ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1443!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6064 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996
Code: c2 fb ff ff e8 a5 63 18 fe 90 0f 0b e8 9d 63 18 fe 90 0f 0b e8 95 63 18 fe 90 0f 0b e8 8d 63 18 fe 90 0f 0b e8 85 63 18 fe 90 <0f> 0b e8 7d 63 18 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc90002f1f2a0 EFLAGS: 00010293
RAX: ffffffff83a74b5b RBX: 0000000000000000 RCX: ffff88810b719cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002f1f530 R08: ffffc90002f1f5c0 R09: 0000000000000000
R10: ffffc90002f1f5c0 R11: fffff520005e3ebd R12: ffff88812330a508
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110246614a1
FS:  00007fdc76f3e6c0(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc6b049d88 CR3: 00000001075a4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_claim_new_inode+0x332/0x7a0 fs/ocfs2/suballoc.c:2292
 ocfs2_mknod_locked+0x100/0x250 fs/ocfs2/namei.c:637
 ocfs2_mknod+0x10c7/0x2050 fs/ocfs2/namei.c:384
 ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:659
 vfs_mkdir+0x306/0x510 fs/namei.c:4366
 do_mkdirat+0x247/0x590 fs/namei.c:4399
 __do_sys_mkdirat fs/namei.c:4416 [inline]
 __se_sys_mkdirat fs/namei.c:4414 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4414
 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: 0033:0x7fdc7618d417
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 02 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:00007fdc76f3de68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fdc76f3def0 RCX: 00007fdc7618d417
RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fdc76f3deb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996
Code: c2 fb ff ff e8 a5 63 18 fe 90 0f 0b e8 9d 63 18 fe 90 0f 0b e8 95 63 18 fe 90 0f 0b e8 8d 63 18 fe 90 0f 0b e8 85 63 18 fe 90 <0f> 0b e8 7d 63 18 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc90002f1f2a0 EFLAGS: 00010293

RAX: ffffffff83a74b5b RBX: 0000000000000000 RCX: ffff88810b719cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002f1f530 R08: ffffc90002f1f5c0 R09: 0000000000000000
R10: ffffc90002f1f5c0 R11: fffff520005e3ebd R12: ffff88812330a508
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff110246614a1
FS:  00007fdc76f3e6c0(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557d0b9c10b8 CR3: 00000001075a4000 CR4: 00000000000006f0
