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From:   Aleksandr Nogikh <nogikh@google.com>
Date:   Tue, 20 Jun 2023 11:13:14 +0200
Message-ID: <CANp29Y4_pqfAvKJMi5X+vcsa+UXPR99i0U8OkreoHwnQMnL2ag@mail.gmail.com>
Subject: Re: [syzbot] [net?] KMSAN: uninit-value in xfrm_state_find
To:     syzbot <syzbot+131cd4c6d21724b99a26@syzkaller.appspotmail.com>
Cc:     anant.thazhemadam@gmail.com, davem@davemloft.net,
        dvyukov@google.com, edumazet@google.com, glider@google.com,
        herbert@gondor.apana.org.au, icytxw@gmail.com, kuba@kernel.org,
        linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        pabeni@redhat.com, steffen.klassert@secunet.com,
        syzkaller-bugs@googlegroups.com, tobias@strongswan.org,
        tonymarislogistics@yandex.com
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On Tue, Jun 20, 2023 at 8:41=E2=80=AFAM syzbot
<syzbot+131cd4c6d21724b99a26@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 3d776e31c841ba2f69895d2255a49320bec7cea6
> Author: Tobias Brunner <tobias@strongswan.org>
> Date:   Tue May 9 08:59:58 2023 +0000
>
>     xfrm: Reject optional tunnel/BEET mode templates in outbound policies
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=3D13eeaa4b28=
0000
> start commit:   e4cf7c25bae5 Merge tag 'kbuild-fixes-v6.2' of git://git.k=
e..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3D2651619a26b4d=
687
> dashboard link: https://syzkaller.appspot.com/bug?extid=3D131cd4c6d21724b=
99a26
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D1140605c480=
000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D14c9271848000=
0
>
> If the result looks correct, please mark the issue as fixed by replying w=
ith:
>
> #syz fix: xfrm: Reject optional tunnel/BEET mode templates in outbound po=
licies

Looks related.

#syz fix: xfrm: Reject optional tunnel/BEET mode templates in outbound poli=
cies

>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisect=
ion
>
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