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adns: fix label limit check

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This commit is contained in:
Andy Green 2021-10-16 07:37:36 +01:00
parent 28e5d41d9e
commit d730351fa3
1 changed files with 2 additions and 1 deletions
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3
lib/system/async-dns/async-dns-parse.c
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@ -81,7 +81,8 @@ again1:
return -1;
}
if (ll > budget) {
if (ll > lws_ptr_diff_size_t(ls, ols) + (size_t)budget) {
lwsl_notice("%s: label too long %d vs %d\n", __func__, ll, budget);
return -1;