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#181 OSS-Fuzz TELEPEN fix, allow for 16 char nul encodings in buffer

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gitlost
2020-03-26 14:22:27 +00:00
parent 62995f18d2
commit 027e8a775d
4 changed files with 90 additions and 4 deletions
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4
backend/telepen.c
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@ -60,7 +60,7 @@ static char *TeleTable[] = {
INTERNAL int telepen(struct zint_symbol *symbol, unsigned char source[], const size_t src_len) {
unsigned int i, count, check_digit;
int error_number;
char dest[512]; /*14 + 30 * 14 + 14 + 14 + 1 ~ 512 */
char dest[521]; /* 12 (start) + 30 * 16 (max for nuls) + 16 (check digit) + 12 (stop) + 1 = 521 */
error_number = 0;
@ -108,7 +108,7 @@ INTERNAL int telepen_num(struct zint_symbol *symbol, unsigned char source[], con
unsigned int count, check_digit, glyph;
int error_number;
size_t i,temp_length = src_len;
char dest[1024]; /* 14 + 60 * 14 + 14 + 14 + 1 ~ 1024 */
char dest[521]; /* 12 (start) + 30 * 16 (max for nuls) + 16 (check digit) + 12 (stop) + 1 = 521 */
unsigned char temp[64];
count = 0;