diff options
| author | Jens Wiklander <jens.wiklander@linaro.org> | 2017-09-08 10:37:57 +0200 |
|---|---|---|
| committer | Jérôme Forissier <jerome.forissier@linaro.org> | 2017-09-14 08:42:20 -0500 |
| commit | 726ce13ed5a218e55d4dbebe2ae5e25e16e4b564 (patch) | |
| tree | 1701fc9e143231165dae676ca3b09394fbaaa54f /core/kernel | |
| parent | e103c301ffc0e1393834c45cc64c6978ddb6ad8f (diff) | |
core: asan: fix check_access()
Prior to this patch the for loop in check_access() that checks the
access in the shadow area is skipping accesses smaller than a ASAN block
(8 bytes). This patch fixes that problem and checks also smaller
accesses.
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'core/kernel')
| -rw-r--r-- | core/kernel/asan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/kernel/asan.c b/core/kernel/asan.c index 86dff1ba..c1008887 100644 --- a/core/kernel/asan.c +++ b/core/kernel/asan.c @@ -182,8 +182,8 @@ static void check_access(vaddr_t addr, size_t size) if (!va_range_inside_shadow(begin, end)) panic(); - e = va_to_shadow(end); - for (a = va_to_shadow(begin); a != e; a++) + e = va_to_shadow((void *)(addr + size - 1)); + for (a = va_to_shadow(begin); a <= e; a++) if (*a < 0) panic(); |