gfs2: fsid=syz:syz.0: G:  s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:6 m:20 p:0
gfs2: fsid=syz:syz.0:  H: s:EX f:cH e:0 p:4253 [syz-executor] gfs2_quota_sync+0x32c/0x6f0 fs/gfs2/quota.c:1329
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1555!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4253 Comm: syz-executor Not tainted 6.1.135-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:1555 [inline]
RIP: 0010:gfs2_glock_nq+0x1207/0x14e0 fs/gfs2/glock.c:1580
Code: 3f db 45 fe 41 0f b7 0e 48 c7 c7 60 34 b2 8a 4c 89 fe 89 da e8 1a 8f 77 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 c9 7d ff ff <0f> 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 59 ef ff ff 4c 89 ff
RSP: 0000:ffffc90003cc79d8 EFLAGS: 00010246
RAX: 44065ce9d9b2ec00 RBX: 0000000000000008 RCX: ffff88803024bb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888055c5a2e0 R08: dffffc0000000000 R09: fffffbfff1bfcf4e
R10: fffffbfff1bfcf4e R11: 1ffffffff1bfcf4d R12: ffff88802eb17b18
R13: 0000000000000000 R14: ffff88802eb17b5a R15: ffff8880308b5270
FS:  00005555563bb500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe55faad3c CR3: 000000005c006000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_glock_nq_init fs/gfs2/glock.h:255 [inline]
 do_sync+0x3d3/0xc00 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x32c/0x6f0 fs/gfs2/quota.c:1329
 gfs2_sync_fs+0x48/0xb0 fs/gfs2/super.c:660
 sync_filesystem+0xe6/0x220 fs/sync.c:56
 generic_shutdown_super+0x6b/0x340 fs/super.c:474
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1186
 task_work_run+0x1ca/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f928d38fc97
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:00007ffe55faad28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f928d41089d RCX: 00007f928d38fc97
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe55faade0
RBP: 00007ffe55faade0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe55fabe70
R13: 00007f928d41089d R14: 00000000000235bc R15: 00007ffe55fabeb0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1555 [inline]
RIP: 0010:gfs2_glock_nq+0x1207/0x14e0 fs/gfs2/glock.c:1580
Code: 3f db 45 fe 41 0f b7 0e 48 c7 c7 60 34 b2 8a 4c 89 fe 89 da e8 1a 8f 77 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 c9 7d ff ff <0f> 0b 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 59 ef ff ff 4c 89 ff
RSP: 0000:ffffc90003cc79d8 EFLAGS: 00010246
RAX: 44065ce9d9b2ec00 RBX: 0000000000000008 RCX: ffff88803024bb80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888055c5a2e0 R08: dffffc0000000000 R09: fffffbfff1bfcf4e
R10: fffffbfff1bfcf4e R11: 1ffffffff1bfcf4d R12: ffff88802eb17b18
R13: 0000000000000000 R14: ffff88802eb17b5a R15: ffff8880308b5270
FS:  00005555563bb500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe55faad3c CR3: 000000005c006000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400