ipv6: make sure to initialize sockc.tsflags before first use
In the case udp_sk(sk)->pending is AF_INET6, udpv6_sendmsg() would jump to do_append_data, skipping the initialization of sockc.tsflags. Fix the problem by moving sockc.tsflags initialization earlier. The bug was detected with KMSAN. Fixes: c14ac945 ("sock: enable timestamping using control messages") Signed-off-by: Alexander Potapenko <glider@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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