Commit: 3f53b463676d5bd15ed475408edbb21b72f74218
Author: Jeroen Bakker
Date: Fri Jan 13 14:09:18 2023 +0100
Branches: temp-T101739-fix-seam-bleeding-non-manifold
https://developer.blender.org/rB3f53b463676d5bd15ed475408edbb21b72f74218
Fix out of bounds access.
===================================================================
M source/blender/blenkernel/intern/pbvh_pixels_copy.cc
===================================================================
diff --git a/source/blender/blenkernel/intern/pbvh_pixels_copy.cc
b/source/blender/blenkernel/intern/pbvh_pixels_copy.cc
index 1fc553097f2..74db2c457b6 100644
--- a/source/blender/blenkernel/intern/pbvh_pixels_copy.cc
+++ b/source/blender/blenkernel/intern/pbvh_pixels_copy.cc
@@ -483,9 +483,11 @@ struct Rows {
const CopyPixelGroup &group)
{
CopyPixelCommand last_command(group);
- for (const DeltaCopyPixelCommand &item : Span<const
DeltaCopyPixelCommand>(
- &tile_pixels.command_deltas[group.start_delta_index],
group.num_deltas)) {
- last_command.apply(item);
+ if (group.num_deltas) {
+ for (const DeltaCopyPixelCommand &item : Span<const
DeltaCopyPixelCommand>(
+ &tile_pixels.command_deltas[group.start_delta_index],
group.num_deltas)) {
+ last_command.apply(item);
+ }
}
return last_command;
}
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