diff options
Diffstat (limited to 'lib/string.c')
-rw-r--r-- | lib/string.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/lib/string.c b/lib/string.c index 733b567300..003070fa53 100644 --- a/lib/string.c +++ b/lib/string.c @@ -505,7 +505,7 @@ char *strswab(const char *s) * * Do not use memset() to access IO space, use memset_io() instead. */ -void *__default_memset(void * s,int c,size_t count) +void *__default_memset(void * s, int c, size_t count) { char *xs = (char *) s; @@ -516,8 +516,20 @@ void *__default_memset(void * s,int c,size_t count) } EXPORT_SYMBOL(__default_memset); +void __no_sanitize_address *__nokasan_default_memset(void * s, int c, size_t count) +{ + char *xs = (char *) s; + + while (count--) + *xs++ = c; + + return s; +} +EXPORT_SYMBOL(__nokasan_default_memset); + #ifndef __HAVE_ARCH_MEMSET void *memset(void *s, int c, size_t count) __alias(__default_memset); +void *__memset(void *s, int c, size_t count) __alias(__default_memset); #endif /** @@ -529,7 +541,7 @@ void *memset(void *s, int c, size_t count) __alias(__default_memset); * You should not use this function to access IO space, use memcpy_toio() * or memcpy_fromio() instead. */ -void *__default_memcpy(void * dest,const void *src,size_t count) +void *__default_memcpy(void * dest,const void *src, size_t count) { char *tmp = (char *) dest, *s = (char *) src; @@ -538,11 +550,25 @@ void *__default_memcpy(void * dest,const void *src,size_t count) return dest; } -EXPORT_SYMBOL(memcpy); +EXPORT_SYMBOL(__default_memcpy); + +void __no_sanitize_address *__nokasan_default_memcpy(void * dest, + const void *src, size_t count) +{ + char *tmp = (char *) dest, *s = (char *) src; + + while (count--) + *tmp++ = *s++; + + return dest; +} +EXPORT_SYMBOL(__nokasan_default_memcpy); #ifndef __HAVE_ARCH_MEMCPY void *memcpy(void * dest, const void *src, size_t count) __alias(__default_memcpy); +void *__memcpy(void * dest, const void *src, size_t count) + __alias(__default_memcpy); #endif |