From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 8 Aug 2019 16:23:29 +0000 (-0700)
Subject: pan/decode: Resolve crash with NULL attr/varyings
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ad83015cd3c6df7434e69a954bf4e2a950357ba;p=mesa.git

pan/decode: Resolve crash with NULL attr/varyings

This case needs more investigation, but this was found with geometry
shaders.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
---

diff --git a/src/panfrost/pandecode/decode.c b/src/panfrost/pandecode/decode.c
index 78f6da6e56c..60adec59699 100644
--- a/src/panfrost/pandecode/decode.c
+++ b/src/panfrost/pandecode/decode.c
@@ -995,6 +995,11 @@ pandecode_attributes(const struct pandecode_mapped_memory *mem,
 {
         char *prefix = varying ? "varyings" : "attributes";
 
+        if (!addr) {
+                pandecode_msg("no %s\n", prefix);
+                return;
+        }
+
         union mali_attr *attr = pandecode_fetch_gpu_mem(mem, addr, sizeof(union mali_attr) * count);
 
         char base[128];