Re: [PATCH v4] net: don't call strlen() on the user buffer in packet_bind_spkt()

On Wed, 2017-03-01 at 12:57 +0100, Alexander Potapenko wrote:

KMSAN (KernelMemorySanitizer, a new error detection tool) reports use of
uninitialized memory in packet_bind_spkt():

...

Signed-off-by: Alexander Potapenko <glider@google.com>
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Changes since v3:
 - addressed comments by Eric Dumazet (avoid using constants,
   use memcpy() instead of strncpy())
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Acked-by: Eric Dumazet <edumazet@google.com>