------------[ cut here ]------------ WARNING: CPU: 0 PID: 3609 at fs/inode.c:388 inc_nlink+0x144/0x160 fs/inode.c:388 Modules linked in: CPU: 0 PID: 3609 Comm: syz-executor266 Not tainted 5.18.0-syzkaller-11817-g8171acb8bc9b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:388 Code: ff 4c 89 e7 e8 ad c4 ea ff e9 42 ff ff ff 4c 89 e7 e8 30 c4 ea ff e9 fc fe ff ff 4c 89 e7 e8 23 c4 ea ff eb d4 e8 fc 03 9e ff <0f> 0b e9 6e ff ff ff e8 20 c4 ea ff e9 44 ff ff ff e8 16 c4 ea ff RSP: 0018:ffffc90002fafcc0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801ea18000 RCX: 0000000000000000 RDX: ffff88807d74bb00 RSI: ffffffff81dc8054 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: ffff88801ea18048 R13: ffff88801e9782f0 R14: ffff88801ea185d8 R15: ffff888011b1ca00 FS: 00005555567a53c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005deca0 CR3: 0000000071104000 CR4: 0000000000350ef0 Call Trace: Call Trace: v9fs_vfs_mkdir_dotl+0x478/0x770 fs/9p/vfs_inode_dotl.c:454 vfs_mkdir+0x1c3/0x3b0 fs/namei.c:3982 do_mkdirat+0x285/0x300 fs/namei.c:4008 __do_sys_mkdir fs/namei.c:4028 [inline] __se_sys_mkdir fs/namei.c:4026 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4026 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f27b4911819 Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffbb343868 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007fffbb343878 RCX: 00007f27b4911819 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00007fffbb343870 R08: 00007f27b48cfae0 R09: 00007f27b48cfae0 R10: 0000000020000340 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000