F2FS-fs (loop4): invalid namelen(0), ino:8, run fsck to fix.
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WARNING: CPU: 0 PID: 6455 at fs/inode.c:407 drop_nlink+0xe4/0x138 fs/inode.c:407
Modules linked in:
CPU: 0 UID: 0 PID: 6455 Comm: syz-executor Not tainted 6.14.0-rc6-syzkaller-ga5618886fdab #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 : drop_nlink+0xe4/0x138 fs/inode.c:407
lr : drop_nlink+0xe4/0x138 fs/inode.c:407
sp : ffff8000a4087920
x29: ffff8000a4087920 x28: 0000000200000000 x27: dfff800000000000
x26: dfff800000000000 x25: 0000000000000000 x24: 1fffe0001e23b000
x23: 1fffe0001e23b009 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000f11d8048 x19: ffff0000f11d8000 x18: ffff8000a4087480
x17: 000000000002f59f x16: ffff8000832bd8fc x15: 0000000000000001
x14: 1ffff00012efb968 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700012efb969 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000ebdc3d00 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff80008059882c
x2 : 000000000cb05868 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:407 (P)
 f2fs_i_links_write fs/f2fs/f2fs.h:3122 [inline]
 f2fs_drop_nlink+0xd0/0x2ec fs/f2fs/dir.c:845
 f2fs_delete_entry+0xd68/0x117c fs/f2fs/dir.c:909
 f2fs_unlink+0x494/0xad0 fs/f2fs/namei.c:573
 f2fs_rmdir+0x5c/0x7c fs/f2fs/namei.c:738
 vfs_rmdir+0x32c/0x468 fs/namei.c:4396
 do_rmdir+0x2e8/0x730 fs/namei.c:4455
 __do_sys_unlinkat fs/namei.c:4631 [inline]
 __se_sys_unlinkat fs/namei.c:4625 [inline]
 __arm64_sys_unlinkat+0xdc/0xf8 fs/namei.c:4625
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 591614
hardirqs last  enabled at (591613): [<ffff800080592690>] seqcount_lockdep_reader_access+0x80/0x104 include/linux/seqlock.h:74
hardirqs last disabled at (591614): [<ffff80008b7cdc94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (591230): [<ffff8000801283e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (591228): [<ffff8000801283ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---