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>
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@ -95,8 +95,8 @@ m_free(struct mbuf *m)
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* Either free() it or put it on the free list
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* Either free() it or put it on the free list
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*/
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*/
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if (m->m_flags & M_DOFREE) {
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if (m->m_flags & M_DOFREE) {
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free(m);
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m->slirp->mbuf_alloced--;
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m->slirp->mbuf_alloced--;
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free(m);
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} else if ((m->m_flags & M_FREELIST) == 0) {
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} else if ((m->m_flags & M_FREELIST) == 0) {
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insque(m,&m->slirp->m_freelist);
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insque(m,&m->slirp->m_freelist);
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m->m_flags = M_FREELIST; /* Clobber other flags */
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m->m_flags = M_FREELIST; /* Clobber other flags */
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