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[subset] Fix fuzzer found memory leaks.

This commit is contained in:
Garret Rieger 2023-03-24 17:14:55 +00:00 committed by Behdad Esfahbod
parent ab87d7d225
commit 79ae6b657f
3 changed files with 7 additions and 2 deletions
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9
src/hb-subset-plan.cc
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@ -346,8 +346,10 @@ _get_hb_font_with_variations (const hb_subset_plan_t *plan)
hb_font_t *font = hb_font_create (plan->source);
hb_vector_t<hb_variation_t> vars;
if (!vars.alloc (plan->user_axes_location.get_population ()))
if (!vars.alloc (plan->user_axes_location.get_population ())) {
hb_font_destroy (font);
return nullptr;
}
for (auto _ : plan->user_axes_location)
{
@ -383,8 +385,11 @@ _collect_layout_variation_indices (hb_subset_plan_t* plan)
bool collect_delta = plan->pinned_at_default ? false : true;
if (collect_delta)
{
if (unlikely (!plan->check_success (font = _get_hb_font_with_variations (plan))))
if (unlikely (!plan->check_success (font = _get_hb_font_with_variations (plan)))) {
gdef.destroy ();
gpos.destroy ();
return;
}
if (gdef->has_var_store ())
{

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test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-5793182905663488 Normal file
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test/fuzzing/fonts/clusterfuzz-testcase-minimized-hb-subset-fuzzer-6742230974201856 Normal file
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