On Wed, Feb 10, 2021 at 02:17:57AM +0300, Andrey Rybainin wrote:
> Subject: ubsan: Require GCC-8+ or Clang to use UBSAN
>
> Just like how we require GCC-8.2 for KASAN due to compiler bugs, require
> a sane version of GCC for UBSAN.
>
> Specifically, before GCC-8 UBSAN
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
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 Tue, Dec 22, 2020 at 11:04:54PM
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 Tue, Dec 22, 2020 at 11:04:54PM -0600, Josh Poimboeuf wrote:
> >>> GCC 7 has a known bug where UBSAN
On 1/14/21 1:59 PM, Peter Zijlstra wrote:
> On Mon, Jan 04, 2021 at 04:13:17PM +0100, Peter Zijlstra wrote:
>> On Tue, Dec 22, 2020 at 11:04:54PM -0600, Josh Poimboeuf wrote:
>>> GCC 7 has a known bug where UBSAN ignores '-fwrapv' and generates false
>>> signed-overflow-UB warnings. The type
On Mon, Jan 04, 2021 at 04:13:17PM +0100, Peter Zijlstra wrote:
> On Tue, Dec 22, 2020 at 11:04:54PM -0600, Josh Poimboeuf wrote:
> > GCC 7 has a known bug where UBSAN ignores '-fwrapv' and generates false
> > signed-overflow-UB warnings. The type mismatch between 'i' and
> > 'nr_segs' in
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