bppp: check for overflow in generator allocation

2026-08-10 14:35:05 +03:00
parent a2b001cc20
commit 1de3864ff9
2 changed files with 7 additions and 0 deletions
--- a/src/modules/bppp/tests_impl.h
+++ b/src/modules/bppp/tests_impl.h
@@ -28,6 +28,8 @@ static void test_bppp_generators_api(void) {
    CHECK(gens != NULL);
    gens_orig = gens; /* Preserve for round-trip test */

+    CHECK(secp256k1_bppp_generators_create(CTX, SIZE_MAX / sizeof(secp256k1_ge) + 1) == NULL);
+
    /* Serialize */
    CHECK_ILLEGAL(CTX, secp256k1_bppp_generators_serialize(CTX, NULL, gens_ser, &len));
    CHECK_ILLEGAL(CTX, secp256k1_bppp_generators_serialize(CTX, gens, NULL, &len));