Prefaulting may generate asan error.
Signed-off-by: Alex Michon <amic...@kalrayinc.com>
---
.mailmap | 1 +
lib/eal/linux/eal_memalloc.c | 5 +++++
2 files changed, 6 insertions(+)
diff --git a/.mailmap b/.mailmap
index 3f3f0442e5..b1655a4080 100644
--- a/.mailmap
+++ b/.mailmap
@@ -60,6 +60,7 @@ Alexey Kardashevskiy <a...@ozlabs.ru>
Alex Kiselev <a...@bisonrouter.com> <a...@therouter.net>
Alex Marginean <alexandru.margin...@nxp.com>
Alex Markuze <a...@weka.io>
+Alex Michon <amic...@kalrayinc.com>
Alex Porosanu <alexandru.poros...@nxp.com>
Alex Rosenbaum <al...@nvidia.com> <al...@mellanox.com>
Alex Vesker <va...@nvidia.com>
diff --git a/lib/eal/linux/eal_memalloc.c b/lib/eal/linux/eal_memalloc.c
index e354efc95d..b9c631ea88 100644
--- a/lib/eal/linux/eal_memalloc.c
+++ b/lib/eal/linux/eal_memalloc.c
@@ -38,6 +38,8 @@
#include "eal_memcfg.h"
#include "eal_private.h"
+#include "malloc_elem.h"
+
const int anonymous_hugepages_supported =
#ifdef MAP_HUGE_SHIFT
1;
@@ -636,6 +638,9 @@ alloc_seg(struct rte_memseg *ms, void *addr, int socket_id,
goto mapped;
}
+ /* Ensure the prefault doesn't trigger ASAN errors */
+ asan_set_zone(addr, alloc_sz, 0);
+
/* we need to trigger a write to the page to enforce page fault and
* ensure that page is accessible to us, but we can't overwrite value
* that is already there, so read the old value, and write itback.
--
2.17.1
