run+0xdd/0x190 kernel/task_work.c:151
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:164 [inline]
 exit_to_user_mode_prepare+0x17e/0x1a0 kernel/entry/common.c:191
 syscall_exit_to_user_mode+0x38/0x260 kernel/entry/common.c:266
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45eb57
Code: 8c be a0 fb ff 74 01 c3 31 ed 58 5f ff d0 48 89 c7 e8 ed d7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d a0 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffda8915878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00000000004a99f5 RCX: 000000000045eb57
RDX: 00007ffda891594b RSI: 0000000000000002 RDI: 00007ffda8915940
RBP: 00007ffda8915940 R08: 000000000304aafb R09: 000000000000000b
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007ffda89169d0
R13: 000000000304aa60 R14: 00000000004a9a14 R15: 00000000ffffffff