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kernel BUG at fs/ocfs2/suballoc.c:800!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4876 Comm: syz.2.98 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ocfs2_reserve_suballoc_bits+0x3258/0x3c80 fs/ocfs2/suballoc.c:800
lr : ocfs2_reserve_suballoc_bits+0x3258/0x3c80 fs/ocfs2/suballoc.c:800
sp : ffff8000212d7000
x29: ffff8000212d7480 x28: ffff8000212d7140 x27: dfff800000000000
x26: ffff0000cd541800 x25: 0000000000000003 x24: 0000000000000000
x23: ffff0000f35fec00 x22: 0000000000000001 x21: 0000000000000000
x20: 00000000ffffffff x19: ffff70000425ae28 x18: ffff800011b9bf60
x17: ffff80001835a000 x16: ffff8000082eef80 x15: ffff800017e3b000
x14: 0000000000000001 x13: 1ffff0000425ad48 x12: 0000000000080000
x11: 00000000000094f9 x10: ffff80002716b000 x9 : ffff800009de5e14
x8 : 00000000000094fa x7 : ffff800009d7729c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800011b0e224
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 ocfs2_reserve_suballoc_bits+0x3258/0x3c80 fs/ocfs2/suballoc.c:800
 ocfs2_reserve_new_inode+0x3c0/0xb48 fs/ocfs2/suballoc.c:1068
 ocfs2_mknod+0x79c/0x2110 fs/ocfs2/namei.c:303
 ocfs2_mkdir+0x19c/0x4f8 fs/ocfs2/namei.c:657
 vfs_mkdir+0x314/0x4d4 fs/namei.c:4114
 do_mkdirat+0x1b8/0x3ec fs/namei.c:4139
 __do_sys_mkdirat fs/namei.c:4154 [inline]
 __se_sys_mkdirat fs/namei.c:4152 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4152
 __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: 54ff11eb 97ac05f4 17fff88d 979b15e2 (d4210000) 
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