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Incorrect computing of packet size caused SIGSEGV
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@ -219,7 +219,6 @@ int tcp_ipv6(struct s_ethernet *eth6, struct s_ipv6 *ip6, char *payload)
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unsigned short orig_checksum;
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struct s_ipv4 *ip4;
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unsigned char *packet;
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unsigned int packet_size;
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/* parse TCP header */
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tcp = (struct s_tcp *) payload;
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@ -249,8 +248,8 @@ int tcp_ipv6(struct s_ethernet *eth6, struct s_ipv6 *ip6, char *payload)
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}
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/* allocate memory for translated packet */
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packet_size = sizeof(struct s_ipv4) + ip6->len;
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if ((packet = (unsigned char *) malloc(packet_size)) == NULL) {
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if ((packet = (unsigned char *) malloc(sizeof(struct s_ipv4) +
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htons(ip6->len))) == NULL) {
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fprintf(stderr, "[Error] Lack of free memory\n");
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return 1;
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}
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