fusefrontend: allow_other: close race between mkdir and chown

Fixes the same problem as described in 72b975867a3b9bdf53fc2da62e2ba4a328d7e4ab,
except for directories instead of device nodes.

1 files changed, 5 insertions, 0 deletions

diff --git a/internal/syscallcompat/sys_linux.go b/internal/syscallcompat/sys_linux.go
index 4fe44fd..1ea56b5 100644
--- a/internal/syscallcompat/sys_linux.go
+++ b/internal/syscallcompat/sys_linux.go
@@ -109,3 +109,8 @@ func Symlinkat(oldpath string, newdirfd int, newpath string) (err error) {
 	}
 	return
 }
+
+// Mkdirat syscall.
+func Mkdirat(dirfd int, path string, mode uint32) (err error) {
+	return syscall.Mkdirat(dirfd, path, mode)
+}