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libfetch: fix use-after-free in connection cache management 

fixes #10734
cute-signatures
Timo Teräs 2021-01-19 16:10:08 +02:00
parent 4087ab92c4
commit d430a98976
1 changed files with 3 additions and 3 deletions
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6
libfetch/common.c
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@ -381,7 +381,7 @@ fetch_cache_get(const struct url *url, int af)
void
fetch_cache_put(conn_t *conn, int (*closecb)(conn_t *))
{
conn_t *iter, *last;
conn_t *iter, *last, *next_cached;
int global_count, host_count;
if (conn->cache_url == NULL || cache_global_limit == 0) {
@ -391,8 +391,8 @@ fetch_cache_put(conn_t *conn, int (*closecb)(conn_t *))
global_count = host_count = 0;
last = NULL;
for (iter = connection_cache; iter;
last = iter, iter = iter->next_cached) {
for (iter = connection_cache; iter; last = iter, iter = next_cached) {
next_cached = iter->next_cached;
++global_count;
if (strcmp(conn->cache_url->host, iter->cache_url->host) == 0)
++host_count;