gfs2: fsid=syz:syz.0: fatal assertion failed
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:320!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 23204 Comm: syz.1.5381 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline]
RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705
Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ad 99 22 fe 48 8b 44 24 10 48 8b 38 e8 50 00 26 fd 90 <0f> 0b e8 28 79 bc fd 48 8b 7c 24 10 e8 3e 00 26 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000e087930 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100f102a8c RCX: 2843f9c580c60a00
RDX: ffffc9001b095000 RSI: 0000000000003c2f RDI: 0000000000003c30
RBP: ffffffffffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bbae40 R12: ffff8880788153f0
R13: ffff888078815460 R14: ffff888078815480 R15: 0000000000000000
FS:  00007fcb411df6c0(0000) GS:ffff888125e21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb411def98 CR3: 0000000037cdd000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_quota_change+0x391/0x800 fs/gfs2/quota.c:1304
 gfs2_free_di+0x2db/0x3f0 fs/gfs2/rgrp.c:2592
 gfs2_dinode_dealloc+0x30d/0x3e0 fs/gfs2/inode.c:509
 evict_unlinked_inode fs/gfs2/super.c:1317 [inline]
 gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1414
 evict+0x5f4/0xae0 fs/inode.c:837
 do_unlinkat+0x340/0x560 fs/namei.c:5443
 __do_sys_unlinkat fs/namei.c:5469 [inline]
 __se_sys_unlinkat fs/namei.c:5462 [inline]
 __x64_sys_unlinkat+0xd3/0xf0 fs/namei.c:5462
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcb4038f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb411df038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007fcb405e6090 RCX: 00007fcb4038f749
RDX: 0000000000000000 RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007fcb40413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcb405e6128 R14: 00007fcb405e6090 R15: 00007fff711d95b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline]
RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705
Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ad 99 22 fe 48 8b 44 24 10 48 8b 38 e8 50 00 26 fd 90 <0f> 0b e8 28 79 bc fd 48 8b 7c 24 10 e8 3e 00 26 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000e087930 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100f102a8c RCX: 2843f9c580c60a00
RDX: ffffc9001b095000 RSI: 0000000000003c2f RDI: 0000000000003c30
RBP: ffffffffffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bbae40 R12: ffff8880788153f0
R13: ffff888078815460 R14: ffff888078815480 R15: 0000000000000000
FS:  00007fcb411df6c0(0000) GS:ffff888125e21000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb411def98 CR3: 0000000037cdd000 CR4: 0000000000350ef0