Module: wine Branch: master Commit: 7f4beb0883172a1629926e070fc6d5b6fab05922 URL: https://source.winehq.org/git/wine.git/?a=commit;h=7f4beb0883172a1629926e070... Author: Stefan Dösinger <stefan(a)codeweavers.com> Date: Sun Apr 12 14:24:55 2020 +0200 iphlpapi: Write an ERR if the sockaddr parsing went wrong. It should not happen any more after the previous patch but it is subtle enough that I think being verbose about it makes sense. Signed-off-by: Stefan Dösinger <stefan(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/iphlpapi/ipstats.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/dlls/iphlpapi/ipstats.c b/dlls/iphlpapi/ipstats.c index 6986a4b315..9d6a84dd33 100644 --- a/dlls/iphlpapi/ipstats.c +++ b/dlls/iphlpapi/ipstats.c @@ -1539,6 +1539,12 @@ DWORD WINAPI AllocateAndGetIpForwardTableFromStack(PMIB_IPFORWARDTABLE *ppIpForw continue; sa = (struct sockaddr *)addrPtr; + if (addrPtr + sa->sa_len > next + rtm->rtm_msglen) + { + ERR ("struct sockaddr extends beyond the route message, %p > %p\n", + addrPtr + sa->sa_len, next + rtm->rtm_msglen ); + } + ADVANCE (addrPtr, sa); /* default routes are encoded by length-zero sockaddr */