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authortannerlove <tannerlove@google.com>2020-06-08 15:37:15 -0400
committerDavid S. Miller <davem@davemloft.net>2020-06-08 19:14:28 -0700
commit8027bc0307ce59759b90679fa5d8b22949586d20 (patch)
treeda2e4e5a555eedbca6564fbcd18f7ef0fd7d8956 /net/8021q
parent07a86b01c07c315d9b8eeb0009a9123af3d7dd4b (diff)
selftests/net: in timestamping, strncpy needs to preserve null byte
If user passed an interface option longer than 15 characters, then device.ifr_name and hwtstamp.ifr_name became non-null-terminated strings. The compiler warned about this: timestamping.c:353:2: warning: ‘strncpy’ specified bound 16 equals \ destination size [-Wstringop-truncation] 353 | strncpy(device.ifr_name, interface, sizeof(device.ifr_name)); Fixes: cb9eff097831 ("net: new user space API for time stamping of incoming and outgoing packets") Signed-off-by: Tanner Love <tannerlove@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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