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kernel BUG at fs/ocfs2/buffer_head_io.c:45!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7046 Comm: syz.4.72 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_write_block+0x5d0/0x6c0 fs/ocfs2/buffer_head_io.c:45
lr : ocfs2_write_block+0x5d0/0x6c0 fs/ocfs2/buffer_head_io.c:45
sp : ffff8000a04b6c20
x29: ffff8000a04b6cc0 x28: 1fffe000182b0dd3 x27: dfff800000000000
x26: ffff8000a04b6c40 x25: ffff700014096d88 x24: ffff80008f86e7e8
x23: 0000000000000001 x22: 0000000000000000 x21: ffff0000c902c000
x20: ffff0000c1586e80 x19: ffff0000f8610830 x18: 00000000ffffffff
x17: ffff800093598000 x16: ffff800082e5c71c x15: 0000000000000001
x14: 1fffe00019205820 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000002b8d6 x9 : ffff8000a9577000
x8 : 000000000002b8d7 x7 : ffff8000822300c8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008054490c
x2 : ffff0000f8610830 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
 ocfs2_write_block+0x5d0/0x6c0 fs/ocfs2/buffer_head_io.c:45 (P)
 ocfs2_update_disk_slot+0x4f0/0x780 fs/ocfs2/slot_map.c:197
 ocfs2_find_slot+0x580/0xb18 fs/ocfs2/slot_map.c:482
 ocfs2_mount_volume fs/ocfs2/super.c:1749 [inline]
 ocfs2_fill_super+0x2f20/0x532c fs/ocfs2/super.c:1083
 get_tree_bdev_flags+0x360/0x414 fs/super.c:1691
 get_tree_bdev+0x2c/0x3c fs/super.c:1714
 ocfs2_get_tree+0x28/0x38 fs/ocfs2/super.c:1184
 vfs_get_tree+0x90/0x28c fs/super.c:1751
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x284/0x944 fs/namespace.c:3712
 path_mount+0x5b4/0xdfc fs/namespace.c:4022
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount fs/namespace.c:4201 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4201
 __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/0x26c 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: b40007d7 97975d43 17fffebc 97975d41 (d4210000) 
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