------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4598 Comm: syz.0.45 Not tainted 5.15.178-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 6c c8 33 fe 0f 0b e8 65 c8 33 fe 0f 0b e8 5e c8 33 fe 0f 0b e8 57 c8 33 fe 0f 0b e8 10 92 f2 06 e8 4b c8 33 fe <0f> 0b e8 44 c8 33 fe 0f 0b 65 8b 1d 03 58 b5 7c bf 07 00 00 00 89
RSP: 0000:ffffc90005206dc0 EFLAGS: 00010283
RAX: ffffffff834cbd45 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003bc3000 RSI: 0000000000027e2b RDI: 0000000000027e2c
RBP: ffffc90005207070 R08: ffffffff834ca7c3 R09: ffffc90005207100
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88805f4f5b08 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007ff2a8e136c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1b0981fe4 CR3: 000000007f025000 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: 0033:0x7ff2aafaa169
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:00007ff2a8e13038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff2ab1c2fa0 RCX: 00007ff2aafaa169
RDX: 000000000000275a RSI: 0000400000000080 RDI: ffffffffffffff9c
RBP: 00007ff2ab02b2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff2ab1c2fa0 R15: 00007ffe3491c978
 </TASK>
Modules linked in:
---[ end trace b6c9447de652396d ]---
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 6c c8 33 fe 0f 0b e8 65 c8 33 fe 0f 0b e8 5e c8 33 fe 0f 0b e8 57 c8 33 fe 0f 0b e8 10 92 f2 06 e8 4b c8 33 fe <0f> 0b e8 44 c8 33 fe 0f 0b 65 8b 1d 03 58 b5 7c bf 07 00 00 00 89
RSP: 0000:ffffc90005206dc0 EFLAGS: 00010283
RAX: ffffffff834cbd45 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90003bc3000 RSI: 0000000000027e2b RDI: 0000000000027e2c
RBP: ffffc90005207070 R08: ffffffff834ca7c3 R09: ffffc90005207100
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88805f4f5b08 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007ff2a8e136c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f96d1160378 CR3: 000000007f025000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400