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WARNING: CPU: 3 PID: 8642 at kernel/workqueue.c:4406 destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4406
Modules linked in:
CPU: 3 PID: 8642 Comm: syz-executor.1 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:destroy_workqueue.cold+0x5/0x71 kernel/workqueue.c:4406
Code: e0 b9 6a 89 f7 f1 89 c6 e8 ee 8b 00 00 c6 44 24 27 01 e9 df 8a 88 f8 48 c7 c7 80 f1 c0 8b e8 5f 26 f5 f8 eb c2 e8 a8 6b b1 f8 <0f> 0b 48 c7 c6 e0 be 6a 89 48 c7 c7 20 ba 6a 89 49 8d 96 60 01 00
RSP: 0018:ffffc90000e67cb8 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff88801a9e0000 RSI: ffffffff88c285d8 RDI: 0000000000000003
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000003
R10: ffffffff814b1783 R11: 0000000000000001 R12: dffffc0000000000
R13: ffffe8ffadd6fc00 R14: ffff88801c9df800 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:000000000a394380
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000030125000 CR3: 000000005cf23000 CR4: 0000000000150ee0
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:1394
 deactivate_locked_super+0x94/0x160 fs/super.c:335
 deactivate_super+0xad/0xd0 fs/super.c:366
 cleanup_mnt+0x3a3/0x530 fs/namespace.c:1136
 task_work_run+0xdd/0x1a0 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 __do_fast_syscall_32+0x62/0x90 arch/x86/entry/common.c:143
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:165
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f60549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffb0306c EFLAGS: 00000296 ORIG_RAX: 0000000000000034
RAX: 0000000000000000 RBX: 00000000ffb03110 RCX: 0000000000000002
RDX: 000000000816c000 RSI: 0000000000000000 RDI: 00000000080e9e6a
RBP: 00000000ffb03110 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000