Paul Gofman : ws2_32: Return WSAEFAULT from setsockopt() for IP_TTL with zero optlen.
Alexandre Julliard
julliard at winehq.org
Tue Mar 8 16:10:49 CST 2022
Module: wine
Branch: master
Commit: 0baf44e320cfaa64d4a87cc8a8c47c5b6e85448a
URL: https://source.winehq.org/git/wine.git/?a=commit;h=0baf44e320cfaa64d4a87cc8a8c47c5b6e85448a
Author: Paul Gofman <pgofman at codeweavers.com>
Date: Tue Mar 8 12:22:46 2022 +0300
ws2_32: Return WSAEFAULT from setsockopt() for IP_TTL with zero optlen.
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ws2_32/socket.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/dlls/ws2_32/socket.c b/dlls/ws2_32/socket.c
index ed2889b3eb0..e708d0d2f5e 100644
--- a/dlls/ws2_32/socket.c
+++ b/dlls/ws2_32/socket.c
@@ -3023,6 +3023,11 @@ int WINAPI setsockopt( SOCKET s, int level, int optname, const char *optval, int
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IP_TOS, optval, optlen );
case IP_TTL:
+ if (!optlen)
+ {
+ SetLastError( WSAEFAULT );
+ return -1;
+ }
return server_setsockopt( s, IOCTL_AFD_WINE_SET_IP_TTL, optval, optlen );
case IP_UNBLOCK_SOURCE:
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