On Thu, 2021-06-10 at 21:49 +0530, Anirudh Rayabharam wrote: > syzbot, using KMSAN, has reported an uninit-value access in > hwsim_cloned_frame_received_nl(). This is happening because frame_data_len > is 0. The code doesn't detect this case and blindly tries to read the > frame's header. > > Fix this by bailing out in case frame_data_len is 0. This really seems quite pointless - you should bail out if the frame is too short for what we need to do, not just when it's 0. johannes
