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 NOPTI
CPU: 1 UID: 0 PID: 17956 Comm: syz.0.2677 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
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 9c 0e fe 48 8b 44 24 10 48 8b 38 e8 70 b3 09 fd 90 <0f> 0b e8 68 90 a4 fd 48 8b 7c 24 10 e8 5e b3 09 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000e46f728 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff11009ad0e38 RCX: 4c3db29c60314700
RDX: ffffc900052f1000 RSI: 0000000000004f98 RDI: 0000000000004f99
RBP: 0000000000000001 R08: ffffc9000e46f4a7 R09: 1ffff92001c8de94
R10: dffffc0000000000 R11: fffff52001c8de95 R12: ffff88804d687150
R13: ffff88804d6871c0 R14: ffff88804d6871e0 R15: 0000000000000000
FS:  00007f6caa2106c0(0000) GS:ffff888125569000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3500bff8 CR3: 0000000032ba1000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 gfs2_quota_change+0x391/0x800 fs/gfs2/quota.c:1305
 gfs2_alloc_blocks+0x18ca/0x2090 fs/gfs2/rgrp.c:2494
 alloc_dinode+0x252/0x560 fs/gfs2/inode.c:436
 gfs2_create_inode+0xc4a/0x1630 fs/gfs2/inode.c:822
 gfs2_mkdir+0x9f/0xd0 fs/gfs2/inode.c:1352
 vfs_mkdir+0x413/0x630 fs/namei.c:5233
 filename_mkdirat+0x285/0x510 fs/namei.c:5266
 __do_sys_mkdirat fs/namei.c:5287 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5284
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6ca939b507
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6caa20fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f6caa20fee0 RCX: 00007f6ca939b507
RDX: 00000000000001ff RSI: 0000200000002080 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000002080
R13: 00007f6caa20fea0 R14: 0000000000000000 R15: 0000000000000000
 </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 9c 0e fe 48 8b 44 24 10 48 8b 38 e8 70 b3 09 fd 90 <0f> 0b e8 68 90 a4 fd 48 8b 7c 24 10 e8 5e b3 09 fd 90 0f 0b 66 66
RSP: 0018:ffffc9000e46f728 EFLAGS: 00010246
RAX: 000000000000002c RBX: 1ffff11009ad0e38 RCX: 4c3db29c60314700
RDX: ffffc900052f1000 RSI: 0000000000004f98 RDI: 0000000000004f99
RBP: 0000000000000001 R08: ffffc9000e46f4a7 R09: 1ffff92001c8de94
R10: dffffc0000000000 R11: fffff52001c8de95 R12: ffff88804d687150
R13: ffff88804d6871c0 R14: ffff88804d6871e0 R15: 0000000000000000
FS:  00007f6caa2106c0(0000) GS:ffff888125569000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3500bff8 CR3: 0000000032ba1000 CR4: 0000000000350ef0