diff options
Diffstat (limited to 'crypto/bio/bf_readbuff.c')
| -rw-r--r-- | crypto/bio/bf_readbuff.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/crypto/bio/bf_readbuff.c b/crypto/bio/bf_readbuff.c index 135ccef83bf3..2409c9db97cc 100644 --- a/crypto/bio/bf_readbuff.c +++ b/crypto/bio/bf_readbuff.c @@ -1,5 +1,5 @@ /* - * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2021-2024 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -222,10 +222,13 @@ static int readbuffer_gets(BIO *b, char *buf, int size) char *p; int i, j; - if (size == 0) + if (buf == NULL || size == 0) return 0; --size; /* the passed in size includes the terminator - so remove it here */ ctx = (BIO_F_BUFFER_CTX *)b->ptr; + + if (ctx == NULL || b->next_bio == NULL) + return 0; BIO_clear_retry_flags(b); /* If data is already buffered then use this first */ |