https://gcc.gnu.org/g:61d1962e7c3c32da6962d9cb20f6fd996501f3f2
commit r12-10387-g61d1962e7c3c32da6962d9cb20f6fd996501f3f2
Author: Richard Biener <rguent...@suse.de>
Date: Tue Dec 5 14:00:43 2023 +0100
sanitizer/111736 - skip ASAN for globals in alternate address-space
PR sanitizer/111736
* asan.cc (asan_protect_global): Do not protect globals
in non-generic address-space.
(cherry picked from commit 7e40497805c0831596334fe474112f991276e11b)
Diff:
---
gcc/asan.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/asan.cc b/gcc/asan.cc
index 72d1ef28be8..0c5afa36cb8 100644
--- a/gcc/asan.cc
+++ b/gcc/asan.cc
@@ -2251,6 +2251,8 @@ asan_protect_global (tree decl, bool
ignore_decl_rtl_set_p)
|| (DECL_SECTION_NAME (decl) != NULL
&& !symtab_node::get (decl)->implicit_section
&& !section_sanitized_p (DECL_SECTION_NAME (decl)))
+ /* Don't protect variables in non-generic address-space. */
+ || !ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (TREE_TYPE (decl)))
|| DECL_SIZE (decl) == 0
|| ASAN_RED_ZONE_SIZE * BITS_PER_UNIT > MAX_OFILE_ALIGNMENT
|| TREE_CODE (DECL_SIZE_UNIT (decl)) != INTEGER_CST
