------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1387!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5332 Comm: syz.5.155 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x2153/0x22d0 fs/ocfs2/suballoc.c:1927
Code: c3 9d 8a fe e9 66 fb ff ff e8 09 6c 3a fe 0f 0b e8 02 6c 3a fe 0f 0b e8 fb 6b 3a fe 0f 0b e8 f4 6b 3a fe 0f 0b e8 ed 6b 3a fe <0f> 0b e8 e6 6b 3a fe 0f 0b 4d 89 f4 65 44 8b 35 a9 a5 bb 7c 48 c7
RSP: 0018:ffffc90003656ec0 EFLAGS: 00010283
RAX: ffffffff834673e3 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9001c1fe000 RSI: 000000000001f303 RDI: 000000000001f304
RBP: ffffc90003657150 R08: ffffc900036571e0 R09: ffffc900036571e0
R10: fffff520006cae40 R11: 1ffff920006cae3c R12: ffff88806824c400
R13: ffff88801fb7de88 R14: 0000000000000002 R15: dffffc0000000000
FS:  00007f7d7d81d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3f0934 CR3: 0000000065cab000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_claim_new_inode+0x326/0x780 fs/ocfs2/suballoc.c:2210
 ocfs2_mknod_locked+0xfd/0x240 fs/ocfs2/namei.c:635
 ocfs2_mknod+0x1097/0x2350 fs/ocfs2/namei.c:381
 ocfs2_create+0x1b6/0x4a0 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3490 [inline]
 open_last_lookups fs/namei.c:3558 [inline]
 path_openat+0x1187/0x2e70 fs/namei.c:3788
 do_filp_open+0x1c1/0x3c0 fs/namei.c:3818
 do_sys_openat2+0x142/0x490 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7d7c98f749
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:00007f7d7d81d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7d7cbe5fa0 RCX: 00007f7d7c98f749
RDX: 0000000000141042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f7d7ca13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7d7cbe6038 R14: 00007f7d7cbe5fa0 R15: 00007ffd3905f438
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1387 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x2153/0x22d0 fs/ocfs2/suballoc.c:1927
Code: c3 9d 8a fe e9 66 fb ff ff e8 09 6c 3a fe 0f 0b e8 02 6c 3a fe 0f 0b e8 fb 6b 3a fe 0f 0b e8 f4 6b 3a fe 0f 0b e8 ed 6b 3a fe <0f> 0b e8 e6 6b 3a fe 0f 0b 4d 89 f4 65 44 8b 35 a9 a5 bb 7c 48 c7
RSP: 0018:ffffc90003656ec0 EFLAGS: 00010283
RAX: ffffffff834673e3 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9001c1fe000 RSI: 000000000001f303 RDI: 000000000001f304
RBP: ffffc90003657150 R08: ffffc900036571e0 R09: ffffc900036571e0
R10: fffff520006cae40 R11: 1ffff920006cae3c R12: ffff88806824c400
R13: ffff88801fb7de88 R14: 0000000000000002 R15: dffffc0000000000
FS:  00007f7d7d81d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005598cc66c138 CR3: 0000000065cab000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400