summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2018-12-01 07:31:56 +0000
committerDongkyun Son <dongkyun.s@samsung.com>2019-07-22 11:56:46 +0000
commit7810f4013db4b6ec8108a4a1c66a1ec2d8a9f377 (patch)
tree12c6ed87d66b1f442d7118d9aa598805fc9fd9d5
parent2135d204d97bb02bc9c006efe92ef1347ea0c0d2 (diff)
downloadlinaro-gcc-7810f4013db4b6ec8108a4a1c66a1ec2d8a9f377.tar.gz
linaro-gcc-7810f4013db4b6ec8108a4a1c66a1ec2d8a9f377.tar.bz2
linaro-gcc-7810f4013db4b6ec8108a4a1c66a1ec2d8a9f377.zip
PR sanitizer/88289
* asan.c (asan_redzone_buffer::flush_redzone_payload): Fix up an off-by-one for BYTES_BIG_ENDIAN. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@266708 138bc75d-0d04-0410-961f-82ee72b054a4 (cherry picked ef0c2db0d6a9d324bca1f4d2d4478034a63d54a7) Change-Id: Ied661ed605dc4d060c78e5c6db31763fd35e77e1
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/asan.c2
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6513b90c47f..2dd219f4ce3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2018-12-01 Jakub Jelinek <jakub@redhat.com>
+ PR sanitizer/88289
+ * asan.c (asan_redzone_buffer::flush_redzone_payload): Fix up
+ an off-by-one for BYTES_BIG_ENDIAN.
+
2018-11-30 Martin Liska <mliska@suse.cz>
PR sanitizer/81715
diff --git a/gcc/asan.c b/gcc/asan.c
index 793da99cd2b..3a20723f15c 100644
--- a/gcc/asan.c
+++ b/gcc/asan.c
@@ -1142,7 +1142,7 @@ asan_redzone_buffer::flush_redzone_payload (void)
for (unsigned i = 0; i < RZ_BUFFER_SIZE; i++)
{
unsigned char v
- = m_shadow_bytes[BYTES_BIG_ENDIAN ? RZ_BUFFER_SIZE - i : i];
+ = m_shadow_bytes[BYTES_BIG_ENDIAN ? RZ_BUFFER_SIZE - i - 1 : i];
val |= (unsigned HOST_WIDE_INT)v << (BITS_PER_UNIT * i);
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, "%02x ", v);