diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 0f0bac8318dd..21c6c1e29b98 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -93,6 +93,7 @@ #include <linux/livepatch.h> #include <linux/thread_info.h> #include <linux/stackleak.h> +#include <linux/kasan.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -223,6 +224,9 @@ static unsigned long *alloc_thread_stack_node(struct task_struct *tsk, int node) if (!s) continue; + /* Clear the KASAN shadow of the stack. */ + kasan_unpoison_shadow(s->addr, THREAD_SIZE); + /* Clear stale pointers from reused stack. */ memset(s->addr, 0, THREAD_SIZE); |