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Fixed undefined behavior in ssl_read if buf parameter is NULL.
Signed-off-by: Ashley Duncan <ashes.man@gmail.com>
This commit is contained in:
committed by
Dave Rodgman
parent
4dcc08c244
commit
272cc19ab5
@ -5429,8 +5429,10 @@ int mbedtls_ssl_read(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
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n = (len < ssl->in_msglen)
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n = (len < ssl->in_msglen)
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? len : ssl->in_msglen;
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? len : ssl->in_msglen;
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memcpy(buf, ssl->in_offt, n);
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if (buf) {
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ssl->in_msglen -= n;
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memcpy(buf, ssl->in_offt, n);
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ssl->in_msglen -= n;
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}
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/* Zeroising the plaintext buffer to erase unused application data
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/* Zeroising the plaintext buffer to erase unused application data
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from the memory. */
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from the memory. */
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