qemu/vga-fix-cirrus-bios.patch

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Accepting request 822154 from home:bfrogers:branches:Virtualization - Updating to Sphinx v3.1.2 in Factory is exposing an issue in qemu doc sources. Fix it docs-fix-trace-docs-build-with-sphinx-3..patch - Fix DoS possibility in ati-vga emulation (CVE-2020-13800 bsc#1172495) ati-vga-check-mm_index-before-recursive-.patch - Fix DoS possibility in Network Block Device (nbd) support infrastructure (CVE-2020-10761 bsc#1172710) nbd-server-Avoid-long-error-message-asse.patch - Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386) exec-set-map-length-to-zero-when-returni.patch - Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383) megasas-use-unsigned-type-for-reply_queu.patch - Fix legacy IGD passthrough hw-vfio-pci-quirks-Fix-broken-legacy-IGD.patch - The latest gcc10 available in Factory has the fix for the issue this patch was created to avoid, so drop it build-Work-around-gcc10-bug-by-not-using.patch - Switch to upstream versions of some patches we carry add-enum-cast-to-avoid-gcc10-warning.patch -> golan-Add-explicit-type-casts-for-nodnic.patch Be-explicit-about-fcommon-compiler-direc.patch -> build-Be-explicit-about-fcommon-compiler.patch Do-not-apply-WORKAROUND_CFLAGS-for-host-.patch -> build-Do-not-apply-WORKAROUND_CFLAGS-for.patch Fix-s-directive-argument-is-null-error.patch -> build-Fix-s-directive-argument-is-null-e.patch Workaround-compilation-error-with-gcc-9..patch -> build-Workaround-compilation-error-with-.patch work-around-gcc10-problem-with-zero-leng.patch -> intel-Avoid-spurious-compiler-warning-on.patch - Fix vgabios issue for cirrus graphics emulation, which effectively downgraded it to standard VGA behavior vga-fix-cirrus-bios.patch - Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384) es1370-check-total-frame-count-against-c.patch OBS-URL: https://build.opensuse.org/request/show/822154 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=553
2020-07-22 06:19:22 +02:00
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 25 Jun 2020 11:17:09 +0200
Subject: vga: fix cirrus bios
Git-commit: d11c75185276ded944f2ea0277532b7fee849bbc
Little mistake, big effect. The patch adding the ati driver broke
cirrus due to a missing "else", which effectively downgrades cirrus
to standard vga.
Fixes: 34b6ecc16074 ("vga: add atiext driver")
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
vgasrc/vgahw.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/roms/seabios/vgasrc/vgahw.h b/roms/seabios/vgasrc/vgahw.h
index c774f4f2c6b7c8012096bac2f0ed..8b64660e5ef70d71b440013300bc 100644
--- a/roms/seabios/vgasrc/vgahw.h
+++ b/roms/seabios/vgasrc/vgahw.h
@@ -36,7 +36,7 @@ static inline int vgahw_set_mode(struct vgamode_s *vmode_g, int flags) {
static inline void vgahw_list_modes(u16 seg, u16 *dest, u16 *last) {
if (CONFIG_VGA_CIRRUS)
clext_list_modes(seg, dest, last);
- if (CONFIG_VGA_ATI)
+ else if (CONFIG_VGA_ATI)
ati_list_modes(seg, dest, last);
else if (CONFIG_VGA_BOCHS)
bochsvga_list_modes(seg, dest, last);