------------[ cut here ]------------
WARNING: CPU: 0 PID: 6889 at fs/inode.c:417 drop_nlink+0xe4/0x138 fs/inode.c:417
Modules linked in:
CPU: 0 UID: 0 PID: 6889 Comm: syz.4.48 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : drop_nlink+0xe4/0x138 fs/inode.c:417
lr : drop_nlink+0xe4/0x138 fs/inode.c:417
sp : ffff8000a1d87840
x29: ffff8000a1d87840 x28: dfff800000000000 x27: 0000000000000003
x26: ffff0000f61d3a28 x25: 0000000000008000 x24: 0000000000000000
x23: 1fffe0001ec3a74e x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000f61d3a70 x19: ffff0000f61d3a28 x18: 00000000ffffffff
x17: ffff800093325000 x16: ffff800082dee3c0 x15: 0000000000000001
x14: 1ffff00012e743d0 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 00000000000027e2 x9 : ffff8000ac574000
x8 : 00000000000027e3 x7 : ffff800080635dac x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800080635db8
x2 : 0000000013ab6680 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:417 (P)
 nilfs_rename+0x3b0/0x758 fs/nilfs2/namei.c:418
 vfs_rename+0x9c0/0xc94 fs/namei.c:5216
 do_renameat2+0x5ec/0x8a0 fs/namei.c:5364
 __do_sys_renameat2 fs/namei.c:5398 [inline]
 __se_sys_renameat2 fs/namei.c:5395 [inline]
 __arm64_sys_renameat2+0xd8/0xf4 fs/namei.c:5395
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 338352
hardirqs last  enabled at (338351): [<ffff8000806304c0>] seqcount_lockdep_reader_access+0x7c/0xf8 include/linux/seqlock.h:74
hardirqs last disabled at (338352): [<ffff80008adf762c>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412
softirqs last  enabled at (338296): [<ffff8000801f96d0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (338294): [<ffff8000801f969c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---