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| author | Jorge Niedbalski <jorge.niedbalski@canonical.com> | 2016-09-28 18:25:50 -0300 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2016-09-29 05:26:16 -0400 |
| commit | 531ac2b2349da02acc9c382849758e07eb92b020 (patch) | |
| tree | 36b06a5e4f9eb3f8ddf8a7c2029d6cacdf998afb /src/core/manager.c | |
| parent | 831d3dc8d7ab2719c90485274b537f4a7882fe66 (diff) | |
If the notification message length is 0, ignore the message (#4237)
Fixes #4234.
Signed-off-by: Jorge Niedbalski <jnr@metaklass.org>
Diffstat (limited to 'src/core/manager.c')
| -rw-r--r-- | src/core/manager.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/manager.c b/src/core/manager.c index fa8deb9b1b..43e231c328 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -1721,6 +1721,10 @@ 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) { |