summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTom Gundersen <teg@jklm.no>2014-09-17 21:44:56 +0200
committerTom Gundersen <teg@jklm.no>2014-09-17 22:19:53 +0200
commit3f796750b192e62701e91a95f85389f876d1059b (patch)
treef8ee60512e013ed342166e6413ed1209d0a0971d
parent4cd5d5adb6a573d8ffb336b82325e5f2bb188381 (diff)
udev: event - explicitly don't read() from invalid fd
This fixes CID #1237641.
-rw-r--r--src/udev/udev-event.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 6b8b5a8efa..c8b142077e 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -494,6 +494,9 @@ static void spawn_read(struct udev_event *event,
for (i = 0; i < fdcount; i++) {
int *fd = (int *)ev[i].data.ptr;
+ if (*fd < 0)
+ continue;
+
if (ev[i].events & EPOLLIN) {
ssize_t count;
char buf[4096];