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From: Uros Bizjak <uros@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-10387] sanitizer/111736 - skip ASAN for globals in alternate address-space
Date: Tue, 23 Apr 2024 17:09:10 +0000 (GMT)	[thread overview]
Message-ID: <20240423170910.944073858417@sourceware.org> (raw)

https://gcc.gnu.org/g:61d1962e7c3c32da6962d9cb20f6fd996501f3f2

commit r12-10387-g61d1962e7c3c32da6962d9cb20f6fd996501f3f2
Author: Richard Biener <rguenther@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

                 reply	other threads:[~2024-04-23 17:09 UTC|newest]

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