ocfs2: Mounting device (7,6) 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: 6638 Comm: syz.6.496 Not tainted 6.1.129-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+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 cf dd 15 fe 0f 0b e8 c8 dd 15 fe 0f 0b e8 c1 dd 15 fe 0f 0b e8 ba dd 15 fe 0f 0b e8 93 28 3c 07 e8 ae dd 15 fe <0f> 0b e8 a7 dd 15 fe 0f 0b 65 44 8b 35 6d 60 8d 7c 48 c7 c0 38 a1
RSP: 0018:ffffc90003566da0 EFLAGS: 00010283
RAX: ffffffff8374b922 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cb9a000 RSI: 0000000000015b3c RDI: 0000000000015b3d
RBP: ffffc90003567050 R08: ffffffff8374a456 R09: ffffc900035670e0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888052a54f88 R14: ffff88807a5b1400 R15: 0000000000000001
FS:  00007f8bcf17a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fceaafa7bac CR3: 0000000041fe6000 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+0x1919/0x2e20 fs/ocfs2/namei.c:381
 ocfs2_create+0x1c0/0x4e0 fs/ocfs2/namei.c:674
 lookup_open fs/namei.c:3482 [inline]
 open_last_lookups fs/namei.c:3550 [inline]
 path_openat+0x12f1/0x2e60 fs/namei.c:3780
 do_filp_open+0x230/0x480 fs/namei.c:3810
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8bce38d169
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:00007f8bcf17a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8bce5a5fa0 RCX: 00007f8bce38d169
RDX: 000000000000275a RSI: 0000400000000080 RDI: ffffffffffffff9c
RBP: 00007f8bce40e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8bce5a5fa0 R15: 00007ffdb8e1d7f8
 </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+0x23c2/0x2560 fs/ocfs2/suballoc.c:1927
Code: 85 e9 ff ff e8 cf dd 15 fe 0f 0b e8 c8 dd 15 fe 0f 0b e8 c1 dd 15 fe 0f 0b e8 ba dd 15 fe 0f 0b e8 93 28 3c 07 e8 ae dd 15 fe <0f> 0b e8 a7 dd 15 fe 0f 0b 65 44 8b 35 6d 60 8d 7c 48 c7 c0 38 a1
RSP: 0018:ffffc90003566da0 EFLAGS: 00010283
RAX: ffffffff8374b922 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cb9a000 RSI: 0000000000015b3c RDI: 0000000000015b3d
RBP: ffffc90003567050 R08: ffffffff8374a456 R09: ffffc900035670e0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888052a54f88 R14: ffff88807a5b1400 R15: 0000000000000001
FS:  00007f8bcf17a6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d21eff8 CR3: 0000000041fe6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400