Commit: e5487a81a414e0564a977f442e690f38d9ae4ebf
Author: Jacques Lucke
Date: Mon Mar 21 10:05:39 2022 +0100
Branches: blender-v3.1-release
https://developer.blender.org/rBe5487a81a414e0564a977f442e690f38d9ae4ebf
Fix T96572: eevee crash with motion blur and stereoscopy
This was a use-after-free bug due to dangling pointers.
===================================================================
M source/blender/draw/engines/eevee/eevee_data.c
===================================================================
diff --git a/source/blender/draw/engines/eevee/eevee_data.c
b/source/blender/draw/engines/eevee/eevee_data.c
index 58ea682c060..ab96e2a446f 100644
--- a/source/blender/draw/engines/eevee/eevee_data.c
+++ b/source/blender/draw/engines/eevee/eevee_data.c
@@ -119,10 +119,12 @@ void EEVEE_motion_blur_data_free(EEVEE_MotionBlurData *mb)
for (int i = 0; i < 2; i++) {
if (mb->position_vbo_cache[i]) {
BLI_ghash_free(mb->position_vbo_cache[i], NULL,
(GHashValFreeFP)GPU_vertbuf_discard);
+ mb->position_vbo_cache[i] = NULL;
}
if (mb->hair_motion_step_cache[i]) {
BLI_ghash_free(
mb->hair_motion_step_cache[i], NULL,
(GHashValFreeFP)EEVEE_motion_hair_step_free);
+ mb->hair_motion_step_cache[i] = NULL;
}
}
}
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