JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1726!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5940 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:ocfs2_block_group_search+0x367/0x4c0 fs/ocfs2/suballoc.c:1726
Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c c5 fe ff ff 48 89 df e8 5c ac 41 fe e9 b8 fe ff ff e8 c2 87 c9 fd 90 0f 0b e8 ba 87 c9 fd 90 <0f> 0b 65 44 8b 3d 07 50 bf 10 bf 07 00 00 00 44 89 fe e8 a2 8c c9
RSP: 0018:ffffc90002056bd8 EFLAGS: 00010293
RAX: ffffffff83ff9026 RBX: 000000000000004a RCX: ffff888035ac0000
RDX: 0000000000000000 RSI: 000000000000004a RDI: 000000000000004a
RBP: 0000000000000001 R08: 00000000ffffffff R09: ffffc900020571c0
R10: dffffc0000000000 R11: ffffffff83ff8cc0 R12: ffff88804623bd20
R13: ffff88801313d400 R14: ffff888023ee6000 R15: 000000000000004a
FS:  00007f87320736c0(0000) GS:ffff88808ac32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b77d96b008 CR3: 000000000c0a4000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_search_chain+0x5d1/0x1e50 fs/ocfs2/suballoc.c:1953
 ocfs2_claim_suballoc_bits+0x901/0x1f40 fs/ocfs2/suballoc.c:2135
 ocfs2_claim_new_inode+0x37b/0x820 fs/ocfs2/suballoc.c:2433
 ocfs2_mknod_locked+0x10e/0x290 fs/ocfs2/namei.c:640
 ocfs2_mknod+0x10ef/0x21a0 fs/ocfs2/namei.c:385
 ocfs2_create+0x195/0x460 fs/ocfs2/namei.c:678
 lookup_open+0xedc/0x1970 fs/namei.c:4569
 open_last_lookups fs/namei.c:4768 [inline]
 path_openat+0x70c/0x20f0 fs/namei.c:5007
 do_file_open+0x23e/0x4a0 fs/namei.c:5039
 do_sys_openat2+0x115/0x200 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_openat fs/open.c:1464 [inline]
 __se_sys_openat fs/open.c:1459 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f873119af39
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8732073028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8731405fa0 RCX: 00007f873119af39
RDX: 000000000000275a RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f873122fee0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8731406038 R14: 00007f8731405fa0 R15: 00007ffda9f08798
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_block_group_search+0x367/0x4c0 fs/ocfs2/suballoc.c:1726
Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c c5 fe ff ff 48 89 df e8 5c ac 41 fe e9 b8 fe ff ff e8 c2 87 c9 fd 90 0f 0b e8 ba 87 c9 fd 90 <0f> 0b 65 44 8b 3d 07 50 bf 10 bf 07 00 00 00 44 89 fe e8 a2 8c c9
RSP: 0018:ffffc90002056bd8 EFLAGS: 00010293
RAX: ffffffff83ff9026 RBX: 000000000000004a RCX: ffff888035ac0000
RDX: 0000000000000000 RSI: 000000000000004a RDI: 000000000000004a
RBP: 0000000000000001 R08: 00000000ffffffff R09: ffffc900020571c0
R10: dffffc0000000000 R11: ffffffff83ff8cc0 R12: ffff88804623bd20
R13: ffff88801313d400 R14: ffff888023ee6000 R15: 000000000000004a
FS:  00007f87320736c0(0000) GS:ffff88808ac32000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fee350cdfe0 CR3: 000000000c0a4000 CR4: 0000000000352ef0