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authorStefan Hajnoczi <stefanha@redhat.com>2016-11-15 11:50:04 +0000
committerStefan Hajnoczi <stefanha@redhat.com>2016-11-15 11:50:04 +0000
commit5d0df6de7529edfc3f27bc04bf09fe583bdcca3e (patch)
tree360e90e55b6e3e13173a76df659715972e908a3a
parent972d233b1d3eacf29a281bb2dd20a52784632894 (diff)
parentea64d5f08817b5e79e17135dce516c7583107f91 (diff)
downloadfocaccia-qemu-5d0df6de7529edfc3f27bc04bf09fe583bdcca3e.tar.gz
focaccia-qemu-5d0df6de7529edfc3f27bc04bf09fe583bdcca3e.zip
Merge remote-tracking branch 'sthibault/tags/samuel-thibault' into staging
slirp updates

# gpg: Signature made Mon 14 Nov 2016 08:19:16 PM GMT
# gpg:                using RSA key 0xA003196827414880
# gpg: Good signature from "Samuel Thibault <samuel.thibault@u-bordeaux.fr>"
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>"
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: 6B0F AC21 8566 46E9 4AA2  D200 A003 1968 2741 4880

* sthibault/tags/samuel-thibault:
  slirp: Fix access to freed memory

Message-id: 20161114202030.17685-1-samuel.thibault@ens-lyon.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--slirp/socket.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/slirp/socket.c b/slirp/socket.c
index 280050a21f..6c18971368 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -66,6 +66,23 @@ void
 sofree(struct socket *so)
 {
   Slirp *slirp = so->slirp;
+  struct mbuf *ifm;
+
+  for (ifm = (struct mbuf *) slirp->if_fastq.qh_link;
+       (struct quehead *) ifm != &slirp->if_fastq;
+       ifm = ifm->ifq_next) {
+    if (ifm->ifq_so == so) {
+      ifm->ifq_so = NULL;
+    }
+  }
+
+  for (ifm = (struct mbuf *) slirp->if_batchq.qh_link;
+       (struct quehead *) ifm != &slirp->if_batchq;
+       ifm = ifm->ifq_next) {
+    if (ifm->ifq_so == so) {
+      ifm->ifq_so = NULL;
+    }
+  }
 
   if (so->so_emu==EMU_RSH && so->extra) {
 	sofree(so->extra);