The vhost-user-bridge binary accepts a UNIX socket path on
the command line. Sanity check that this is short enough to
fit into a sockaddr_un before copying it in.
Fixes: Coverity CID 1432866
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
tests/vhost-user-bridge.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tests/vhost-user-bridge.c b/tests/vhost-user-bridge.c
index 24815920b2b..cb009545fa5 100644
--- a/tests/vhost-user-bridge.c
+++ b/tests/vhost-user-bridge.c
@@ -540,6 +540,11 @@ vubr_new(const char *path, bool client)
CallbackFunc cb;
size_t len;
+ if (strlen(path) >= sizeof(un.sun_path)) {
+ fprintf(stderr, "unix domain socket path '%s' is too long\n", path);
+ exit(1);
+ }
+
/* Get a UNIX socket. */
dev->sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (dev->sock == -1) {
--
2.20.1