From: Will Deacon <will@kernel.org>
To: syzbot <syzbot+bd3bba6ff3fcea7a6ec6@syzkaller.appspotmail.com>,
bvanassche@acm.org
Cc: akpm@linux-foundation.org, ast@kernel.org, bpf@vger.kernel.org,
bvanassche@acm.org, daniel@iogearbox.net, davem@davemloft.net,
dvyukov@google.com, hawk@kernel.org, hdanton@sina.com,
jakub.kicinski@netronome.com, johannes.berg@intel.com,
johannes@sipsolutions.net, john.fastabend@gmail.com,
kafai@fb.com, linux-kernel@vger.kernel.org, longman@redhat.com,
mingo@kernel.org, netdev@vger.kernel.org,
paulmck@linux.vnet.ibm.com, peterz@infradead.org,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, tj@kernel.org, torvalds@linux-foundation.org,
will.deacon@arm.com, xdp-newbies@vger.kernel.org, yhs@fb.com
Subject: Re: WARNING in is_bpf_text_address
Date: Thu, 15 Aug 2019 08:51:42 +0100 [thread overview]
Message-ID: <20190815075142.vuza32plqtiuhixx@willie-the-truck> (raw)
In-Reply-To: <000000000000e56cb0058fcc6c28@google.com>
Hi Bart,
On Sat, Aug 10, 2019 at 05:24:06PM -0700, syzbot wrote:
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit: 451577f3 Merge tag 'kbuild-fixes-v5.3-3' of git://git.kern..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=120850a6600000
> kernel config: https://syzkaller.appspot.com/x/.config?x=2031e7d221391b8a
> dashboard link: https://syzkaller.appspot.com/bug?extid=bd3bba6ff3fcea7a6ec6
> compiler: clang version 9.0.0 (/home/glider/llvm/clang
> 80fee25776c2fb61e74c1ecb1a523375c2500b69)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130ffe4a600000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17137d2c600000
>
> The bug was bisected to:
>
> commit a0b0fd53e1e67639b303b15939b9c653dbe7a8c4
> Author: Bart Van Assche <bvanassche@acm.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
> final crash: https://syzkaller.appspot.com/x/report.txt?x=172f6a9da00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=132f6a9da00000
I know you don't think much to these reports, but please could you have a
look (even if it's just to declare it a false positive)?
Cheers,
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: syzbot <syzbot+bd3bba6ff3fcea7a6ec6@syzkaller.appspotmail.com>,
bvanassche@acm.org
Cc: akpm@linux-foundation.org, ast@kernel.org, bpf@vger.kernel.org,
daniel@iogearbox.net, davem@davemloft.net, dvyukov@google.com,
hawk@kernel.org, hdanton@sina.com, jakub.kicinski@netronome.com,
johannes.berg@intel.com, johannes@sipsolutions.net,
john.fastabend@gmail.com, kafai@fb.com,
linux-kernel@vger.kernel.org, longman@redhat.com,
mingo@kernel.org, netdev@vger.kernel.org,
paulmck@linux.vnet.ibm.com, peterz@infradead.org,
songliubraving@fb.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, tj@kernel.org, torvalds@linux-foundation.org,
will.deacon@arm.com, xdp-newbies@vger.kernel.org, yhs@fb.com
Subject: Re: WARNING in is_bpf_text_address
Date: Thu, 15 Aug 2019 08:51:42 +0100 [thread overview]
Message-ID: <20190815075142.vuza32plqtiuhixx@willie-the-truck> (raw)
In-Reply-To: <000000000000e56cb0058fcc6c28@google.com>
Hi Bart,
On Sat, Aug 10, 2019 at 05:24:06PM -0700, syzbot wrote:
> syzbot has found a reproducer for the following crash on:
>
> HEAD commit: 451577f3 Merge tag 'kbuild-fixes-v5.3-3' of git://git.kern..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=120850a6600000
> kernel config: https://syzkaller.appspot.com/x/.config?x=2031e7d221391b8a
> dashboard link: https://syzkaller.appspot.com/bug?extid=bd3bba6ff3fcea7a6ec6
> compiler: clang version 9.0.0 (/home/glider/llvm/clang
> 80fee25776c2fb61e74c1ecb1a523375c2500b69)
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130ffe4a600000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17137d2c600000
>
> The bug was bisected to:
>
> commit a0b0fd53e1e67639b303b15939b9c653dbe7a8c4
> Author: Bart Van Assche <bvanassche@acm.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
> final crash: https://syzkaller.appspot.com/x/report.txt?x=172f6a9da00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=132f6a9da00000
I know you don't think much to these reports, but please could you have a
look (even if it's just to declare it a false positive)?
Cheers,
Will
next prev parent reply other threads:[~2019-08-15 7:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-21 12:57 WARNING in is_bpf_text_address syzbot
2019-06-28 13:05 ` syzbot
2019-06-28 15:17 ` Bart Van Assche
2019-07-01 8:12 ` Dmitry Vyukov
2019-08-11 0:24 ` syzbot
2019-08-15 7:51 ` Will Deacon [this message]
2019-08-15 7:51 ` Will Deacon
2019-08-16 1:39 ` Bart Van Assche
2019-08-16 8:21 ` Will Deacon
[not found] <20190811083658.10748-1-hdanton@sina.com>
2019-08-15 8:52 ` Daniel Borkmann
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