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
On Tue, Feb 09, 2021 at 04:19:03PM -0800, 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
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 doesn't have influence on
>
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 doesn't have influence on
-fsanitize=signed-integer-overflow setting, so it kinda works
but generates false-positves
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