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Fix crash with NVIDIA proprietary driver with Present

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Resolves: #2046330
This commit is contained in:
Olivier Fourdan 2022-01-28 16:37:53 +01:00
parent 631c5917b6
commit 3a058a562d
2 changed files with 50 additions and 1 deletions
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43
0001-present-Check-for-NULL-to-prevent-crash.patch Normal file
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@ -0,0 +1,43 @@
From 94b4a3d45451d29e9539ea234ce8b5e9ed58546c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C5=82a=C5=BCej=20Szczygie=C5=82?= <spaz16@wp.pl>
Date: Thu, 13 Jan 2022 00:47:27 +0100
Subject: [PATCH xserver] present: Check for NULL to prevent crash
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Closes: https://gitlab.freedesktop.org/xorg/xserver/-/issues/1275
Signed-off-by: Błażej Szczygieł <spaz16@wp.pl>
Tested-by: Aaron Plattner <aplattner@nvidia.com>
(cherry picked from commit 22d5818851967408bb7c903cb345b7ca8766094c)
---
present/present_scmd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/present/present_scmd.c b/present/present_scmd.c
index 3c68e690b..11391adbb 100644
--- a/present/present_scmd.c
+++ b/present/present_scmd.c
@@ -168,6 +168,9 @@ present_scmd_get_crtc(present_screen_priv_ptr screen_priv, WindowPtr window)
if (!screen_priv->info)
return NULL;
+ if (!screen_priv->info->get_crtc)
+ return NULL;
+
return (*screen_priv->info->get_crtc)(window);
}
@@ -206,6 +209,9 @@ present_flush(WindowPtr window)
if (!screen_priv->info)
return;
+ if (!screen_priv->info->flush)
+ return;
+
(*screen_priv->info->flush) (window);
}
--
2.34.1

8
xorg-x11-server.spec
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@ -42,7 +42,7 @@
Summary: X.Org X11 X server
Name: xorg-x11-server
Version: 1.20.11
Release: 8%{?gitdate:.%{gitdate}}%{?dist}
Release: 9%{?gitdate:.%{gitdate}}%{?dist}
URL: http://www.x.org
License: MIT
@ -109,6 +109,9 @@ Patch109: 0009-modesetting-Use-EGL_MESA_query_driver-to-select-DRI-.patch
Patch110: 0010-modesetting-Fix-build-with-glamor-disabled.patch
# Because we still use automake
Patch111: 0011-modesetting-set-gbm-as-dependency-for-autotools.patch
# Xorg crashes with NVIDIA proprietary driver when uisng Present
# https://bugzilla.redhat.com/show_bug.cgi?id=2046330
Patch112: 0001-present-Check-for-NULL-to-prevent-crash.patch
# CVE-2021-4011
Patch10009: 0001-record-Fix-out-of-bounds-access-in-SwapCreateRegiste.patch
@ -529,6 +532,9 @@ find %{inst_srcdir}/hw/xfree86 -name \*.c -delete
%changelog
* Fri Jan 28 2022 Olivier Fourdan <ofourdan@redhat.com> - 1.20.11-9
- Fix crash with NVIDIA proprietary driver with Present (#2046330)
* Wed Jan 26 2022 Adam Jackson <ajax@redhat.com> - 1.20.11-8
- Only disable the PCI-specific driver probe, since we do still want fallback
to fbdev to work.