31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From 7148c9c26658cefc88e0c17841c2399be36b2361 Mon Sep 17 00:00:00 2001
|
|
From: Jorge Niedbalski <jorge.niedbalski@canonical.com>
|
|
Date: Wed, 28 Sep 2016 18:25:50 -0300
|
|
Subject: [PATCH] If the notification message length is 0, ignore the message
|
|
(#4237)
|
|
|
|
Fixes #4234.
|
|
|
|
Signed-off-by: Jorge Niedbalski <jnr@metaklass.org>
|
|
(cherry picked from commit 531ac2b2349da02acc9c382849758e07eb92b020)
|
|
(cherry picked from commit 2e9b525caa9e3126e54f0d9506d0c36d7d533997)
|
|
---
|
|
src/core/manager.c | 4 ++++
|
|
1 file changed, 4 insertions(+)
|
|
|
|
diff --git a/src/core/manager.c b/src/core/manager.c
|
|
index f36cf5e320..6bd32ed920 100644
|
|
--- a/src/core/manager.c
|
|
+++ b/src/core/manager.c
|
|
@@ -1557,6 +1557,10 @@ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t
|
|
|
|
return -errno;
|
|
}
|
|
+ if (n == 0) {
|
|
+ log_debug("Got zero-length notification message. Ignoring.");
|
|
+ return 0;
|
|
+ }
|
|
|
|
CMSG_FOREACH(cmsg, &msghdr) {
|
|
if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
|