[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] slirp: fix use-after-free
From: |
Mark McLoughlin |
Subject: |
[Qemu-devel] [PATCH] slirp: fix use-after-free |
Date: |
Fri, 20 Nov 2009 18:13:10 +0000 |
460fec67ee introduced a use-after free in slirp.
Cc: Jan Kiszka <address@hidden>
Signed-off-by: Mark McLoughlin <address@hidden>
---
Untested fix, but it's obvious.
Also, this is needed on stable-0.11.
slirp/mbuf.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
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 @@ m_free(struct mbuf *m)
* 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 */
--
1.6.2.5
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [PATCH] slirp: fix use-after-free,
Mark McLoughlin <=