gfs2: fsid=syz:syz.0: new: gfs2_quota_sync+0x32c/0x700 fs/gfs2/quota.c:1329
gfs2: fsid=syz:syz.0: pid: 5533
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:5533 [gfs2_quotad] gfs2_quota_sync+0x32c/0x700 fs/gfs2/quota.c:1329
------------[ cut here ]------------
kernel BUG at fs/gfs2/glock.c:1560!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5533 Comm: gfs2_quotad Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:add_to_queue fs/gfs2/glock.c:1560 [inline]
RIP: 0010:gfs2_glock_nq+0x1207/0x14e0 fs/gfs2/glock.c:1585
Code: 5f e4 3e fe 41 0f b7 0e 48 c7 c7 40 30 d2 8a 4c 89 fe 89 da e8 8a 10 8e 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 c9 78 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: 0018:ffffc900034ffad8 EFLAGS: 00010246
RAX: c3bf00f93b8d4d00 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff5200069ff50
RBP: ffff88804fc23be0 R08: ffffffff8e1ff3ef R09: fffff5200069ff0c
R10: dffffc0000000000 R11: fffffbfff1c3fe7e R12: ffff8880796bd218
R13: 0000000000000000 R14: ffff8880796bd25a R15: ffff8880607e9270
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb11e9e0f0 CR3: 000000002687a000 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+0x3f5/0xc40 fs/gfs2/quota.c:921
 gfs2_quota_sync+0x32c/0x700 fs/gfs2/quota.c:1329
 quotad_check_timeo fs/gfs2/quota.c:1519 [inline]
 gfs2_quotad+0x420/0x680 fs/gfs2/quota.c:1566
 kthread+0x29d/0x330 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:1560 [inline]
RIP: 0010:gfs2_glock_nq+0x1207/0x14e0 fs/gfs2/glock.c:1585
Code: 5f e4 3e fe 41 0f b7 0e 48 c7 c7 40 30 d2 8a 4c 89 fe 89 da e8 8a 10 8e 06 31 ff 48 8b 74 24 08 ba 01 00 00 00 e8 c9 78 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: 0018:ffffc900034ffad8 EFLAGS: 00010246
RAX: c3bf00f93b8d4d00 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000044 RSI: 0000000000000000 RDI: fffff5200069ff50
RBP: ffff88804fc23be0 R08: ffffffff8e1ff3ef R09: fffff5200069ff0c
R10: dffffc0000000000 R11: fffffbfff1c3fe7e R12: ffff8880796bd218
R13: 0000000000000000 R14: ffff8880796bd25a R15: ffff8880607e9270
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bb11e9e0f0 CR3: 000000002687a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400