Bug 210503

Summary: KASAN: no redzones for page allocations
Product: Memory Management Reporter: Andrey Konovalov (andreyknvl)
Component: SanitizersAssignee: MM/Sanitizers virtual assignee (mm_sanitizers)
Status: NEW ---    
Severity: normal CC: kasan-dev
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: upstream Tree: Mainline
Regression: No

Description Andrey Konovalov 2020-12-05 19:01:25 UTC
Page allocations have no redzones, therefore detecting even linear out-of-bounds bugs on those with the generic KASAN is impossible, unless the accessed memory is freed.

Related issue: https://bugzilla.kernel.org/show_bug.cgi?id=203967