From: Christian Brauner Date: Sun, 28 Mar 2021 15:58:18 +0000 (+0200) Subject: confile: safely clean previous value in set_config_net_ipv4_gateway() X-Git-Tag: lxc-5.0.0~232^2~10 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d21e9500594c504934fc217a6688e2748bd105dc;p=thirdparty%2Flxc.git confile: safely clean previous value in set_config_net_ipv4_gateway() Link: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32586 Signed-off-by: Christian Brauner --- diff --git a/src/lxc/confile.c b/src/lxc/confile.c index 375960212..ba9420c72 100644 --- a/src/lxc/confile.c +++ b/src/lxc/confile.c @@ -787,10 +787,9 @@ static int set_config_net_ipv4_gateway(const char *key, const char *value, if (!netdev) return ret_errno(EINVAL); + clr_config_net_ipv4_gateway(key, lxc_conf, data); if (lxc_config_value_empty(value)) - return clr_config_net_ipv4_gateway(key, lxc_conf, data); - - free(netdev->ipv4_gateway); + return 0; if (strequal(value, "auto")) { netdev->ipv4_gateway = NULL;