From 24f6bc4322754a753e4e3e413659d542fa798c7b Mon Sep 17 00:00:00 2001 From: Philipp Meier Date: Tue, 8 Nov 2022 14:38:37 +0100 Subject: [PATCH] jail: correctly check for null pointer Handle case where opts.sysctl is not used. Signed-off-by: Philipp Meier --- jail/jail.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/jail/jail.c b/jail/jail.c index ce6b268..31b64e5 100644 --- a/jail/jail.c +++ b/jail/jail.c @@ -215,6 +215,10 @@ static void free_hooklist(struct hook_execvpe **hooklist) static void free_sysctl(void) { struct sysctl_val *cur; + + if (!opts.sysctl) + return; + cur = *opts.sysctl; while (cur) { -- 2.30.2