From: Corey Costello <ccostello@morsecom.com>
To: Eric Light <eric@ericlight.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: UBSAN: object-size-mismatch in wg_xmit
Date: Fri, 8 Jan 2021 00:44:26 +0000 [thread overview]
Message-ID: <AB0E5484-9274-4079-9A94-E464E218689E@morsecom.com> (raw)
In-Reply-To: <0029bece-0f7e-4467-948d-b48af50e5bca@www.fastmail.com>
Yeah, it doesn’t work for me :(
> On Jan 7, 2021, at 7:42 PM, Eric Light <eric@ericlight.com> wrote:
>
> Corey - have you tried unsubscribing at the unsubscribe page? https://linkprotect.cudasvc.com/url?a=https%3a%2f%2flists.zx2c4.com%2fmailman%2foptions%2fwireguard&c=E,1,Axa-ElbX0arA0gS27knqMcMnUXikmpGux0uV7Gv66JniMpXRVVtWNeYE8mu17nQawpfQEodteBfH9tq43ronGkmm07T_Tq9urTmtYLTTK8YwFg,,&typo=1
>
> Hope this helps,
>
> E
>
> --------------------------------------------
> Q: Why is this email five sentences or less?
> A: https://linkprotect.cudasvc.com/url?a=http%3a%2f%2ffive.sentenc.es&c=E,1,L28_oBFr0CKAXDsG0BiDkDDhOYaG4FoH7vdeaKoqnsVwn14kiz9J_PpjMZAoItr_wdFvmWS4wAI7qDgBPljT8qxgdAwCA9Vy54M3bcq8nJBKnA11GFTTG6BEv04,&typo=1
>
> On Fri, 8 Jan 2021, at 13:34, Corey Costello wrote:
>> Get me off this fucking list ffs.
>>
>>
>>
>>> On Jan 7, 2021, at 2:06 PM, Jeffrey Walton <noloader@gmail.com> wrote:
>>>
>>> On Thu, Jan 7, 2021 at 2:03 PM Jason A. Donenfeld <Jason@zx2c4.com> wrote:
>>>>
>>>> On Thu, Jan 7, 2021 at 1:22 PM Dmitry Vyukov <dvyukov@google.com> wrote:
>>>>>
>>>>> On Mon, Dec 21, 2020 at 12:23 PM Jason A. Donenfeld <Jason@zx2c4.com> wrote:
>>>>>>
>>>>>> ...
>>>>>
>>>>> These UBSAN checks were just enabled recently.
>>>>> It's indeed super easy to trigger: 133083 VMs were crashed on this already:
>>>>> https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fsyzkaller.appspot.com%2fbug%3fextid%3d8f90d005ab2d22342b6d&c=E,1,RVpgZsRUCGs2jKlumiMAMnpeOF4QdiW5h8GDIsBJPz-orFNwvwCXnceC9n5Bhr1h-G2EsU0tlC7N4QUpHuF6tIMI7tTnBoRjAo5tT-Bk9-Fhe8CppuOL4mqdkA,,&typo=1
>>>>> So it's one of the top crashers by now.
>>>>
>>>> Ahh, makes sense. So it is easily reproducible after all.
>>>>
>>>> You're still of the opinion that it's a false positive, right? I
>>>> shouldn't spend more cycles on this?
>>>
>>> You might consider making a test build with -fno-lto in case LTO is
>>> mucking things up.
>>>
>>> Google Posts Patches So The Linux Kernel Can Be LTO-Optimized By
>>> Clang, https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.phoronix.com%2fscan.php%3fpage%3dnews_item%26px%3dLinux-Kernel-Clang-LTO-Patches&c=E,1,7u3-jWadklYo8ai_XrPNvjnu46LLAyg0hqsGIaMPaoQ5UxtcNM84jrHUgSg4VciXKk9XVpwgyBwD85LbbW5_j195jSH6RrAej45I1kr_XfQ,&typo=1
>>>
>>> Jeff
>>
>>
next prev parent reply other threads:[~2021-01-08 0:44 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-20 16:54 syzbot
2020-12-20 21:11 ` Jason A. Donenfeld
2020-12-21 9:14 ` Dmitry Vyukov
2020-12-21 11:23 ` Jason A. Donenfeld
2021-01-07 12:22 ` Dmitry Vyukov
2021-01-07 19:00 ` Jason A. Donenfeld
2021-01-07 19:06 ` Jeffrey Walton
2021-01-08 0:34 ` Corey Costello
2021-01-08 0:42 ` Eric Light
2021-01-08 0:44 ` Corey Costello [this message]
2021-01-08 0:50 ` Eric Light
2021-01-08 1:02 ` Phillip McMahon
2021-01-08 9:33 ` Dmitry Vyukov
2021-01-08 20:54 ` Nathan Chancellor
2021-01-08 9:30 ` Dmitry Vyukov
[not found] ` <CAGXu5j+jzmkiU_AWoTVF6e263iYSSJYUHB=Kdqh-MCfEO-aNSg@mail.gmail.com>
2021-01-09 9:46 ` Dmitry Vyukov
2021-01-09 10:49 ` Matthias Urlichs
2021-01-11 17:17 ` Dmitry Vyukov
2021-01-11 17:35 ` Jeffrey Walton
2021-01-11 17:58 ` Dmitry Vyukov
2021-01-11 18:14 ` Jeffrey Walton
2021-01-12 9:54 ` Dmitry Vyukov
2021-01-07 12:53 ` Jeffrey Walton
2021-01-07 17:01 ` Julian Wiedmann
2021-01-07 18:58 ` Jason A. Donenfeld
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