Add null pointer judgment for async job to avoid null pointer access in abnormal cases. Signed-off-by: Zhiqi Song <songzhiqi1@huawei.com> --- src/uadk_async.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/uadk_async.c b/src/uadk_async.c index dfac1cb..2577fde 100644 --- a/src/uadk_async.c +++ b/src/uadk_async.c @@ -223,6 +223,11 @@ int async_get_free_task(int *id) poll_queue.status[idx] = 1; task_queue = poll_queue.head; task = &task_queue[idx]; + if (!task) { + ret = 0; + goto out; + } + task->op = NULL; ret = 1; @@ -241,6 +246,9 @@ static int async_add_poll_task(void *ctx, struct async_op *op, enum task_type ty task_queue = poll_queue.head; task = &task_queue[id]; + if (!task) + return 0; + task->ctx = ctx; task->type = type; task->op = op; -- 2.33.0