X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fsocket.c;h=54e492c95a4284ebdf77f3a5d33dd2bef5a26af6;hb=e11fda547143d8b1e931d77f1661668d41473c73;hp=4146d5ad593e5d3d05dc8265192a147c539f390f;hpb=aec83994fea80aec0965bc9ecc95fe0139be3160;p=catta

diff --git a/avahi-core/socket.c b/avahi-core/socket.c
index 4146d5a..54e492c 100644
--- a/avahi-core/socket.c
+++ b/avahi-core/socket.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /***
   This file is part of avahi.
 
@@ -652,6 +650,10 @@ AvahiDnsPacket *avahi_recv_dns_packet_ipv4(
         goto fail;
     }
 
+    /* For corrupt packets FIONREAD returns zero size (See rhbz #607297) */
+    if (!ms)
+        goto fail;
+
     p = avahi_dns_packet_new(ms + AVAHI_DNS_PACKET_EXTRA_SIZE);
 
     io.iov_base = AVAHI_DNS_PACKET_DATA(p);
@@ -805,6 +807,10 @@ AvahiDnsPacket *avahi_recv_dns_packet_ipv6(
         goto fail;
     }
 
+    /* For corrupt packets FIONREAD returns zero size (See rhbz #607297) */
+    if (!ms)
+        goto fail;
+
     p = avahi_dns_packet_new(ms + AVAHI_DNS_PACKET_EXTRA_SIZE);
 
     io.iov_base = AVAHI_DNS_PACKET_DATA(p);