Re: UBsan int overflows

On Wed, Nov 26, 2014 at 3:14 PM, Lukas Larsson <[email protected]> wrote:
>
> On 26/11/14 12:29, Tuncer Ayaz wrote:
>>
>> On Tue, Sep 23, 2014 at 11:05 AM, Tuncer Ayaz wrote:
>>>
>>> On Mon, Sep 22, 2014 at 12:02 PM, Lukas Larsson wrote:
>>>>
>>>> On 17/09/14 19:23, Tuncer Ayaz wrote:
>>>>>
>>>>> On Wed, Sep 17, 2014 at 2:33 PM, Tuncer Ayaz wrote:
>>>>>>
>>>>>> Building OTP-17.3 with --enable-sanitizers=undefined, you can see
>>>>>> the following during the build of lib/wx/examples/demo:
>>>>>>    ERLC   ex_aui.beam
>>>>>> beam/bif.c:2828:5: runtime error: signed integer overflow:
>>>>>> 426141286 * 10 cannot be represented in type 'int'
>>>>>>
>>>>>> I thought this was also fixed.
>>>>
>>>> As did I. I wonder where that fix went... I've created a new fix
>>>> for it.
>>>>
>>>>> More during dialyzer --build_plt:
>>>>> beam/erl_process.c:9024:2: runtime error: signed integer overflow:
>>>>> 2147482509 + 2001 cannot be represented in type 'int'
>>>>> beam/erl_process.c:4908:35: runtime error: signed integer overflow:
>>>>> 3984 * 625175 cannot be represented in type 'int'
>>>>>
>>>> I've noticed these as well and a couple of other ones in
>>>> erl_process.c. I've added them to our backlog to fix.
>>>
>>> Thanks, and please keep us posted.
>>
>> What's the status?
>
>
> bif.c has been fixed, erl_process.c has not been fixed yet.

Any status update?
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