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svm: fix high segment base address for ASan

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AddressSanitizer has specific requirements on memory map. In particular,
the range [0x00007fff8000, 0x10007fff7fff] is reserved for ASan use.

Type: fix
Fixes: f260eb9786

Change-Id: Ie96c4dd88b4f02d7fc5c24464572ff72cb6fd96b
Signed-off-by: Benoît Ganne <bganne@cisco.com>
This commit is contained in:
Benoît Ganne
2020-11-17 17:58:59 +01:00
committed by Florin Coras
parent 2064047b9e
commit e3e9d8af46
1 changed files with 1 additions and 1 deletions
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2
src/svm/svm_common.h
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@ -82,7 +82,7 @@ typedef struct svm_map_region_args_
*/ */
#if __WORDSIZE == 64 #if __WORDSIZE == 64
#ifdef CLIB_SANITIZE_ADDR #ifdef CLIB_SANITIZE_ADDR
#define HIGH_SEGMENT_BASEVA 0x2000000000 #define HIGH_SEGMENT_BASEVA 0x300000000000 /* DO NOT CHANGE THIS: YOU'LL BREAK ASAN */
#else /* CLIB_SANITIZE_ADDR */ #else /* CLIB_SANITIZE_ADDR */
#define HIGH_SEGMENT_BASEVA (128ULL << 30) /* 128GB */ #define HIGH_SEGMENT_BASEVA (128ULL << 30) /* 128GB */
#endif /* CLIB_SANITIZE_ADDR */ #endif /* CLIB_SANITIZE_ADDR */