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Date:   Thu, 15 Aug 2019 18:39:56 -0700
From:   Bart Van Assche <>
To:     Will Deacon <>,
        syzbot <>
Subject: Re: WARNING in is_bpf_text_address

On 8/15/19 12:51 AM, Will Deacon wrote:
> 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:
>> kernel config:
>> dashboard link:
>> compiler:       clang version 9.0.0 (/home/glider/llvm/clang
>> 80fee25776c2fb61e74c1ecb1a523375c2500b69)
>> syz repro:
>> C reproducer:
>> The bug was bisected to:
>> commit a0b0fd53e1e67639b303b15939b9c653dbe7a8c4
>> Author: Bart Van Assche <>
>> Date:   Thu Feb 14 23:00:46 2019 +0000
>>      locking/lockdep: Free lock classes that are no longer in use
>> bisection log:
>> final crash:
>> console output:
> 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)?

Hi Will,

Had you already noticed the following message?

 From that message: "Hey Bart, don't think it's related in any way to 
your commit. I'll allocate some time on working on this issue today, 


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