Module: Mesa
Branch: master
Commit: 05902a668611094ec876929fc2dfe1172043e4b9
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=05902a668611094ec876929fc2dfe1172043e4b9
Author: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Date: Thu Mar 31 10:54:17 2016 +0200
tgsi: fix out of bounds access in exec_atomop()
The number of channels must be 4 for all RGBA components.
Fixes: 22d129601 ("tgsi: add support for image operations to tgsi_exec. (v2.1)")
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
Reviewed-by: Brian Paul <bri...@vmware.com>
Reviewed-by: Dave Airlie <airl...@redhat.com>
---
src/gallium/auxiliary/tgsi/tgsi_exec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c
b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index e7f080e..72d8c5a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -3853,7 +3853,7 @@ static void
exec_atomop(struct tgsi_exec_machine *mach,
const struct tgsi_full_instruction *inst)
{
- union tgsi_exec_channel r[3], sample_r;
+ union tgsi_exec_channel r[4], sample_r;
union tgsi_exec_channel value[4], value2[4];
float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
float rgba2[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
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