This avoids a crash in e.g. `openssl chacha20` as reported by
Steffen Nurpmeso on openssl-users.
Resolves: #16713
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16714)
(cherry picked from commit
a8cc0efe0d8fdd7bfa1d40b3c008d7d6ddf970db)
if (argc <= 0 || argv[0] == NULL)
return 0;
+ memset(&f, 0, sizeof(f));
f.name = argv[0];
fp = lh_FUNCTION_retrieve(prog, &f);
if (fp == NULL) {