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authordjm@openbsd.org <djm@openbsd.org>2019-01-04 04:23:00 +0100
committerDamien Miller <djm@mindrot.org>2019-01-04 04:29:37 +0100
commit8a8183474c41bd6cebaa917346b549af2239ba2f (patch)
tree559bb2f22c3c3463923274dd604c06363d7bffe5 /packet.c
parentupstream: static on global vars, const on handler tables that contain (diff)
downloadopenssh-8a8183474c41bd6cebaa917346b549af2239ba2f.tar.xz
openssh-8a8183474c41bd6cebaa917346b549af2239ba2f.zip
upstream: fix memory leak of ciphercontext when rekeying; bz#2942
Patch from Markus Schmidt; ok markus@ OpenBSD-Commit-ID: 7877f1b82e249986f1ef98d0ae76ce987d332bdd
Diffstat (limited to 'packet.c')
-rw-r--r--packet.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/packet.c b/packet.c
index e7e6d27a7..ded5a3201 100644
--- a/packet.c
+++ b/packet.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: packet.c,v 1.278 2018/12/27 03:25:25 djm Exp $ */
+/* $OpenBSD: packet.c,v 1.279 2019/01/04 03:23:00 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -862,8 +862,6 @@ ssh_set_newkeys(struct ssh *ssh, int mode)
(unsigned long long)state->p_read.blocks,
(unsigned long long)state->p_send.bytes,
(unsigned long long)state->p_send.blocks);
- cipher_free(*ccp);
- *ccp = NULL;
kex_free_newkeys(state->newkeys[mode]);
state->newkeys[mode] = NULL;
}
@@ -882,6 +880,8 @@ ssh_set_newkeys(struct ssh *ssh, int mode)
}
mac->enabled = 1;
DBG(debug("cipher_init_context: %d", mode));
+ cipher_free(*ccp);
+ *ccp = NULL;
if ((r = cipher_init(ccp, enc->cipher, enc->key, enc->key_len,
enc->iv, enc->iv_len, crypt_type)) != 0)
return r;