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Use explicit_bzero() instead of bzero() before free() to
prevent the compiler from optimizing away the bzero() call.  OK djm@

Upstream-ID: cdc6197e64c9684c7250e23d60863ee1b53cef1d
This commit is contained in:
millert@openbsd.org 2017-09-19 12:10:30 +00:00 committed by Damien Miller
parent 5b8da1f538
commit 3e8d185af3
1 changed files with 2 additions and 2 deletions
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4
channels.c
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@ -1,4 +1,4 @@
/* $OpenBSD: channels.c,v 1.370 2017/09/12 07:55:48 djm Exp $ */ /* $OpenBSD: channels.c,v 1.371 2017/09/19 12:10:30 millert Exp $ */
/* /*
* Author: Tatu Ylonen <ylo@cs.hut.fi> * Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -573,7 +573,7 @@ channel_free(struct ssh *ssh, Channel *c)
if (c->filter_cleanup != NULL && c->filter_ctx != NULL) if (c->filter_cleanup != NULL && c->filter_ctx != NULL)
c->filter_cleanup(ssh, c->self, c->filter_ctx); c->filter_cleanup(ssh, c->self, c->filter_ctx);
sc->channels[c->self] = NULL; sc->channels[c->self] = NULL;
bzero(c, sizeof(*c)); explicit_bzero(c, sizeof(*c));
free(c); free(c);
} }