ocfs2: Mounting device (7,8) on (node local, slot 0) with writeback data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 10101 Comm: syz.8.731 Not tainted 6.17.0-rc2-next-20250818-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509
Code: 80 3c 20 00 74 08 4c 89 f7 e8 93 df 74 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 d8 24 11 fe 90 <0f> 0b e8 d0 24 11 fe 90 0f 0b e8 c8 24 11 fe 90 0f 0b e8 c0 24 11
RSP: 0018:ffffc9000da06608 EFLAGS: 00010283
RAX: ffffffff83ae81f8 RBX: ffff88805a359670 RCX: 0000000000080000
RDX: ffffc9000caa9000 RSI: 00000000000020e4 RDI: 00000000000020e5
RBP: 0000000000000001 R08: ffffffff8fc3ca37 R09: 1ffffffff1f87946
R10: dffffc0000000000 R11: fffffbfff1f87947 R12: 1ffff92001b40cf4
R13: dffffc0000000000 R14: ffff888052589ae0 R15: ffff888052589ae0
FS:  00007fb4062376c0(0000) GS:ffff888125a0b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f507ff8 CR3: 000000007d1fe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ocfs2_extend_dir+0x1172/0x4870 fs/ocfs2/dir.c:3309
 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4232 [inline]
 ocfs2_prepare_dir_for_insert+0x3d7b/0x5450 fs/ocfs2/dir.c:4288
 ocfs2_rename+0x190a/0x3940 fs/ocfs2/namei.c:1481
 vfs_rename+0xbd7/0xf00 fs/namei.c:5129
 do_renameat2+0x6ce/0xa80 fs/namei.c:5278
 __do_sys_rename fs/namei.c:5325 [inline]
 __se_sys_rename fs/namei.c:5323 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5323
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb40538ebe9
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:00007fb406237038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fb4055b5fa0 RCX: 00007fb40538ebe9
RDX: 0000000000000000 RSI: 0000200000000440 RDI: 0000200000000340
RBP: 00007fb405411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb4055b6038 R14: 00007fb4055b5fa0 R15: 00007ffeb95fea18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509
Code: 80 3c 20 00 74 08 4c 89 f7 e8 93 df 74 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 d8 24 11 fe 90 <0f> 0b e8 d0 24 11 fe 90 0f 0b e8 c8 24 11 fe 90 0f 0b e8 c0 24 11
RSP: 0018:ffffc9000da06608 EFLAGS: 00010283
RAX: ffffffff83ae81f8 RBX: ffff88805a359670 RCX: 0000000000080000
RDX: ffffc9000caa9000 RSI: 00000000000020e4 RDI: 00000000000020e5
RBP: 0000000000000001 R08: ffffffff8fc3ca37 R09: 1ffffffff1f87946
R10: dffffc0000000000 R11: fffffbfff1f87947 R12: 1ffff92001b40cf4
R13: dffffc0000000000 R14: ffff888052589ae0 R15: ffff888052589ae0
FS:  00007fb4062376c0(0000) GS:ffff888125b0b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db22ff8 CR3: 000000007d1fe000 CR4: 00000000003526f0