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linux/mm/kfence
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Marco Elver 0aa41cae92 kfence: fix reports if constant function prefixes exist 
Some architectures prefix all functions with a constant string ('.' on
ppc64).  Add ARCH_FUNC_PREFIX, which may optionally be defined in
<asm/kfence.h>, so that get_stack_skipnr() can work properly.

Link: https://lkml.kernel.org/r/f036c53d-7e81-763c-47f4-6024c6c5f058@csgroup.eu
Link: https://lkml.kernel.org/r/20210304144000.1148590-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Reported-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: 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>
2021-03-13 11:27:30 -08:00
..
core.c kfence: report sensitive information based on no_hash_pointers 2021-02-26 09:41:02 -08:00
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