linux-kernel - Re: [syzbot] [net] [crypto] general protection fault in scatterwalk

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Date:   Fri, 13 Oct 2023 10:49:31 +0200
From:   Sabrina Dubroca <sd@...asysnail.net>
To:     syzbot <syzbot+66e3ea42c4b176748b9c@...kaller.appspotmail.com>
Cc:     aviadye@...lanox.com, borisp@...lanox.com, bp@...en8.de,
        daniel@...earbox.net, davem@...emloft.net, ebiggers@...nel.org,
        herbert@...dor.apana.org.au, hpa@...or.com,
        john.fastabend@...il.com, kuba@...nel.org,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        liujian56@...wei.com, mingo@...hat.com, netdev@...r.kernel.org,
        pabeni@...hat.com, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, vfedorenko@...ek.ru, x86@...nel.org
Subject: Re: [syzbot] [net] [crypto] general protection fault in
 scatterwalk_copychunks (4)

2023-10-12, 14:25:30 -0700, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit cfaa80c91f6f99b9342b6557f0f0e1143e434066
> Author: Liu Jian <liujian56@...wei.com>
> Date:   Sat Sep 9 08:14:34 2023 +0000
> 
>     net/tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17338965680000
> start commit:   bd6c11bc43c4 Merge tag 'net-next-6.6' of git://git.kernel...
> git tree:       net-next
> kernel config:  https://syzkaller.appspot.com/x/.config?x=634e05b4025da9da
> dashboard link: https://syzkaller.appspot.com/bug?extid=66e3ea42c4b176748b9c
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10160198680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15feabc0680000

Yes, looks like it.

> If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: net/tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()

-- 
Sabrina