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Wed Mar 30 17:17:15 IST 2007 Mark McLoughlin <markmc@redhat.com>

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* qemud/iptables.c: ensure iptablesContext is zereod out
        when allocating so we don't try and free an invalid pointer.
This commit is contained in:
Mark McLoughlin 2007-03-30 16:20:19 +00:00
parent 0ab7cda38c
commit 27c1d7b9fa
2 changed files with 12 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Wed Mar 30 17:17:15 IST 2007 Mark McLoughlin <markmc@redhat.com>
* qemud/iptables.c: ensure iptablesContext is zereod out
when allocating so we don't try and free an invalid pointer.
Wed Mar 28 12:23:00 BST 2007 Richard W.M. Jones <rjones@redhat.com> Wed Mar 28 12:23:00 BST 2007 Richard W.M. Jones <rjones@redhat.com>
* python/generator.py: Python bindings now throw exceptions * python/generator.py: Python bindings now throw exceptions

11
qemud/iptables.c
View File

@ -490,7 +490,7 @@ iptablesContextNew(void)
{ {
iptablesContext *ctx; iptablesContext *ctx;
if (!(ctx = (iptablesContext *) malloc(sizeof (iptablesContext)))) if (!(ctx = (iptablesContext *) calloc(1, sizeof (iptablesContext))))
return NULL; return NULL;
if (!(ctx->input_filter = iptRulesNew("filter", IPTABLES_PREFIX "INPUT"))) if (!(ctx->input_filter = iptRulesNew("filter", IPTABLES_PREFIX "INPUT")))
@ -512,9 +512,12 @@ iptablesContextNew(void)
void void
iptablesContextFree(iptablesContext *ctx) iptablesContextFree(iptablesContext *ctx)
{ {
iptRulesFree(ctx->input_filter); if (ctx->input_filter)
iptRulesFree(ctx->forward_filter); iptRulesFree(ctx->input_filter);
iptRulesFree(ctx->nat_postrouting); if (ctx->forward_filter)
iptRulesFree(ctx->forward_filter);
if (ctx->nat_postrouting)
iptRulesFree(ctx->nat_postrouting);
free(ctx); free(ctx);
} }