------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:331!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 17043 Comm: gfs2_quotad/syz Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:qd_put+0x18a/0x190 fs/gfs2/quota.c:331
Code: e7 e8 9a a1 2d fe e9 ee fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 ef e8 71 a2 2d fe e9 76 ff ff ff e8 87 23 ca fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000bb7b88 EFLAGS: 00010293
RAX: ffffffff83f638c9 RBX: ffff888041a8d7e0 RCX: ffff88801eb5da00
RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000
RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000176f58 R12: ffff888041a8d850
R13: ffff88807c571000 R14: ffff888041a8d810 R15: 1ffff11008351b0a
FS:  0000000000000000(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce05ff8 CR3: 000000004b052000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_quota_sync+0x3c4/0x460 fs/gfs2/quota.c:1361
 quotad_check_timeo fs/gfs2/quota.c:1567 [inline]
 gfs2_quotad+0x335/0x930 fs/gfs2/quota.c:1614
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:qd_put+0x18a/0x190 fs/gfs2/quota.c:331
Code: e7 e8 9a a1 2d fe e9 ee fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 83 48 89 ef e8 71 a2 2d fe e9 76 ff ff ff e8 87 23 ca fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000bb7b88 EFLAGS: 00010293
RAX: ffffffff83f638c9 RBX: ffff888041a8d7e0 RCX: ffff88801eb5da00
RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000
RBP: 00000000ffffff80 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000176f58 R12: ffff888041a8d850
R13: ffff88807c571000 R14: ffff888041a8d810 R15: 1ffff11008351b0a
FS:  0000000000000000(0000) GS:ffff888125d51000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce05ff8 CR3: 000000004b052000 CR4: 0000000000350ef0