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BugFix: Fix issue #669, Contributed by Enna1

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This commit is contained in:
Nick Peng
2021-01-09 12:28:51 +08:00
parent 81ce05e6af
commit ed63c617bc
1 changed files with 1 additions and 1 deletions
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src/dns.c
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@@ -940,7 +940,7 @@ static int _dns_decode_domain(struct dns_context *context, char *output, int siz
/*[len]string[len]string...[0]0 */
while (1) {
if (ptr > context->data + context->maxsize || ptr < context->data || output_len >= size - 1 || ptr_jump > 4) {
if (ptr >= context->data + context->maxsize || ptr < context->data || output_len >= size - 1 || ptr_jump > 4) {
return -1;
}