[Mesa-dev] [PATCH 1/2] tgsi: fix buffer overflow

Thomas Hindoe Paaboel Andersen phomes at gmail.com
Wed Apr 13 01:06:05 UTC 2016


Increase r to four channels as rgba is written to it
---
 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 fb51051..41dd0f0 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -4011,7 +4011,7 @@ static void
 exec_atomop_buf(struct tgsi_exec_machine *mach,
                 const struct tgsi_full_instruction *inst)
 {
-   union tgsi_exec_channel r[3];
+   union tgsi_exec_channel r[4];
    union tgsi_exec_channel value[4], value2[4];
    float rgba[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
    float rgba2[TGSI_NUM_CHANNELS][TGSI_QUAD_SIZE];
-- 
2.5.5



More information about the mesa-dev mailing list