Fix SIGSEGV crash in slirp networking code

[qemu] / slirp / ip_input.c

diff --git a/slirp/ip_input.c b/slirp/ip_input.c
index e7f2756..505149a 100644 (file)
--- a/slirp/ip_input.c
+++ b/slirp/ip_input.c
@@ -392,8 +392,7 @@ insert:
         * into the new buffer.
         */
        if (m->m_flags & M_EXT) {
-         int delta;
-         delta = (char *)ip - m->m_dat;
+         int delta = (char *)q - m->m_dat;
          q = (struct ipasfrag *)(m->m_ext + delta);
        }