------------[ cut here ]------------ kernel BUG at fs/ocfs2/buffer_head_io.c:45! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4332 Comm: syz.0.54 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ocfs2_write_block+0x618/0x770 fs/ocfs2/buffer_head_io.c:45 lr : ocfs2_write_block+0x618/0x770 fs/ocfs2/buffer_head_io.c:45 sp : ffff800020046980 x29: ffff800020046a20 x28: 1fffe0001b971a77 x27: ffff8000200469a0 x26: dfff800000000000 x25: ffff700004008d34 x24: ffff800014b5d310 x23: 0000000000000001 x22: 0000000000000000 x21: ffff0000d9464000 x20: ffff0000dcb8d3a0 x19: ffff0000deb44f70 x18: 0000000000000000 x17: 0000000000000002 x16: ffff800011b4c108 x15: 0000000000000012 x14: 1ffff0000296c06c x13: dfff800000000000 x12: 0000000000080000 x11: 0000000000020943 x10: ffff800021b59000 x9 : 0000000000020944 x8 : ffff800009e2a884 x7 : ffff800009efa988 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000830598c x2 : ffff0000deb44f70 x1 : 0000000000000000 x0 : 0000000000000002 Call trace: ocfs2_write_block+0x618/0x770 fs/ocfs2/buffer_head_io.c:45 ocfs2_update_disk_slot+0x3e8/0x5ec fs/ocfs2/slot_map.c:197 ocfs2_find_slot+0x438/0x9e4 fs/ocfs2/slot_map.c:482 ocfs2_mount_volume+0x170/0x150c fs/ocfs2/super.c:1809 ocfs2_fill_super+0x2a30/0x498c fs/ocfs2/super.c:1083 mount_bdev+0x274/0x370 fs/super.c:1400 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1187 legacy_get_tree+0xd4/0x16c fs/fs_context.c:611 vfs_get_tree+0x90/0x274 fs/super.c:1530 do_new_mount+0x278/0x8fc fs/namespace.c:3012 path_mount+0x594/0x101c fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount fs/namespace.c:3540 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3540 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: b4000777 979a66a1 17fffeaa 979a669f (d4210000) ---[ end trace 429bd0a6abd7a59b ]---