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tcos: Avoid memory leak on invalid inputs 

(make sure the pointer is initialized)

Thanks oss-fuzz

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22765#c2
This commit is contained in:
Jakub Jelen 2020-06-04 09:41:06 +02:00 committed by Frank Morgner
parent b418601942
commit 8940ed5d85
1 changed files with 2 additions and 2 deletions
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4
src/libopensc/pkcs15-tcos.c
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@ -189,7 +189,7 @@ static int insert_pin(
){
sc_card_t *card=p15card->card;
sc_context_t *ctx=p15card->card->ctx;
sc_file_t *f;
sc_file_t *f = NULL;
struct sc_pkcs15_auth_info pin_info;
struct sc_pkcs15_object pin_obj;
int r;
@ -242,7 +242,7 @@ static int insert_pin(
return 1;
}
} else {
if(sc_select_file(card, &pin_info.path, &f)!=SC_SUCCESS
if (sc_select_file(card, &pin_info.path, &f) != SC_SUCCESS
|| !f->prop_attr || f->prop_attr_len < 4){
sc_log(ctx, "Select(%s) failed\n", path);
sc_file_free(f);