In rare cases, the path to the daemon socket cannot be created as it is
longer than PATH_MAX. Instead of failing with a NULL pointer dereference,
terminate the application with an error message.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Signed-off-by: Norbert Manthey <nmant...@amazon.de>
Reviewed-by: Thomas Friebel <frieb...@amazon.de>
Reviewed-by: Julien Grall <jgr...@amazon.co.uk>
---
tools/xenstore/xenstored_core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -1996,6 +1996,9 @@ static void init_sockets(void)
struct sockaddr_un addr;
const char *soc_str = xs_daemon_socket();
+ if (!soc_str)
+ barf_perror("Failed to obtain xs domain socket");
+
/* Create sockets for them to listen to. */
atexit(destroy_fds);
sock = socket(PF_UNIX, SOCK_STREAM, 0);
--
2.17.1
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Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Jonathan Weiss
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879
