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[mod_redirect,mod_rewrite] fix segfault w/ invalid syntax (fixes #2892)

(thx nti)

x-ref:
  "Segmentation fault with invalid lighttpd.conf syntax"
  https://redmine.lighttpd.net/issues/2892
personal/stbuehler/fix-fdevent
Glenn Strauss 4 years ago
parent
commit
f4f13745c8
  1. 2
      src/keyvalue.c

2
src/keyvalue.c

@ -122,7 +122,7 @@ static void pcre_keyvalue_buffer_append_match(buffer *b, const char **list, int
static void pcre_keyvalue_buffer_append_ctxmatch(buffer *b, pcre_keyvalue_ctx *ctx, unsigned int num, int flags) {
const struct cond_cache_t * const cache = ctx->cache;
if (!cache) return; /* no enclosing match context */
if (num < (unsigned int)cache->patterncount) {
if ((int)num < cache->patterncount) {
const int off = cache->matches[(num <<= 1)]; /*(num *= 2)*/
const int len = cache->matches[num+1] - off;
burl_append(b, cache->comp_value->ptr + off, (size_t)len, flags);

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