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list_tls_signatures(): Avoid leak with zero length builtin_sigalgs

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Fixes Coverity 1616307

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/25219)
This commit is contained in:
Andrew Dinh 2024-08-16 20:55:16 +07:00 committed by Neil Horman
parent 8d28402ce3
commit 47645bf7c6
1 changed files with 5 additions and 3 deletions
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8
apps/list.c
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@ -779,10 +779,12 @@ static void list_tls_signatures(void)
int tls_sigalg_listed = 0;
char *builtin_sigalgs = SSL_get1_builtin_sigalgs(app_get0_libctx());
if (builtin_sigalgs != NULL && builtin_sigalgs[0] != 0) {
BIO_printf(bio_out, "%s", builtin_sigalgs);
if (builtin_sigalgs != NULL) {
if (builtin_sigalgs[0] != 0) {
BIO_printf(bio_out, "%s", builtin_sigalgs);
tls_sigalg_listed = 1;
}
OPENSSL_free(builtin_sigalgs);
tls_sigalg_listed = 1;
}
/* As built-in providers don't have this capability, never error */