From: Alexander Potapenko <gli...@google.com> Date: Tue, 25 Apr 2017 18:51:46 +0200
> In the case getsockopt() is called with PACKET_HDRLEN and optlen < 4 > |val| remains uninitialized and the syscall may behave differently > depending on its value, and even copy garbage to userspace on certain > architectures. To fix this we now return -EINVAL if optlen is too small. > > This bug has been detected with KMSAN. > > Signed-off-by: Alexander Potapenko <gli...@google.com> Applied, thanks.
