rawhide: fixup post merge
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From 8647ee8f422e1ea9212d84ae14ef2163793bcdc8 Mon Sep 17 00:00:00 2001
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From: Dave Airlie <airlied@gmail.com>
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Date: Wed, 10 Apr 2013 16:09:01 +1000
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Subject: [PATCH] xf86: fix flush input to work with Linux evdev devices.
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So when we VT switch back and attempt to flush the input devices,
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we don't succeed because evdev won't return part of an event,
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since we were only asking for 4 bytes, we'd only get -EINVAL back.
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This could later cause events to be flushed that we shouldn't have
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gotten.
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This is a fix for CVE-2013-1940.
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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---
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hw/xfree86/os-support/shared/posix_tty.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/hw/xfree86/os-support/shared/posix_tty.c b/hw/xfree86/os-support/shared/posix_tty.c
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index ab3757a..4d08c1e 100644
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--- a/hw/xfree86/os-support/shared/posix_tty.c
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+++ b/hw/xfree86/os-support/shared/posix_tty.c
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@@ -421,7 +421,8 @@ xf86FlushInput(int fd)
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{
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fd_set fds;
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struct timeval timeout;
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- char c[4];
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+ /* this needs to be big enough to flush an evdev event. */
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+ char c[256];
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DebugF("FlushingSerial\n");
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if (tcflush(fd, TCIFLUSH) == 0)
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--
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1.8.1.4
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@ -114,11 +114,6 @@ Patch7064: 0001-mieq-Bump-default-queue-size-to-512.patch
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Patch7071: 0001-os-use-libunwind-to-generate-backtraces.patch
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Patch7071: 0001-os-use-libunwind-to-generate-backtraces.patch
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%endif
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%endif
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# Bug 950438 - CVE-2013-1940 xorg-x11-server:
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# Information disclosure due enabling events from hot-plug devices despite
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# input from the device being momentarily disabled
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Patch7072: 0001-xf86-fix-flush-input-to-work-with-Linux-evdev-device.patch
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%global moduledir %{_libdir}/xorg/modules
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%global moduledir %{_libdir}/xorg/modules
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%global drimoduledir %{_libdir}/dri
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%global drimoduledir %{_libdir}/dri
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%global sdkdir %{_includedir}/xorg
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%global sdkdir %{_includedir}/xorg
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