loop3: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,3) 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: 1 PID: 9132 Comm: syz.3.1214 Not tainted 6.1.130-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 c5 15 fe 0f 0b e8 c8 c5 15 fe 0f 0b e8 c1 c5 15 fe 0f 0b e8 ba c5 15 fe 0f 0b e8 e3 7d 3c 07 e8 ae c5 15 fe <0f> 0b e8 a7 c5 15 fe 0f 0b 65 44 8b 35 bd 45 8d 7c 48 c7 c0 38 b6
RSP: 0018:ffffc9000e14f220 EFLAGS: 00010283
RAX: ffffffff8374d3d2 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cb5a000 RSI: 000000000003b244 RDI: 000000000003b245
RBP: ffffc9000e14f4d0 R08: ffffffff8374bf06 R09: ffffc9000e14f560
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801d74cf88 R14: ffff888061625400 R15: 0000000000000001
FS:  00007f2f1f1fd6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bd0a00218 CR3: 000000005a9fc000 CR4: 00000000003506e0
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_mkdir+0x1c0/0x4e0 fs/ocfs2/namei.c:657
 vfs_mkdir+0x3b6/0x590 fs/namei.c:4106
 do_mkdirat+0x225/0x360 fs/namei.c:4131
 __do_sys_mkdirat fs/namei.c:4146 [inline]
 __se_sys_mkdirat fs/namei.c:4144 [inline]
 __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4144
 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: 0033:0x7f2f1e38b9d7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007f2f1f1fce68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f2f1f1fcef0 RCX: 00007f2f1e38b9d7
RDX: 00000000000001ff RSI: 0000400000002080 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000400000002080
R13: 00007f2f1f1fceb0 R14: 0000000000000000 R15: 0000000000000000
 </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 c5 15 fe 0f 0b e8 c8 c5 15 fe 0f 0b e8 c1 c5 15 fe 0f 0b e8 ba c5 15 fe 0f 0b e8 e3 7d 3c 07 e8 ae c5 15 fe <0f> 0b e8 a7 c5 15 fe 0f 0b 65 44 8b 35 bd 45 8d 7c 48 c7 c0 38 b6
RSP: 0018:ffffc9000e14f220 EFLAGS: 00010283
RAX: ffffffff8374d3d2 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000cb5a000 RSI: 000000000003b244 RDI: 000000000003b245
RBP: ffffc9000e14f4d0 R08: ffffffff8374bf06 R09: ffffc9000e14f560
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801d74cf88 R14: ffff888061625400 R15: 0000000000000001
FS:  00007f2f1f1fd6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dc43f46708 CR3: 000000005a9fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400