diff options
| author | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2011-10-14 17:47:42 +0200 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2011-10-21 08:23:22 +0200 |
| commit | bb8d500a75a3050fe3198773ce7b07f669fe8f13 (patch) | |
| tree | 9b0ced7eb4ae8bbe2e6ea8ccc9d8f99922568a0a | |
| parent | e3fea65f50c6e5e82e75b8940dcf857495136e9a (diff) | |
resolv: fix memory leak
Timothy Holdener writes:
small memory leak in __dns_lookup() when the A record
in the DNS answer is preceded by one or more CNAME records.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
| -rw-r--r-- | libc/inet/resolv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c index 38254bdfd..e415d30a5 100644 --- a/libc/inet/resolv.c +++ b/libc/inet/resolv.c @@ -1507,6 +1507,7 @@ int attribute_hidden __dns_lookup(const char *name, DPRINTF("Decoding answer at pos %d\n", pos); first_answer = 1; + a->dotted = NULL; for (j = 0; j < h.ancount; j++) { i = __decode_answer(packet, pos, packet_len, &ma); if (i < 0) { @@ -1523,6 +1524,7 @@ int attribute_hidden __dns_lookup(const char *name, ma.buf = a->buf; ma.buflen = a->buflen; ma.add_count = a->add_count; + free(a->dotted); memcpy(a, &ma, sizeof(ma)); if (a->atype != T_SIG && (NULL == a->buf || (type != T_A && type != T_AAAA))) break; |