linux-kernel - Re: net test error: BUG: mismatching fuzzer/executor system call descriptions: ADDR vs ADDR (2)

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Message-ID: <CACT4Y+ZfP7zDOOCksy=NY161ddiKiOzsSty1JfA8+JaP1zacUw@mail.gmail.com>
Date:   Fri, 10 Apr 2020 09:28:50 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+564b4e9875b107591b55@...kaller.appspotmail.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: net test error: BUG: mismatching fuzzer/executor system call
 descriptions: ADDR vs ADDR (2)

On Fri, Apr 10, 2020 at 9:19 AM syzbot
<syzbot+564b4e9875b107591b55@...kaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit:    aa81700c macsec: fix NULL dereference in macsec_upd_offloa..
> git tree:       net
> console output: https://syzkaller.appspot.com/x/log.txt?x=15cff49fe00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8c1e98458335a7d1
> dashboard link: https://syzkaller.appspot.com/bug?extid=564b4e9875b107591b55
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
>
> Unfortunately, I don't have any reproducer for this crash yet.
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+564b4e9875b107591b55@...kaller.appspotmail.com
>
> Warning: Permanently added '10.128.1.4' (ECDSA) to the list of known hosts.
> 2020/04/06 18:39:32 fuzzer started
> 2020/04/06 18:39:33 connecting to host at 10.128.0.26:41717
> 2020/04/06 18:39:34 checking machine...
> 2020/04/06 18:39:34 checking revisions...
> 2020/04/06 18:39:34 BUG: mismatching fuzzer/executor system call descriptions: 670a1e865c0bc7d60e9886acf4666ee3677e346e vs f787d115f9efa49fdd59261850f5c05f43fbe327
> syzkaller login:

This is now fixed with:
https://github.com/google/syzkaller/commit/2f886fb32cd97875de4a67dfb04c90d925b7d73d

#syz invalid