Commit 980dfb0d authored by zhangxiliang's avatar zhangxiliang Committed by Al Viro
Browse files

[PATCH] Fix the kernel panic of audit_filter_task when key field is set

When calling audit_filter_task(), it calls audit_filter_rules() with audit_context is NULL.
If the key field is set, the result in audit_filter_rules() will be set to 1 and
ctx->filterkey will be set to key.
But the ctx is NULL in this condition, so kernel will panic.
Signed-off-by: default avatarZhang Xiliang <>
Signed-off-by: default avatarAl Viro <>
parent 036bbf76
......@@ -610,7 +610,7 @@ static int audit_filter_rules(struct task_struct *tsk,
if (!result)
return 0;
if (rule->filterkey)
if (rule->filterkey && ctx)
ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
switch (rule->action) {
case AUDIT_NEVER: *state = AUDIT_DISABLED; break;
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