fix out-of-bounds reads in __dns_parse

[musl] / src / network / setsockopt.c

diff --git a/src/network/setsockopt.c b/src/network/setsockopt.c
index 2c188a9..612a194 100644 (file)
--- a/src/network/setsockopt.c
+++ b/src/network/setsockopt.c
@@ -31,6 +31,15 @@ int setsockopt(int fd, int level, int optname, const void *optval, socklen_t opt
 
                        r = __socketcall(setsockopt, fd, level, optname,
                                ((long[]){s, CLAMP(us)}), 2*sizeof(long), 0);
+                       break;
+               case SO_TIMESTAMP:
+               case SO_TIMESTAMPNS:
+                       if (SO_TIMESTAMP == SO_TIMESTAMP_OLD) break;
+                       if (optname==SO_TIMESTAMP) optname=SO_TIMESTAMP_OLD;
+                       if (optname==SO_TIMESTAMPNS) optname=SO_TIMESTAMPNS_OLD;
+                       r = __socketcall(setsockopt, fd, level,
+                               optname, optval, optlen, 0);
+                       break;
                }
        }
        return __syscall_ret(r);