pierrelf.com / we
we (web engine): Experimental web browser project to understand the limits of Claude
2
fork

Configure Feed

Select the types of activity you want to include in your feed.

Validate data slice length before Metal texture upload

Prevents potential out-of-bounds read by checking that the data slice
is at least bytes_per_row * height before passing it to Metal's
replaceRegion:withBytes:bytesPerRow: API.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

authored by

Pierre Le Fevre
Claude Opus 4.6 (1M context) and committed by tangled.org 044fa4fe aa7dc2e6

+5
+5
crates/platform/src/metal.rs
··· 549 549 return None; 550 550 } 551 551 552 + let required = bytes_per_row as usize * height as usize; 553 + if data.len() < required { 554 + return None; 555 + } 556 + 552 557 let cls = class!("MTLTextureDescriptor")?; 553 558 let desc: *mut c_void = msg_send![ 554 559 cls.as_ptr(),