Bug 210503

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

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