[PATCH 5/7] ws2_32: Return WSAENOBUFS from setsockopt() for IPPROTO_IPV6 with negative optlen.
Paul Gofman
pgofman at codeweavers.com
Thu Mar 10 03:40:56 CST 2022
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
dlls/ws2_32/socket.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index ab0c81b311a..c666c758af2 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3149,6 +3149,12 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
break;
case IPPROTO_IPV6:
+ if (optlen < 0)
+ {
+ SetLastError( WSAENOBUFS );
+ return SOCKET_ERROR;
+ }
+
switch(optname)
{
case IPV6_ADD_MEMBERSHIP:
--
2.35.1
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