Commit: 817e2796cbe4c6e115c8a4b6bf535017043be930
Author: Sybren A. Stüvel
Date: Tue Jul 9 16:22:52 2019 +0200
Branches: master
https://developer.blender.org/rB817e2796cbe4c6e115c8a4b6bf535017043be930
Fix T52814 and T58686: Alembic crashing on fluid sim export
The velocities std::vector was allocated in too narrow a scope, causing
use-after-free errors.
===================================================================
M source/blender/alembic/intern/abc_mesh.cc
===================================================================
diff --git a/source/blender/alembic/intern/abc_mesh.cc
b/source/blender/alembic/intern/abc_mesh.cc
index 7f7afe0ce5e..0ff3360d644 100644
--- a/source/blender/alembic/intern/abc_mesh.cc
+++ b/source/blender/alembic/intern/abc_mesh.cc
@@ -409,6 +409,7 @@ void AbcGenericMeshWriter::writeMesh(struct Mesh *mesh)
{
std::vector<Imath::V3f> points, normals;
std::vector<int32_t> poly_verts, loop_counts;
+ std::vector<Imath::V3f> velocities;
bool smooth_normal = false;
@@ -458,9 +459,7 @@ void AbcGenericMeshWriter::writeMesh(struct Mesh *mesh)
}
if (m_is_liquid) {
- std::vector<Imath::V3f> velocities;
getVelocities(mesh, velocities);
-
m_mesh_sample.setVelocities(V3fArraySample(velocities));
}
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