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kernel BUG at fs/ocfs2/suballoc.c:1897!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4562 Comm: syz.0.16 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_claim_suballoc_bits+0x1c68/0x1e48 fs/ocfs2/suballoc.c:1897
lr : ocfs2_claim_suballoc_bits+0x1c68/0x1e48 fs/ocfs2/suballoc.c:1897
sp : ffff800022597120
x29: ffff800022597340 x28: dfff800000000000 x27: ffff0000f6ea8d50
x26: ffff7000044b2e38 x25: ffff0000f3924708 x24: ffff8000225971c0
x23: ffff0000f3924700 x22: 0000000000000001 x21: 1fffe0001e7248e1
x20: ffff0000fadc0800 x19: 0000000000000001 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff8000082d7db8 x15: 0000000000000002
x14: 0000000000000004 x13: 1ffff000044b2e80 x12: 0000000000080000
x11: 0000000000045fe3 x10: ffff800023609000 x9 : ffff800009debfcc
x8 : 0000000000045fe4 x7 : 0000000000000000 x6 : ffff800022597560
x5 : ffff800022597580 x4 : ffff800022597400 x3 : 0000000000000001
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 ocfs2_claim_suballoc_bits+0x1c68/0x1e48 fs/ocfs2/suballoc.c:1897
 ocfs2_claim_new_inode+0x2ec/0x714 fs/ocfs2/suballoc.c:2220
 ocfs2_mknod_locked+0x100/0x240 fs/ocfs2/namei.c:635
 ocfs2_mknod+0xf34/0x2110 fs/ocfs2/namei.c:381
 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: d4210000 979afd96 d4210000 979afd94 (d4210000) 
---[ end trace 0000000000000000 ]---