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kernel BUG at fs/ocfs2/uptodate.c:509!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6737 Comm: syz.2.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509
lr : ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509
sp : ffff8000a2676820
x29: ffff8000a2676820 x28: ffff7000144ced30 x27: ffff0000e325b200
x26: 0000000000000000 x25: ffff0000fcd48830 x24: ffff0000fcd48878
x23: ffff0000dd5271d0 x22: ffff0000c1597488 x21: 0000000000000001
x20: ffff0000dd5271d0 x19: ffff0000fcd48830 x18: 00000000ffffffff
x17: ffff800093335000 x16: ffff800082defcc0 x15: 0000000000000001
x14: 1fffe0001f9a90e4 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001f9a90e5 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c5b30000 x7 : ffff80008217e634 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800080538428
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 ocfs2_set_new_buffer_uptodate+0x14c/0x188 fs/ocfs2/uptodate.c:509 (P)
 ocfs2_extend_dir+0xd58/0x3964 fs/ocfs2/dir.c:3309
 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4232 [inline]
 ocfs2_prepare_dir_for_insert+0x33ec/0x4664 fs/ocfs2/dir.c:4288
 ocfs2_mknod+0x6ec/0x1cf0 fs/ocfs2/namei.c:297
 ocfs2_mkdir+0x190/0x474 fs/ocfs2/namei.c:659
 vfs_mkdir+0x284/0x424 fs/namei.c:4453
 do_mkdirat+0x1f8/0x4c8 fs/namei.c:4486
 __do_sys_mkdirat fs/namei.c:4503 [inline]
 __se_sys_mkdirat fs/namei.c:4501 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4501
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: a8c47bfd d50323bf d65f03c0 9793c6c6 (d4210000) 
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