projects
/
platform
/
upstream
/
llvm.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
9c1e4ee
)
[NFC][HWASAN] Remove unnecessary untag
author
Vitaly Buka
<vitalybuka@google.com>
Fri, 28 Apr 2023 07:24:34 +0000
(
00:24
-0700)
committer
Vitaly Buka
<vitalybuka@google.com>
Fri, 28 Apr 2023 07:40:52 +0000
(
00:40
-0700)
Looks like HWASAN_ALIASING_MODE work around.
But any tagged pointer should be mapped, so load
should work.
compiler-rt/lib/hwasan/hwasan_checks.h
patch
|
blob
|
history
diff --git
a/compiler-rt/lib/hwasan/hwasan_checks.h
b/compiler-rt/lib/hwasan/hwasan_checks.h
index
6e2ab16
..
616199a
100644
(file)
--- a/
compiler-rt/lib/hwasan/hwasan_checks.h
+++ b/
compiler-rt/lib/hwasan/hwasan_checks.h
@@
-134,9
+134,6
@@
PossiblyShortTagMatches(tag_t mem_tag, uptr ptr, uptr sz) {
return false;
if ((ptr & (kShadowAlignment - 1)) + sz > mem_tag)
return false;
-#if !defined(__aarch64__) && !(SANITIZER_RISCV64)
- ptr = UntagAddr(ptr);
-#endif
return *(u8 *)(ptr | (kShadowAlignment - 1)) == ptr_tag;
}