(syz.0.17,6063,1):ocfs2_prepare_dir_for_insert:4336 ERROR: status = -2
(syz.0.17,6063,1):ocfs2_mknod:302 ERROR: status = -2
(syz.0.17,6063,1):ocfs2_mknod:506 ERROR: status = -2
(syz.0.17,6063,1):ocfs2_create:679 ERROR: status = -2
------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6063 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
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 d3 81 6b fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc cc cc e8 e8 19 07 fe 90 <0f> 0b e8 e0 19 07 fe 90 0f 0b e8 d8 19 07 fe 90 0f 0b e8 d0 19 07
RSP: 0018:ffffc900031f7908 EFLAGS: 00010293
RAX: ffffffff83bc1a88 RBX: ffff88805a3389c0 RCX: ffff888029fcbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e8fbef R12: 1ffff110083e3fd8
R13: 1000000000000000 R14: ffff88804319d000 R15: 0000000000000000
FS:  0000555558595500(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32263fff CR3: 00000000284a2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ocfs2_group_add+0x33f/0x19f0 fs/ocfs2/resize.c:507
 ocfs2_ioctl+0x623/0x7f0 fs/ocfs2/ioctl.c:887
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e4dd8aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd73660eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9e4e005fa0 RCX: 00007f9e4dd8aeb9
RDX: 0000200000000080 RSI: 0000000040186f02 RDI: 0000000000000004
RBP: 00007f9e4ddf8c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9e4e005fac R14: 00007f9e4e005fa0 R15: 00007f9e4e005fa0
 </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 d3 81 6b fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc cc cc e8 e8 19 07 fe 90 <0f> 0b e8 e0 19 07 fe 90 0f 0b e8 d8 19 07 fe 90 0f 0b e8 d0 19 07
RSP: 0018:ffffc900031f7908 EFLAGS: 00010293
RAX: ffffffff83bc1a88 RBX: ffff88805a3389c0 RCX: ffff888029fcbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e8fbef R12: 1ffff110083e3fd8
R13: 1000000000000000 R14: ffff88804319d000 R15: 0000000000000000
FS:  0000555558595500(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32263fff CR3: 00000000284a2000 CR4: 00000000003526f0