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: 13426 Comm: syz-executor Not tainted 6.16.0-syzkaller-08685-g260f6f4fda93 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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 1d b9 29 fe 48 8b 44 24 10 48 8b 38 e8 60 74 31 fd 90 <0f> 0b e8 88 ab c6 fd 48 8b 7c 24 10 e8 4e 74 31 fd 90 0f 0b 66 66
RSP: 0018:ffffc90003abf8f0 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100a457fb2 RCX: fa0353b575a79900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffff8fa07237 R09: 1ffffffff1f40e46
R10: dffffc0000000000 R11: fffffbfff1f40e47 R12: ffff8880522bfd20
R13: ffff8880522bfd90 R14: ffff8880522bfdb0 R15: 0000000000000000
FS:  000055555e7ae500(0000) GS:ffff888125c79000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25586c CR3: 000000003bc4a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_quota_change+0x394/0x800 fs/gfs2/quota.c:1304
 gfs2_free_di+0x2db/0x3f0 fs/gfs2/rgrp.c:2592
 gfs2_dinode_dealloc+0x30d/0x3e0 fs/gfs2/inode.c:495
 evict_unlinked_inode fs/gfs2/super.c:1330 [inline]
 gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1427
 evict+0x504/0x9c0 fs/inode.c:810
 d_delete_notify include/linux/fsnotify.h:402 [inline]
 vfs_rmdir+0x3ec/0x520 fs/namei.c:4474
 do_rmdir+0x25f/0x550 fs/namei.c:4516
 __do_sys_unlinkat fs/namei.c:4690 [inline]
 __se_sys_unlinkat fs/namei.c:4684 [inline]
 __x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:4684
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f28ad38e147
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007ffd493289c8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f28ad38e147
RDX: 0000000000000200 RSI: 00007ffd49329b70 RDI: 00000000ffffff9c
RBP: 00007f28ad411bdd R08: 000055555e7d166b R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffd49329b70
R13: 00007f28ad411bdd R14: 00000000000efb1f R15: 00007ffd4932bd30
 </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 1d b9 29 fe 48 8b 44 24 10 48 8b 38 e8 60 74 31 fd 90 <0f> 0b e8 88 ab c6 fd 48 8b 7c 24 10 e8 4e 74 31 fd 90 0f 0b 66 66
RSP: 0018:ffffc90003abf8f0 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100a457fb2 RCX: fa0353b575a79900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffff8fa07237 R09: 1ffffffff1f40e46
R10: dffffc0000000000 R11: fffffbfff1f40e47 R12: ffff8880522bfd20
R13: ffff8880522bfd90 R14: ffff8880522bfdb0 R15: 0000000000000000
FS:  000055555e7ae500(0000) GS:ffff888125c79000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c25586c CR3: 000000003bc4a000 CR4: 0000000000350ef0