[Mesa-dev] [PATCH] r600: Fix stack overflow

[Bartosz Tomczyk]

Commit 7b5878ee0491e7a93914389a8369cd6752b9757d increased number of
outputs to 64, but left output array intact. This caused stack overflow
when number of outputs is bigger then 32. Found by ASAN.
---
 src/gallium/drivers/r600/r600_shader.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index b692e7f4a1..b80a3f8b62 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -2924,7 +2924,7 @@ static int r600_shader_from_tgsi(struct r600_context *rctx,
 	struct pipe_stream_output_info so = pipeshader->selector->so;
 	struct tgsi_full_immediate *immediate;
 	struct r600_shader_ctx ctx;
-	struct r600_bytecode_output output[32];
+	struct r600_bytecode_output output[ARRAY_SIZE(shader->output)];
 	unsigned output_done, noutput;
 	unsigned opcode;
 	int i, j, k, r = 0;
-- 
2.11.0