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libsemanage: fix use-after-free in parse_module_store()

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The passing parameter "arg" of parse_module_store will be freed after
calling. A copy of parameter should be used instead of itself.

Signed-off-by: HuaxinLu <luhuaxin1@foxmail.com>
Acked-by: James Carter <jwcart2@gmail.com>
This commit is contained in:
HuaxinLu 2021-06-14 12:21:26 +08:00 committed by Petr Lautrbach
parent 70b31e75fe
commit 6bff61c598
1 changed files with 2 additions and 2 deletions
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4
libsemanage/src/conf-parse.y
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@ -516,12 +516,12 @@ static int parse_module_store(char *arg)
char *s;
current_conf->store_type = SEMANAGE_CON_POLSERV_REMOTE;
if ((s = strchr(arg, ':')) == NULL) {
current_conf->store_path = arg;
current_conf->store_path = strdup(arg);
current_conf->server_port = 4242;
} else {
char *endptr;
*s = '\0';
current_conf->store_path = arg;
current_conf->store_path = strdup(arg);
current_conf->server_port = strtol(s + 1, &endptr, 10);
if (*(s + 1) == '\0' || *endptr != '\0') {
return -2;