Mesa (master): pan/midgard: Fix memory corruption in constant combining
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Thu Jan 2 23:03:49 UTC 2020
Module: Mesa
Branch: master
Commit: c298f25c4efb71b461ef0a93cdc20c468afc7511
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c298f25c4efb71b461ef0a93cdc20c468afc7511
Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date: Thu Jan 2 13:44:40 2020 -0500
pan/midgard: Fix memory corruption in constant combining
It's a long story... but we'd try to insert constants that weren't there
and end up clobbering fields in the bundle following the constant
array...
Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
---
src/panfrost/midgard/midgard_schedule.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/panfrost/midgard/midgard_schedule.c b/src/panfrost/midgard/midgard_schedule.c
index d4239157ead..a78bb901b43 100644
--- a/src/panfrost/midgard/midgard_schedule.c
+++ b/src/panfrost/midgard/midgard_schedule.c
@@ -415,7 +415,7 @@ mir_adjust_constants(midgard_instruction *ins,
/* If the constant is new, check ourselves */
for (unsigned j = 0; j < i; ++j) {
- if (constants[j] == constants[i]) {
+ if (constants[j] == constants[i] && (mask & (1 << j))) {
ok = true;
break;
}
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