virglrenderer/backport-CVE-2020-8002.patch
AlexChen a73ef2ed87 fix CVE-2020-8002 CVE-2020-8003
Signed-off-by: AlexChen <alex.chen@huawei.com>
2022-03-02 00:12:02 +08:00

35 lines
986 B
Diff

From 63bcca251f093d83da7e290ab4bbd38ae69089b5 Mon Sep 17 00:00:00 2001
From: Gert Wollny <gert.wollny@collabora.com>
Date: Wed, 15 Jan 2020 13:43:58 +0100
Subject: [PATCH] vrend: Don't try launching a grid if no CS is available
Closes #155
Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
---
src/vrend_renderer.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/vrend_renderer.c b/src/vrend_renderer.c
index a054bad..2280fc4 100644
--- a/src/vrend_renderer.c
+++ b/src/vrend_renderer.c
@@ -4604,6 +4604,13 @@ void vrend_launch_grid(struct vrend_context *ctx,
}
ctx->sub->shader_dirty = true;
}
+
+ if (!ctx->sub->prog) {
+ fprintf(stderr, "%s: Skipping compute shader execution due to missing shaders: %s\n",
+ __func__, ctx->debug_name);
+ return;
+ }
+
vrend_use_program(ctx, ctx->sub->prog->id);
int sampler_id = 0, ubo_id = 0;
--
2.27.0