commit d29fb41f4431ca35ea360498ef9d37558ce90d76
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon Apr 11 10:55:43 2016 +0200
nss_dns: Fix assertion failure in _nss_dns_getcanonname_r [BZ #19865]
diff --git a/resolv/nss_dns/dns-canon.c b/resolv/nss_dns/dns-canon.c
index 27255fd..fd73f19 100644
--- a/resolv/nss_dns/dns-canon.c
+++ b/resolv/nss_dns/dns-canon.c
@@ -144,6 +144,13 @@ _nss_dns_getcanonname_r (const char *name, char *buffer, size_t buflen,
ptr += sizeof (uint16_t) + __ns_get16 (ptr);
}
}
+
+ /* Restore original buffer before retry. */
+ if (ansp.ptr != buf)
+ {
+ free (ansp.ptr);
+ ansp.ptr = buf;
+ }
}
out: