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gfs2: fsid=syz:syz.0: fatal assertion failed
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kernel BUG at fs/gfs2/quota.c:320!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 17866 Comm: syz.5.3868 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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 2d 60 2d fe 48 8b 44 24 10 48 8b 38 e8 a0 69 35 fd 90 <0f> 0b e8 18 4e cb fd 48 8b 7c 24 10 e8 8e 69 35 fd 90 0f 0b 66 66
RSP: 0018:ffffc90003e1f870 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100b0ee80e RCX: edba071c8e910500
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffc90003e1f587 R09: 1ffff920007c3eb0
R10: dffffc0000000000 R11: fffff520007c3eb1 R12: ffff888058774000
R13: ffff888058774070 R14: ffff888058774090 R15: 0000000000000000
FS:  0000555581ddc500(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111eff8 CR3: 0000000055a66000 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:497
 evict_unlinked_inode fs/gfs2/super.c:1332 [inline]
 gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1429
 evict+0x504/0x9c0 fs/inode.c:810
 __dentry_kill+0x209/0x660 fs/dcache.c:669
 dput+0x19f/0x2b0 fs/dcache.c:911
 __fput+0x68e/0xa70 fs/file_table.c:473
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fba4e78e9a9
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:00007ffd25930668 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000e9fc5 RCX: 00007fba4e78e9a9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fba4e9b7ba0 R08: 0000000000000001 R09: 0000000d2593095f
R10: 00007fba4e600000 R11: 0000000000000246 R12: 00007fba4e9b5fac
R13: 00007fba4e9b5fa0 R14: ffffffffffffffff R15: 00007ffd25930780
 </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 2d 60 2d fe 48 8b 44 24 10 48 8b 38 e8 a0 69 35 fd 90 <0f> 0b e8 18 4e cb fd 48 8b 7c 24 10 e8 8e 69 35 fd 90 0f 0b 66 66
RSP: 0018:ffffc90003e1f870 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff1100b0ee80e RCX: edba071c8e910500
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffc90003e1f587 R09: 1ffff920007c3eb0
R10: dffffc0000000000 R11: fffff520007c3eb1 R12: ffff888058774000
R13: ffff888058774070 R14: ffff888058774090 R15: 0000000000000000
FS:  0000555581ddc500(0000) GS:ffff888125d23000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3111eff8 CR3: 0000000055a66000 CR4: 0000000000350ef0