syzbot

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kernel BUG at fs/ocfs2/suballoc.c:2484!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4434 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0xe24/0x1084 fs/ocfs2/suballoc.c:2484
lr : _ocfs2_free_suballoc_bits+0xe24/0x1084 fs/ocfs2/suballoc.c:2484
sp : ffff800021287100
x29: ffff800021287260 x28: 0000000000000001 x27: dfff800000000000
x26: ffff0000c066bbb0 x25: 0000000000000000 x24: ffff0000e2ef0e80
x23: ffff700004250e30 x22: ffff0000e53c1c80 x21: 0000000000000002
x20: ffff0000e53c24f8 x19: 0000000000000000 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082e7b10 x15: 0000000000000000
x14: 000000000000000d x13: 1ffff00002a180b1 x12: 0000000000ff0100
x11: ff00800009dbc398 x10: 0000000000000000 x9 : ffff800009dbc398
x8 : ffff0000c466d340 x7 : ffff800009d46f10 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000e2ef0e80 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
 _ocfs2_free_suballoc_bits+0xe24/0x1084 fs/ocfs2/suballoc.c:2484
 ocfs2_free_suballoc_bits fs/ocfs2/suballoc.c:2521 [inline]
 ocfs2_free_dinode+0xb0/0xe8 fs/ocfs2/suballoc.c:2536
 ocfs2_remove_inode fs/ocfs2/inode.c:696 [inline]
 ocfs2_wipe_inode fs/ocfs2/inode.c:818 [inline]
 ocfs2_delete_inode fs/ocfs2/inode.c:1079 [inline]
 ocfs2_evict_inode+0x19e4/0x3d20 fs/ocfs2/inode.c:1216
 evict+0x3c8/0x810 fs/inode.c:705
 iput_final fs/inode.c:1834 [inline]
 iput+0x764/0x7f4 fs/inode.c:1860
 d_delete_notify include/linux/fsnotify.h:267 [inline]
 vfs_rmdir+0x32c/0x438 fs/namei.c:4204
 do_rmdir+0x238/0x50c fs/namei.c:4252
 __do_sys_unlinkat fs/namei.c:4432 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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: 979b95ec b9402ffc 17fffcda 979b95e9 (d4210000) 
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