From: Kevin Rogovin <[email protected]>
Signed-off-by: Kevin Rogovin <[email protected]>
---
src/mesa/drivers/dri/i965/intel_batchbuffer.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index 91a6506..549ea3e 100644
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -758,6 +758,7 @@ execbuffer(int fd,
};
unsigned long cmd = DRM_IOCTL_I915_GEM_EXECBUFFER2;
+ bool detected_out_of_bounds_write = false;
if (in_fence != -1) {
execbuf.rsvd2 = in_fence;
@@ -787,6 +788,20 @@ execbuffer(int fd,
batch->validation_list[i].offset);
bo->gtt_offset = batch->validation_list[i].offset;
}
+
+ if (unlikely(INTEL_DEBUG & DEBUG_OUT_OF_BOUND_CHK)) {
+ if (!brw_bo_padding_is_good(bo)) {
+ detected_out_of_bounds_write = true;
+ fprintf(stderr,
+ "Detected buffer out-of-bounds write from brw_bo %p "
+ "(GEM %u, label = \"%s\")\n",
+ bo, bo->gem_handle, bo->name);
+ }
+ }
+ }
+
+ if (unlikely(detected_out_of_bounds_write)) {
+ abort();
}
if (ret == 0 && out_fence != NULL)
--
2.7.4
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