Bug 210503 - KASAN: no redzones for page allocations
Summary: KASAN: no redzones for page allocations
Status: NEW
Alias: None
Product: Memory Management
Classification: Unclassified
Component: Sanitizers (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: MM/Sanitizers virtual assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-12-05 19:01 UTC by Andrey Konovalov
Modified: 2020-12-05 19:01 UTC (History)
1 user (show)

See Also:
Kernel Version: upstream
Tree: Mainline
Regression: No


Attachments

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

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