------------[ cut here ]------------
kernel BUG at fs/[  227.524246][ T7828] kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 7828 Comm: syz.8.202 Tainted: G        W           syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
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 b3 b9 79 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 78 86 1a fe 90 <0f> 0b e8 70 86 1a fe 90 0f 0b e8 68 86 1a fe 90 0f 0b e8 60 86 1a
RSP: 0018:ffffc9000411eac8 EFLAGS: 00010283
RAX: ffffffff83a3d5c8 RBX: ffff88805d5fabc0 RCX: 0000000000080000
RDX: ffffc90010342000 RSI: 0000000000001788 RDI: 0000000000001789
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a7c7 R12: 1ffff92000823d8c
R13: dffffc0000000000 R14: ffff88803d8a1818 R15: ffff88803d8a1818
FS:  00007f08f58856c0(0000) GS:ffff8881268c4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f08f5884f98 CR3: 000000005af5e000 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_symlink+0xaa4/0x23e0 fs/ocfs2/namei.c:1875
 vfs_symlink+0x143/0x2f0 fs/namei.c:4730
 do_symlinkat+0x1b1/0x3f0 fs/namei.c:4756
 __do_sys_symlink fs/namei.c:4777 [inline]
 __se_sys_symlink fs/namei.c:4775 [inline]
 __x64_sys_symlink+0x7a/0x90 fs/namei.c:4775
 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: 0033:0x7f08f763ebe9
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:00007f08f5885038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007f08f7866090 RCX: 00007f08f763ebe9
RDX: 0000000000000000 RSI: 0000200000000e80 RDI: 0000200000000c00
RBP: 00007f08f76c1e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08f7866128 R14: 00007f08f7866090 R15: 00007ffd393405f8
 </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 b3 b9 79 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 41 ff e3 cc 66 90 e8 78 86 1a fe 90 <0f> 0b e8 70 86 1a fe 90 0f 0b e8 68 86 1a fe 90 0f 0b e8 60 86 1a
RSP: 0018:ffffc9000411eac8 EFLAGS: 00010283
RAX: ffffffff83a3d5c8 RBX: ffff88805d5fabc0 RCX: 0000000000080000
RDX: ffffc90010342000 RSI: 0000000000001788 RDI: 0000000000001789
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a7c7 R12: 1ffff92000823d8c
R13: dffffc0000000000 R14: ffff88803d8a1818 R15: ffff88803d8a1818
FS:  00007f08f58856c0(0000) GS:ffff8881269c4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f65f087aa10 CR3: 000000005af5e000 CR4: 00000000003526f0