From 06ffe577036fa58968960afc62e16349fa43d496 Mon Sep 17 00:00:00 2001
From: Richard Biener <rguenther@suse.de>
Date: Tue, 5 Dec 2023 14:00:43 +0100
Subject: [PATCH] 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)
---
gcc/asan.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/asan.cc b/gcc/asan.cc
index 2424cf69ef11..8d0ffb497cc9 100644
--- a/gcc/asan.cc
+++ b/gcc/asan.cc
@@ -2291,6 +2291,8 @@ 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
--
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