gfs2: fsid=syz:syz.0: new: gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0: new: do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921
gfs2: fsid=syz:syz.0: pid: 4175
gfs2: fsid=syz:syz.0: lock type: 8 req lock state : 1
gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4175 [syz-executor] gfs2_glock_nq_init fs/gfs2/glock.h:244 [inline]
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4175 [syz-executor] do_sync+0x3ab/0xc60 fs/gfs2/quota.c:921
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1503!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4175 Comm: syz-executor Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1527
Code: ef e8 2d c8 34 fe 0f b7 4d 00 48 c7 c7 80 a3 ed 8a 4c 89 e6 89 da e8 98 29 a9 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 d9 86 ff ff <0f> 0b e8 92 d4 ea fd e8 4d c3 6a fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc90002f9fa58 EFLAGS: 00010246
RAX: 4e258ffb9084f200 RBX: 0000000000000008 RCX: ffff88802a278000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807c2f8d5a R08: ffffffff83956549 R09: fffffbfff1c154de
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880229c12c0
R13: dffffc0000000000 R14: ffff88805ff27b60 R15: ffff88807c2f8d22
FS:  00005555649b0500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc69731e7c CR3: 0000000062c84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline]
 do_sync+0x3b3/0xc60 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x49/0xb0 fs/gfs2/super.c:647
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x310 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1427
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd9f18a0497
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc69731e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007fd9f192077c RCX: 00007fd9f18a0497
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc69731f20
RBP: 00007ffc69731f20 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc69732fb0
R13: 00007fd9f192077c R14: 000000000001dc12 R15: 00007ffc69732ff0
 </TASK>
Modules linked in:
---[ end trace 17785d21ecf44e1f ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1503 [inline]
RIP: 0010:gfs2_glock_nq+0x10c7/0x15e0 fs/gfs2/glock.c:1527
Code: ef e8 2d c8 34 fe 0f b7 4d 00 48 c7 c7 80 a3 ed 8a 4c 89 e6 89 da e8 98 29 a9 06 31 ff 4c 89 f6 ba 01 00 00 00 e8 d9 86 ff ff <0f> 0b e8 92 d4 ea fd e8 4d c3 6a fd e9 0f f9 ff ff 48 8d 5a 08 48
RSP: 0018:ffffc90002f9fa58 EFLAGS: 00010246
RAX: 4e258ffb9084f200 RBX: 0000000000000008 RCX: ffff88802a278000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff88807c2f8d5a R08: ffffffff83956549 R09: fffffbfff1c154de
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880229c12c0
R13: dffffc0000000000 R14: ffff88805ff27b60 R15: ffff88807c2f8d22
FS:  00005555649b0500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc69731e7c CR3: 0000000062c84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400