linux-kernel - Re: WARNING in is_bpf_text

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <c0e440a1-30aa-a636-fe5c-44f71705857b@acm.org>
Date:   Fri, 28 Jun 2019 08:17:16 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     syzbot <syzbot+bd3bba6ff3fcea7a6ec6@...kaller.appspotmail.com>,
        akpm@...ux-foundation.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, davem@...emloft.net, hawk@...nel.org,
        jakub.kicinski@...ronome.com, johannes.berg@...el.com,
        johannes@...solutions.net, john.fastabend@...il.com, kafai@...com,
        linux-kernel@...r.kernel.org, longman@...hat.com, mingo@...nel.org,
        netdev@...r.kernel.org, paulmck@...ux.vnet.ibm.com,
        peterz@...radead.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de, tj@...nel.org,
        torvalds@...ux-foundation.org, will.deacon@....com,
        xdp-newbies@...r.kernel.org, yhs@...com,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: WARNING in is_bpf_text_address

On 6/28/19 6:05 AM, syzbot wrote:
> syzbot has bisected this bug to:
> 
> commit a0b0fd53e1e67639b303b15939b9c653dbe7a8c4
> Author: Bart Van Assche <bvanassche@....org>
> Date:   Thu Feb 14 23:00:46 2019 +0000
> 
>      locking/lockdep: Free lock classes that are no longer in use
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=152f6a9da00000
> start commit:   abf02e29 Merge tag 'pm-5.2-rc6' of 
> git://git.kernel.org/pu..
> git tree:       upstream
> final crash:    https://syzkaller.appspot.com/x/report.txt?x=172f6a9da00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=132f6a9da00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=28ec3437a5394ee0
> dashboard link: 
> https://syzkaller.appspot.com/bug?extid=bd3bba6ff3fcea7a6ec6
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ae828aa00000
> 
> Reported-by: syzbot+bd3bba6ff3fcea7a6ec6@...kaller.appspotmail.com
> Fixes: a0b0fd53e1e6 ("locking/lockdep: Free lock classes that are no 
> longer in use")
> 
> For information about bisection process see: 
> https://goo.gl/tpsmEJ#bisection

Dmitry, this bisection result does not make any sense to me. Can I mark 
this bisection result myself as invalid?

Thanks,

Bart.