Marco Elver 94868a1e12 kfence: zero guard page after out-of-bounds access ... After an out-of-bounds accesses, zero the guard page before re-protecting in kfence_guarded_free(). On one hand this helps make the failure mode of subsequent out-of-bounds accesses more deterministic, but could also prevent certain information leaks. Link: https://lkml.kernel.org/r/20210312121653.348518-1-elver@google.com Signed-off-by: Marco Elver <elver@google.com> Acked-by: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Konovalov <andreyknvl@google.com> Cc: Jann Horn <jannh@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2021-05-05 11:27:27 -07:00
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core.c	kfence: zero guard page after out-of-bounds access	2021-05-05 11:27:27 -07:00
kfence_test.c	kfence: report sensitive information based on no_hash_pointers	2021-02-26 09:41:02 -08:00
kfence.h	kfence: report sensitive information based on no_hash_pointers	2021-02-26 09:41:02 -08:00
Makefile	kfence: add test suite	2021-02-26 09:41:02 -08:00
report.c	kfence: fix reports if constant function prefixes exist	2021-03-13 11:27:30 -08:00