net: initialize msg.msg_flags in recvfrom
authorAlexander Potapenko <glider@google.com>
Wed, 8 Mar 2017 17:08:16 +0000 (18:08 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 10 Mar 2017 01:21:21 +0000 (17:21 -0800)
commit9f138fa609c47403374a862a08a41394be53d461
tree4f70381934fe8a919b2b60d180dda52ae353ffa0
parent8ddbb3124da9b1ea73567374ff01de5f62a6637b
net: initialize msg.msg_flags in recvfrom

KMSAN reports a use of uninitialized memory in put_cmsg() because
msg.msg_flags in recvfrom haven't been initialized properly.
The flag values don't affect the result on this path, but it's still a
good idea to initialize them explicitly.

Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/socket.c