Re: KASAN: use-after-free Read in nbp_vlan_rcu_free

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On 12 November 2018 06:51:02 CET, syzbot <syzbot+04681da557a0e49a52e5@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>Hello,
>
>syzbot found the following crash on:
>
>HEAD commit:    e12e00e388de Merge tag 'kbuild-fixes-v4.20' of
>git://git.k..
>git tree:       upstream
>console output:
>https://syzkaller.appspot.com/x/log.txt?x=14cdb6f5400000
>kernel config: 
>https://syzkaller.appspot.com/x/.config?x=8f215f21f041a0d7
>dashboard link:
>https://syzkaller.appspot.com/bug?extid=04681da557a0e49a52e5
>compiler:       gcc (GCC) 8.0.1 20180413 (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+04681da557a0e49a52e5@xxxxxxxxxxxxxxxxxxxxxxxxx

Thanks, I'm about to fly out for LPC. Will take a look in a day.






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