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ssl_lib: added pointer SSL and SSL_CONNECTION check to NULL before dereferencing it in ossl_ctrl_internal()

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22470)
This commit is contained in:
atishkov 2023-10-24 12:30:22 +03:00 committed by Hugo Landau
parent 24844be16f
commit b9788ce6a8
1 changed files with 6 additions and 2 deletions
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8
ssl/ssl_lib.c
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@ -2906,9 +2906,8 @@ long SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
long ossl_ctrl_internal(SSL *s, int cmd, long larg, void *parg, int no_quic)
{
long l;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
if (s == NULL)
return 0;
/*
@ -2929,6 +2928,11 @@ long ossl_ctrl_internal(SSL *s, int cmd, long larg, void *parg, int no_quic)
if (!no_quic && IS_QUIC(s))
return s->method->ssl_ctrl(s, cmd, larg, parg);
SSL_CONNECTION* sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
switch (cmd) {
case SSL_CTRL_GET_READ_AHEAD:
return RECORD_LAYER_get_read_ahead(&sc->rlayer);