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kernel BUG at fs/ocfs2/buffer_head_io.c:45!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6742 Comm: syz.4.392 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_write_block+0x61c/0x724 fs/ocfs2/buffer_head_io.c:45
lr : ocfs2_write_block+0x61c/0x724 fs/ocfs2/buffer_head_io.c:45
sp : ffff8000217a6be0
x29: ffff8000217a6c80 x28: 1fffe0001f243dd3 x27: dfff800000000000
x26: ffff8000217a6c00 x25: ffff7000042f4d80 x24: ffff80001522d160
x23: 0000000000000001 x22: 0000000000000000 x21: ffff0000f5040000
x20: ffff0000f921ee80 x19: ffff0000e2314130 x18: ffff800011babf60
x17: 1fffe00033ea3f7e x16: ffff8000082ef09c x15: 0000000000000002
x14: 0000000000000001 x13: 1fffe0001ea08020 x12: 0000000000080000
x11: 000000000002038f x10: ffff80002c51c000 x9 : ffff800009d1ed4c
x8 : 0000000000020390 x7 : ffff800009dde8c4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082ef1b0
x2 : ffff0000e2314130 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
 ocfs2_write_block+0x61c/0x724 fs/ocfs2/buffer_head_io.c:45
 ocfs2_update_disk_slot+0x3d0/0x5b0 fs/ocfs2/slot_map.c:197
 ocfs2_find_slot+0x420/0x9e4 fs/ocfs2/slot_map.c:482
 ocfs2_mount_volume+0x168/0x125c fs/ocfs2/super.c:1806
 ocfs2_fill_super+0x2f9c/0x436c fs/ocfs2/super.c:1082
 mount_bdev+0x264/0x358 fs/super.c:1443
 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x228/0x810 fs/namespace.c:3078
 path_mount+0x5bc/0xe80 fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x49c/0x59c fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: b4000897 979e327d 17fffea8 979e327b (d4210000) 
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