fix missing SOCK_CLOEXEC in various functions that use sockets internally

[musl] / src / network / if_indextoname.c

diff --git a/src/network/if_indextoname.c b/src/network/if_indextoname.c
index f18f17a..6ee7f13 100644 (file)
--- a/src/network/if_indextoname.c
+++ b/src/network/if_indextoname.c
@@ -10,7 +10,7 @@ char *if_indextoname(unsigned index, char *name)
        struct ifreq ifr;
        int fd, r;
 
-       if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) return 0;
+       if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
        ifr.ifr_ifindex = index;
        r = ioctl(fd, SIOCGIFNAME, &ifr);
        __syscall(SYS_close, fd);