* [PATCH] sanitizer/111736 - skip ASAN for globals in alternate address-space
@ 2023-12-05 13:55 Richard Biener
0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2023-12-05 13:55 UTC (permalink / raw)
To: gcc-patches; +Cc: Jakub Jelinek
Bootstrapped and tested on x86_64-unknown-linux-gnu, OK?
Thanks,
Richard.
PR sanitizer/111736
* asan.cc (asan_protect_global): Do not protect globals
in non-generic address-space.
---
gcc/asan.cc | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gcc/asan.cc b/gcc/asan.cc
index 2424cf69ef1..8d0ffb497cc 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
--
2.35.3
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] sanitizer/111736 - skip ASAN for globals in alternate address-space
[not found] <58949.123120508585105219@us-mta-61.us.mimecast.lan>
@ 2023-12-05 14:07 ` Jakub Jelinek
0 siblings, 0 replies; 2+ messages in thread
From: Jakub Jelinek @ 2023-12-05 14:07 UTC (permalink / raw)
To: Richard Biener; +Cc: gcc-patches
On Tue, Dec 05, 2023 at 02:55:05PM +0100, Richard Biener wrote:
> Bootstrapped and tested on x86_64-unknown-linux-gnu, OK?
>
> Thanks,
> Richard.
>
> PR sanitizer/111736
> * asan.cc (asan_protect_global): Do not protect globals
> in non-generic address-space.
Ok.
> diff --git a/gcc/asan.cc b/gcc/asan.cc
> index 2424cf69ef1..8d0ffb497cc 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
> --
> 2.35.3
Jakub
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2023-12-05 13:55 [PATCH] sanitizer/111736 - skip ASAN for globals in alternate address-space Richard Biener
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2023-12-05 14:07 ` Jakub Jelinek
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