On 2020/10/29 23:25, Miklos Szeredi wrote: > On Thu, Oct 22, 2020 at 4:52 PM Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx> wrote: >> >> >> In fuse_send_init func, ia is allocated by calling kzalloc func, and >> we donot check whether ia is NULL before using it. Thus, if allocating >> ia fails, accessing NULL pointer problem will occur. > > Note the __GFP_NOFAIL flag for kzalloc(), which ensures that it will not fail. Thanks for your reply. Please ignore this patch.