slirp: fix use-after-free
460fec67ee introduced a use-after free in slirp.
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/slirp/mbuf.c b/slirp/mbuf.c
index 7652fea..87508ba 100644
--- a/slirp/mbuf.c
+++ b/slirp/mbuf.c
@@ -95,8 +95,8 @@
* Either free() it or put it on the free list
*/
if (m->m_flags & M_DOFREE) {
- free(m);
m->slirp->mbuf_alloced--;
+ free(m);
} else if ((m->m_flags & M_FREELIST) == 0) {
insque(m,&m->slirp->m_freelist);
m->m_flags = M_FREELIST; /* Clobber other flags */
