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-rw-r--r--main/xen/xsa209-qemuu-0001-display-cirrus-ignore-source-pitch-value-as-needed-i.patch72
1 files changed, 0 insertions, 72 deletions
diff --git a/main/xen/xsa209-qemuu-0001-display-cirrus-ignore-source-pitch-value-as-needed-i.patch b/main/xen/xsa209-qemuu-0001-display-cirrus-ignore-source-pitch-value-as-needed-i.patch
deleted file mode 100644
index 95f522c3d5..0000000000
--- a/main/xen/xsa209-qemuu-0001-display-cirrus-ignore-source-pitch-value-as-needed-i.patch
+++ /dev/null
@@ -1,72 +0,0 @@
-From 52b7f43c8fa185ab856bcaacda7abc9a6fc07f84 Mon Sep 17 00:00:00 2001
-From: Bruce Rogers <brogers@suse.com>
-Date: Tue, 21 Feb 2017 10:54:38 -0800
-Subject: [PATCH 1/2] display: cirrus: ignore source pitch value as needed in
- blit_is_unsafe
-
-Commit 4299b90 added a check which is too broad, given that the source
-pitch value is not required to be initialized for solid fill operations.
-This patch refines the blit_is_unsafe() check to ignore source pitch in
-that case. After applying the above commit as a security patch, we
-noticed the SLES 11 SP4 guest gui failed to initialize properly.
-
-Signed-off-by: Bruce Rogers <brogers@suse.com>
-Message-id: 20170109203520.5619-1-brogers@suse.com
-Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
----
- tools/qemu-xen/hw/display/cirrus_vga.c | 11 +++++++----
- 1 file changed, 7 insertions(+), 4 deletions(-)
-
-diff --git a/tools/qemu-xen/hw/display/cirrus_vga.c b/tools/qemu-xen/hw/display/cirrus_vga.c
-index 7bf3707..34a6900 100644
---- a/tools/qemu-xen/hw/display/cirrus_vga.c
-+++ b/tools/qemu-xen/hw/display/cirrus_vga.c
-@@ -288,7 +288,7 @@ static bool blit_region_is_unsafe(struct CirrusVGAState *s,
- return false;
- }
-
--static bool blit_is_unsafe(struct CirrusVGAState *s)
-+static bool blit_is_unsafe(struct CirrusVGAState *s, bool dst_only)
- {
- /* should be the case, see cirrus_bitblt_start */
- assert(s->cirrus_blt_width > 0);
-@@ -302,6 +302,9 @@ static bool blit_is_unsafe(struct CirrusVGAState *s)
- s->cirrus_blt_dstaddr & s->cirrus_addr_mask)) {
- return true;
- }
-+ if (dst_only) {
-+ return false;
-+ }
- if (blit_region_is_unsafe(s, s->cirrus_blt_srcpitch,
- s->cirrus_blt_srcaddr & s->cirrus_addr_mask)) {
- return true;
-@@ -667,7 +670,7 @@ static int cirrus_bitblt_common_patterncopy(CirrusVGAState * s,
-
- dst = s->vga.vram_ptr + (s->cirrus_blt_dstaddr & s->cirrus_addr_mask);
-
-- if (blit_is_unsafe(s))
-+ if (blit_is_unsafe(s, false))
- return 0;
-
- (*s->cirrus_rop) (s, dst, src,
-@@ -685,7 +688,7 @@ static int cirrus_bitblt_solidfill(CirrusVGAState *s, int blt_rop)
- {
- cirrus_fill_t rop_func;
-
-- if (blit_is_unsafe(s)) {
-+ if (blit_is_unsafe(s, true)) {
- return 0;
- }
- rop_func = cirrus_fill[rop_to_index[blt_rop]][s->cirrus_blt_pixelwidth - 1];
-@@ -784,7 +787,7 @@ static void cirrus_do_copy(CirrusVGAState *s, int dst, int src, int w, int h)
-
- static int cirrus_bitblt_videotovideo_copy(CirrusVGAState * s)
- {
-- if (blit_is_unsafe(s))
-+ if (blit_is_unsafe(s, false))
- return 0;
-
- cirrus_do_copy(s, s->cirrus_blt_dstaddr - s->vga.start_addr,
---
-2.1.4
-