diff options
| -rw-r--r-- | src/core/manager.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/core/manager.c b/src/core/manager.c index ab65d630a1..66b8904e4e 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -1720,7 +1720,7 @@ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t return 0; } - n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); + n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC|MSG_TRUNC); if (n < 0) { if (IN_SET(errno, EAGAIN, EINTR)) return 0; /* Spurious wakeup, try again */ @@ -1761,7 +1761,7 @@ static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t return 0; } - if ((size_t) n >= sizeof(buf)) { + if ((size_t) n >= sizeof(buf) || (msghdr.msg_flags & MSG_TRUNC)) { log_warning("Received notify message exceeded maximum size. Ignoring."); return 0; } |