WARNING: CPU: 1 PID: 12215 at fs/inode.c:389 inc_nlink+0x144/0x160 fs/inode.c:389 Modules linked in: CPU: 1 PID: 12215 Comm: syz-executor.3 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:inc_nlink+0x144/0x160 fs/inode.c:389 Code: ff 4c 89 e7 e8 dd c8 ea ff e9 42 ff ff ff 4c 89 e7 e8 60 c8 ea ff e9 fc fe ff ff 4c 89 e7 e8 53 c8 ea ff eb d4 e8 bc 04 9e ff <0f> 0b e9 6e ff ff ff e8 50 c8 ea ff e9 44 ff ff ff e8 46 c8 ea ff RSP: 0018:ffffc90005dffca0 EFLAGS: 00010216 RAX: 0000000000003d0d RBX: ffff88803b080000 RCX: ffffc9000e0a1000 RDX: 0000000000040000 RSI: ffffffff81de2164 RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000008c07c R12: ffff88803b080048 R13: ffff888057efd318 R14: 1ffff92000bbff9c R15: ffff888020a03800 FS: 00007fa594938700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f423000 CR3: 000000007674d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 00000000000000d8 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: v9fs_vfs_mkdir_dotl+0x5c5/0x900 fs/9p/vfs_inode_dotl.c:444 vfs_mkdir+0x489/0x740 fs/namei.c:4013 do_mkdirat+0x28c/0x310 fs/namei.c:4038 __do_sys_mkdir fs/namei.c:4058 [inline] __se_sys_mkdir fs/namei.c:4056 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4056 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+0x63/0xcd RIP: 0033:0x7fa5938893c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa594938168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007fa59399bf80 RCX: 00007fa5938893c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 00007fa5938e433f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd27384ff R14: 00007fa594938300 R15: 0000000000022000