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authorNeal Cardwell <ncardwell@google.com>2016-06-13 11:20:35 -0400
committerDavid S. Miller <davem@davemloft.net>2016-06-14 23:46:30 -0700
commitdcf1158b275f9d51d6a742cf7166edc764ee4718 (patch)
tree80f977432d9fc7d290e5a72416dbca84ec9464e6 /net/rds/recv.c
parenta5e27d18fe64561a467b706f70cfc89ba6323f87 (diff)
downloadlinux-stericsson-dcf1158b275f9d51d6a742cf7166edc764ee4718.tar.gz
tcp: return sizeof tcp_dctcp_info in dctcp_get_info()
Make sure that dctcp_get_info() returns only the size of the info->dctcp struct that it zeroes out and fills in. Previously it had been returning the size of the enclosing tcp_cc_info union, sizeof(*info). There is no problem yet, but that union that may one day be larger than struct tcp_dctcp_info, in which case the TCP_CC_INFO code might accidentally copy uninitialized bytes from the stack. Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/recv.c')
0 files changed, 0 insertions, 0 deletions