gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
gfs2: fsid=syz:syz.0: pid: 4354
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:4354 [gfs2_quotad] gfs2_quota_sync+0x379/0x810 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: 4354 Comm: gfs2_quotad Not tainted 6.1.129-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+0x1375/0x1590 fs/gfs2/glock.c:1580
Code: 21 fe 0f b7 4d 00 48 c7 c7 c0 85 52 8b 48 8b 74 24 28 89 da e8 dc 02 ee 06 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 3b 76 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 5d f1 ff ff 48 89 df e8 12
RSP: 0018:ffffc900045ffad8 EFLAGS: 00010246
RAX: f46ebc1d07778f00 RBX: 0000000000000008 RCX: ffff8880735f0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880274d9b5a R08: ffffffff83c06260 R09: fffffbfff1d413e6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004e9b363
R13: ffff8880701ebbe0 R14: ffff8880274d9b22 R15: ffff8880274d9b50
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f899c1f2300 CR3: 000000005c272000 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+0x3c2/0xc70 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x379/0x810 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x40d/0x670 fs/gfs2/quota.c:1566
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:add_to_queue fs/gfs2/glock.c:1555 [inline]
RIP: 0010:gfs2_glock_nq+0x1375/0x1590 fs/gfs2/glock.c:1580
Code: 21 fe 0f b7 4d 00 48 c7 c7 c0 85 52 8b 48 8b 74 24 28 89 da e8 dc 02 ee 06 31 ff 48 8b 74 24 10 ba 01 00 00 00 e8 3b 76 ff ff <0f> 0b 89 d9 80 e1 07 fe c1 38 c1 0f 8c 5d f1 ff ff 48 89 df e8 12
RSP: 0018:ffffc900045ffad8 EFLAGS: 00010246
RAX: f46ebc1d07778f00 RBX: 0000000000000008 RCX: ffff8880735f0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880274d9b5a R08: ffffffff83c06260 R09: fffffbfff1d413e6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004e9b363
R13: ffff8880701ebbe0 R14: ffff8880274d9b22 R15: ffff8880274d9b50
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f899c1f2300 CR3: 000000005c272000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400