conf: reinitialize sysctl list after clearing it

Link: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32474Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

conf: reinitialize sysctl list after clearing it
ab0df368 · Christian Brauner · 0b382e93 · ab0df368
Unverified Commit ab0df368 authored Mar 25, 2021 by Christian Brauner
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conf.c src/lxc/conf.c +4 -1

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--- a/src/lxc/conf.c
+++ b/src/lxc/conf.c
@@ -3773,7 +3773,7 @@ int lxc_clear_sysctls(struct lxc_conf *c, const char *key)
 	else
 		return -1;

-	lxc_list_for_each_safe (it, &c->sysctls, next) {
+	lxc_list_for_each_safe(it, &c->sysctls, next) {
 		struct lxc_sysctl *elem = it->elem;

 		if (!all && !strequal(elem->key, k))
@@ -3786,6 +3786,9 @@ int lxc_clear_sysctls(struct lxc_conf *c, const char *key)
 		free(it);
 	}

+	if (all)
+		lxc_list_init(&c->sysctls);
+
 	return 0;
 }