gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
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 PTI
CPU: 1 UID: 0 PID: 9487 Comm: syz.8.736 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:706
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 2d 28 22 fe 48 8b 44 24 10 48 8b 38 e8 90 46 24 fd 90 <0f> 0b e8 98 7f bb fd 48 8b 7c 24 10 e8 7e 46 24 fd 90 0f 0b 66 66
RSP: 0000:ffffc9000b97f910 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100b884e0e RCX: 86becf16a232b400
RDX: ffffc90013069000 RSI: 000000000000250d RDI: 000000000000250e
RBP: ffffffffffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa948 R12: ffff88805c427000
R13: ffff88805c427070 R14: ffff88805c427090 R15: 0000000000000000
FS:  00007f10309e36c0(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7ad1ff000 CR3: 00000000787ac000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 gfs2_quota_change+0x391/0x800 fs/gfs2/quota.c:1305
 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+0x41d/0x5d0 fs/namei.c:5509
 __do_sys_unlinkat fs/namei.c:5535 [inline]
 __se_sys_unlinkat fs/namei.c:5528 [inline]
 __x64_sys_unlinkat+0xd3/0xf0 fs/namei.c:5528
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f102fb8f749
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:00007f10309e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007f102fde6180 RCX: 00007f102fb8f749
RDX: 0000000000000000 RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007f102fc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f102fde6218 R14: 00007f102fde6180 R15: 00007ffeea6a5b68
 </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:706
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 2d 28 22 fe 48 8b 44 24 10 48 8b 38 e8 90 46 24 fd 90 <0f> 0b e8 98 7f bb fd 48 8b 7c 24 10 e8 7e 46 24 fd 90 0f 0b 66 66
RSP: 0000:ffffc9000b97f910 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100b884e0e RCX: 86becf16a232b400
RDX: ffffc90013069000 RSI: 000000000000250d RDI: 000000000000250e
RBP: ffffffffffffffff R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa948 R12: ffff88805c427000
R13: ffff88805c427070 R14: ffff88805c427090 R15: 0000000000000000
FS:  00007f10309e36c0(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7ad1ff000 CR3: 00000000787ac000 CR4: 00000000003526f0