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: 1 PID: 4019 Comm: syz-executor319 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : _ocfs2_free_suballoc_bits+0xe4c/0x10cc fs/ocfs2/suballoc.c:2484
lr : _ocfs2_free_suballoc_bits+0xe4c/0x10cc fs/ocfs2/suballoc.c:2484
sp : ffff80001d1a7040
x29: ffff80001d1a71a0 x28: ffff700003a34e18 x27: ffff0000dbe45910
x26: 0000000000000001 x25: 0000000000000000 x24: dfff800000000000
x23: 0000000000000002 x22: 0000000000000001 x21: 0000000000000000
x20: ffff00018920300a x19: ffff0000d3f90000 x18: ffff80001d1a6740
x17: 1fffe0003683298e x16: ffff800011b5ac80 x15: 000000000000c5e7
x14: 1ffff0000296e06c x13: dfff800000000000 x12: ffff80001d1a6f40
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000dc101b40
x8 : ffff800009f0ff64 x7 : ffff800009e9006c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000dbe45910 x1 : 0000000000000000 x0 : 0000000000000002
Call trace:
 _ocfs2_free_suballoc_bits+0xe4c/0x10cc 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+0x2620/0x45ec fs/ocfs2/inode.c:1216
 evict+0x418/0x894 fs/inode.c:647
 iput_final fs/inode.c:1769 [inline]
 iput+0x744/0x824 fs/inode.c:1795
 d_delete_notify include/linux/fsnotify.h:267 [inline]
 vfs_rmdir+0x2f8/0x3f0 fs/namei.c:4162
 do_rmdir+0x2e8/0x84c fs/namei.c:4210
 __do_sys_unlinkat fs/namei.c:4390 [inline]
 __se_sys_unlinkat fs/namei.c:4384 [inline]
 __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4384
 __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: 9796d4e1 f94013fc 17fffcd2 9796d4de (d4210000) 
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