ocfs2: Mounting device (7,4) on (node local, slot 0) with writeback data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4315 Comm: syz.4.13 Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x2355/0x24b0 fs/ocfs2/suballoc.c:1927
Code: 86 fa ff ff e8 ac c8 33 fe 0f 0b e8 a5 c8 33 fe 0f 0b e8 9e c8 33 fe 0f 0b e8 97 c8 33 fe 0f 0b e8 50 82 f2 06 e8 8b c8 33 fe <0f> 0b e8 84 c8 33 fe 0f 0b 65 8b 1d 43 58 b5 7c bf 07 00 00 00 89
RSP: 0018:ffffc900031fedc0 EFLAGS: 00010283
RAX: ffffffff834cbd05 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d821000 RSI: 00000000000212fc RDI: 00000000000212fd
RBP: ffffc900031ff070 R08: ffffffff834ca783 R09: ffffc900031ff100
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888025607308 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007f415f47e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea1bfeee8 CR3: 00000000612f4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_claim_new_inode+0x32b/0x850 fs/ocfs2/suballoc.c:2210
 ocfs2_mknod_locked+0x176/0x3a0 fs/ocfs2/namei.c:635
 ocfs2_mknod+0x187f/0x2cd0 fs/ocfs2/namei.c:381
 ocfs2_create+0x194/0x430 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x130a/0x2f20 fs/namei.c:3739
 do_filp_open+0x21c/0x460 fs/namei.c:3769
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f4161614da9
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:00007f415f47e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f416182dfa0 RCX: 00007f4161614da9
RDX: 0000000000141842 RSI: 0000000020000200 RDI: ffffffffffffff9c
RBP: 00007f41616962a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f416182dfa0 R15: 00007ffe36365c38
 </TASK>
Modules linked in:
---[ end trace 5a3026926132067b ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x2355/0x24b0 fs/ocfs2/suballoc.c:1927
Code: 86 fa ff ff e8 ac c8 33 fe 0f 0b e8 a5 c8 33 fe 0f 0b e8 9e c8 33 fe 0f 0b e8 97 c8 33 fe 0f 0b e8 50 82 f2 06 e8 8b c8 33 fe <0f> 0b e8 84 c8 33 fe 0f 0b 65 8b 1d 43 58 b5 7c bf 07 00 00 00 89
RSP: 0018:ffffc900031fedc0 EFLAGS: 00010283
RAX: ffffffff834cbd05 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d821000 RSI: 00000000000212fc RDI: 00000000000212fd
RBP: ffffc900031ff070 R08: ffffffff834ca783 R09: ffffc900031ff100
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888025607308 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007f415f47e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbfe0439d58 CR3: 00000000612f4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400