[PATCH v2] nsiproxy.sys: Explicitly check for recvmsg() failure.
Huw Davies
huw at codeweavers.com
Fri Mar 11 02:17:52 CST 2022
From: Eric Pouech <eric.pouech at gmail.com>
Signed-off-by: Eric Pouech <eric.pouech at gmail.com>
Signed-off-by: Huw Davies <huw at codeweavers.com>
---
dlls/nsiproxy.sys/icmp_echo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/dlls/nsiproxy.sys/icmp_echo.c b/dlls/nsiproxy.sys/icmp_echo.c
index f36ff156bef..5f2b776745a 100644
--- a/dlls/nsiproxy.sys/icmp_echo.c
+++ b/dlls/nsiproxy.sys/icmp_echo.c
@@ -709,6 +709,7 @@ static NTSTATUS recv_msg( struct icmp_data *data, struct icmp_listen_params *par
TRACE( "recvmsg() rets %d errno %d addr_len %d iovlen %d msg_flags %x\n",
recvd, errno, msg.msg_namelen, (int)iov[0].iov_len, msg.msg_flags );
+ if (recvd < 0) goto skip;
if (!data->ops->parse_ip_hdr( &msg, recvd, &ip_hdr_len, &ctx )) goto skip;
if (recvd < ip_hdr_len + sizeof(*icmp_hdr)) goto skip;
--
2.23.0
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