svm: fix ASAN annotations for external chunks
Chunks can be allocated from another process. We need to manually
mark them as accessible for ASAN.
Type: fix
Change-Id: Ifbeef3346e9cee2c1231f80cbcf7f9673b5b54be
Signed-off-by: Benoît Ganne <bganne@cisco.com>
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index 22cb64e..d49cbe2 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -70,6 +70,8 @@
c = c->next;
while ((to_copy -= n_chunk))
{
+ CLIB_MEM_UNPOISON (c, sizeof (*c));
+ CLIB_MEM_UNPOISON (c->data, c->length);
n_chunk = clib_min (c->length, to_copy);
clib_memcpy_fast (dst + (len - to_copy), &c->data[0], n_chunk);
c = c->length <= to_copy ? c->next : c;
@@ -1054,6 +1056,7 @@
len = clib_min (cursize - offset, len);
head_idx = head + offset;
+ CLIB_MEM_UNPOISON (f->ooo_deq, sizeof (*f->ooo_deq));
if (!f->ooo_deq || !f_chunk_includes_pos (f->ooo_deq, head_idx))
f_update_ooo_deq (f, head_idx, head_idx + len);