gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/util.c:340!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5131 Comm: gfs2_logd/syz:s Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:gfs2_withdraw+0x1459/0x1460 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 10 e8 e2 c0 12 fe e9 42 fd ff ff e8 e8 78 ab fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002dcf9e0 EFLAGS: 00010293
RAX: ffffffff83e813c8 RBX: 0000000000000004 RCX: ffff88801fd78000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90002dcfb70 R08: ffffffff83e8021e R09: 1ffff920005b9edc
R10: dffffc0000000000 R11: fffff520005b9edd R12: 1ffff11008141815
R13: 1ffff920005b9f50 R14: dffffc0000000000 R15: ffff888040a0c340
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ee8e30000 CR3: 0000000038634000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_logd+0xef9/0xf80 fs/gfs2/log.c:1353
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_withdraw+0x1459/0x1460 fs/gfs2/util.c:340
Code: ff ff 48 8b 4c 24 10 80 e1 07 80 c1 03 38 c1 0f 8c 51 fd ff ff 48 8b 7c 24 10 e8 e2 c0 12 fe e9 42 fd ff ff e8 e8 78 ab fd 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90002dcf9e0 EFLAGS: 00010293
RAX: ffffffff83e813c8 RBX: 0000000000000004 RCX: ffff88801fd78000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffffc90002dcfb70 R08: ffffffff83e8021e R09: 1ffff920005b9edc
R10: dffffc0000000000 R11: fffff520005b9edd R12: 1ffff11008141815
R13: 1ffff920005b9f50 R14: dffffc0000000000 R15: ffff888040a0c340
FS:  0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2ee9717000 CR3: 000000003ce8e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400