On 2/10/21 3:19 AM, Kees Cook wrote:
> On Wed, Feb 10, 2021 at 02:23:48AM +0300, Andrey Ryabinin wrote:
>> Since GCC 8.0 -fsanitize=signed-integer-overflow doesn't work with -fwrapv.
>> -fwrapv makes signed overflows defines and GCC essentially disables
>> ubsan checks. On GCC < 8.0 -fwrapv does
On 2/9/21 9:24 PM, Josh Poimboeuf wrote:
> On Mon, Jan 18, 2021 at 11:53:37AM -0600, Josh Poimboeuf wrote:
>> On Thu, Jan 14, 2021 at 02:09:28PM +0300, Andrey Ryabinin wrote:
>>>
>>>
>>> On 1/14/21 1:59 PM, Peter Zijlstra wrote:
On Mon, Jan 04, 2021 at 04:13:17PM +0100, Peter Zijlstra wrote
On 07/14/2017 10:58 PM, Linus Torvalds wrote:
> On Fri, Jul 14, 2017 at 12:43 PM, Andrey Ryabinin
> wrote:
>>
>>> yet when I look at the generated code for __ip_map_lookup, I see
>>>
>>>movl$32, %edx #,
>>>movq%r13, %rsi # class,
>>>leaq48(%rax), %r
On 07/14/2017 12:14 AM, Matthias Kaehlcke wrote:
> El Thu, Jul 13, 2017 at 11:20:04PM +0300 Andrey Rybainin ha dit:
>
>> On 07/13/2017 09:47 PM, Matthias Kaehlcke wrote:
>>
>>> Thanks for your analysis!
>>>
>>>> What happens if you try the below p
On 07/13/2017 09:47 PM, Matthias Kaehlcke wrote:
> Thanks for your analysis!
>
>> What happens if you try the below patch instead of the revert? Any
>> chance the offending instruction goes away?
>>
>> diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
>> index 11433f9.
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