fixup! fix(core): validate start + size for buffer ops in more places

ErichDonGubler · ErichDonGubler · commit 8369840078f6 · 2026-02-17T21:24:50.000-05:00
diff --git a/wgpu-core/src/resource.rs b/wgpu-core/src/resource.rs
@@ -610,7 +610,7 @@ impl Buffer {
             return Err((op, BufferAccessError::UnalignedRangeSize { range_size }));
         }
 
-        if offset >= self.size {
+        if offset > self.size {
             return Err((
                 op,
                 BufferAccessError::MapStartOffsetOverrun {

Original file line number	Diff line number	Diff line change
`@@ -610,7 +610,7 @@ impl Buffer {`
`610`	`610`	`return Err((op, BufferAccessError::UnalignedRangeSize { range_size }));`
`611`	`611`	`}`
`612`	`612`
`613`		`- if offset >= self.size {`
	`613`	`+ if offset > self.size {`
`614`	`614`	`return Err((`
`615`	`615`	`op,`
`616`	`616`	`BufferAccessError::MapStartOffsetOverrun {`