fix stack-based oob memory clobber in resolver's result sorting

[musl] / src / network / socket.c

diff --git a/src/network/socket.c b/src/network/socket.c
index 51be30e..a2e92d9 100644 (file)
--- a/src/network/socket.c
+++ b/src/network/socket.c
@@ -13,9 +13,9 @@ int socket(int domain, int type, int protocol)
                        protocol, 0, 0, 0);
                if (s < 0) return s;
                if (type & SOCK_CLOEXEC)
-                       fcntl(s, F_SETFD, FD_CLOEXEC);
+                       __syscall(SYS_fcntl, s, F_SETFD, FD_CLOEXEC);
                if (type & SOCK_NONBLOCK)
-                       fcntl(s, F_SETFL, fcntl(s, F_GETFL) | O_NONBLOCK);
+                       __syscall(SYS_fcntl, s, F_SETFL, O_NONBLOCK);
        }
        return s;
 }