25 lines
873 B
Diff
25 lines
873 B
Diff
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From 3f796750b192e62701e91a95f85389f876d1059b Mon Sep 17 00:00:00 2001
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From: Tom Gundersen <teg@jklm.no>
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Date: Wed, 17 Sep 2014 21:44:56 +0200
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Subject: [PATCH] udev: event - explicitly don't read() from invalid fd
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This fixes CID #1237641.
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---
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src/udev/udev-event.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
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index 6b8b5a8efa..c8b142077e 100644
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--- a/src/udev/udev-event.c
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+++ b/src/udev/udev-event.c
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@@ -494,6 +494,9 @@ static void spawn_read(struct udev_event *event,
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for (i = 0; i < fdcount; i++) {
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int *fd = (int *)ev[i].data.ptr;
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+ if (*fd < 0)
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+ continue;
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+
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if (ev[i].events & EPOLLIN) {
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ssize_t count;
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char buf[4096];
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