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> --- dlls/iphlpapi/ipstats.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/dlls/iphlpapi/ipstats.c b/dlls/iphlpapi/ipstats.c index 94fb4af5fa..fe4d3f4588 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 */ -- 2.24.1 (Apple Git-126)