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[ASAN] metalink: Fix leaks of buffer 

We should be religious about the "only set output variables on
success", otherwise it makes leaks more likely.

But the real leak was us simply not using autoptr in one place.

Closes: #598
Approved by: jlebon
This commit is contained in:
Colin Walters 2016-11-28 22:01:33 -05:00 committed by Atomic Bot
parent 1bb6e51486
commit d83d5b4a29
1 changed files with 8 additions and 5 deletions
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13
src/libostree/ostree-metalink.c
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@ -479,7 +479,7 @@ try_one_url (OstreeMetalinkRequest *self,
ret = TRUE;
if (out_data)
*out_data = g_bytes_ref (bytes);
*out_data = g_steal_pointer (&bytes);
out:
return ret;
}
@ -492,6 +492,7 @@ try_metalink_targets (OstreeMetalinkRequest *self,
{
gboolean ret = FALSE;
SoupURI *target_uri = NULL;
g_autoptr(GBytes) ret_data = NULL;
if (!self->found_a_file_element)
{
@ -546,7 +547,7 @@ try_metalink_targets (OstreeMetalinkRequest *self,
target_uri = self->urls->pdata[self->current_url_index];
if (try_one_url (self, target_uri, out_data, &temp_error))
if (try_one_url (self, target_uri, &ret_data, &temp_error))
break;
else
{
@ -568,6 +569,8 @@ try_metalink_targets (OstreeMetalinkRequest *self,
ret = TRUE;
if (out_target_uri)
*out_target_uri = soup_uri_copy (target_uri);
if (out_data)
*out_data = g_steal_pointer (&ret_data);
out:
return ret;
}
@ -599,7 +602,7 @@ _ostree_metalink_request_sync (OstreeMetalink *self,
gboolean ret = FALSE;
OstreeMetalinkRequest request = { 0, };
g_autoptr(GMainContext) mainctx = NULL;
GBytes *out_contents = NULL;
g_autoptr(GBytes) contents = NULL;
gsize len;
const guint8 *data;
@ -614,13 +617,13 @@ _ostree_metalink_request_sync (OstreeMetalink *self,
self->uri,
FALSE,
FALSE,
&out_contents,
&contents,
self->max_size,
cancellable,
error))
goto out;
data = g_bytes_get_data (out_contents, &len);
data = g_bytes_get_data (contents, &len);
if (!g_markup_parse_context_parse (request.parser, (const char*)data, len, error))
goto out;