syzbot

gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: can't create logd thread: -4
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 5341 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 1 PID: 5341 at kernel/locking/lockdep.c:232 hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221
Modules linked in:
CPU: 1 UID: 0 PID: 5341 Comm: syz.3.4 Not tainted 6.11.0-syzkaller-07462-g1868f9d0260e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:hlock_class+0xfa/0x130 kernel/locking/lockdep.c:221
Code: b6 14 11 38 d0 7c 04 84 d2 75 43 8b 05 33 93 d5 0e 85 c0 75 19 90 48 c7 c6 e0 dd 4c 8b 48 c7 c7 80 d8 4c 8b e8 f7 ea e4 ff 90 <0f> 0b 90 90 90 31 c0 eb 9e e8 88 0c 82 00 e9 1c ff ff ff 48 c7 c7
RSP: 0018:ffffc90002fdf620 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000824 RCX: ffffc90009a9c000
RDX: 0000000000040000 RSI: ffffffff814e16b6 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000002d2d2d2d R12: 0000000000000000
R13: ffff88802409c708 R14: 0000000000000824 R15: ffff88802409bc00
FS:  00007f52a5c9c6c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf08898000 CR3: 0000000078ffa000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 check_wait_context kernel/locking/lockdep.c:4823 [inline]
 __lock_acquire+0x415/0x3ce0 kernel/locking/lockdep.c:5149
 lock_acquire kernel/locking/lockdep.c:5822 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5787
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:3880
 __flush_workqueue+0x129/0x1200 kernel/workqueue.c:3922
 drain_workqueue+0x18f/0x3d0 kernel/workqueue.c:4086
 destroy_workqueue+0xc2/0xaa0 kernel/workqueue.c:5830
 gfs2_fill_super+0x146d/0x2d10 fs/gfs2/ops_fstype.c:1310
 get_tree_bdev+0x372/0x610 fs/super.c:1635
 gfs2_get_tree+0x4e/0x280 fs/gfs2/ops_fstype.c:1329
 vfs_get_tree+0x92/0x380 fs/super.c:1800
 do_new_mount fs/namespace.c:3507 [inline]
 path_mount+0x14e6/0x1f20 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount fs/namespace.c:4032 [inline]
 __x64_sys_mount+0x294/0x320 fs/namespace.c:4032
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f52a4f7f69a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52a5c9be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f52a5c9bef0 RCX: 00007f52a4f7f69a
RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007f52a5c9beb0
RBP: 000000002001f680 R08: 00007f52a5c9bef0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000002001f6c0
R13: 00007f52a5c9beb0 R14: 000000000001f675 R15: 000000002001f700
 </TASK>