* Re: KASAN: use-after-free Read in finish_task_switch (2)
[not found] <000000000000490679058e0245ee@google.com>
@ 2019-07-19 16:34 ` syzbot
2019-07-24 7:06 ` Jason Wang
0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2019-07-19 16:34 UTC (permalink / raw)
To: aarcange, akpm, christian, davem, ebiederm, elena.reshetova,
guro, hch, james.bottomley, jasowang, jglisse, keescook,
linux-arm-kernel, linux-kernel, linux-mm, linux-parisc, luto,
mhocko, mingo, mst, namit, peterz, syzkaller-bugs, wad,
yuehaibing
syzbot has bisected this bug to:
commit 7f466032dc9e5a61217f22ea34b2df932786bbfc
Author: Jason Wang <jasowang@redhat.com>
Date: Fri May 24 08:12:18 2019 +0000
vhost: access vq metadata through kernel virtual address
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=123faf70600000
start commit: 22051d9c Merge tag 'platform-drivers-x86-v5.3-2' of git://..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=113faf70600000
console output: https://syzkaller.appspot.com/x/log.txt?x=163faf70600000
kernel config: https://syzkaller.appspot.com/x/.config?x=135cb826ac59d7fc
dashboard link: https://syzkaller.appspot.com/bug?extid=7f067c796eee2acbc57a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c1898fa00000
Reported-by: syzbot+7f067c796eee2acbc57a@syzkaller.appspotmail.com
Fixes: 7f466032dc9e ("vhost: access vq metadata through kernel virtual
address")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: KASAN: use-after-free Read in finish_task_switch (2)
2019-07-19 16:34 ` KASAN: use-after-free Read in finish_task_switch (2) syzbot
@ 2019-07-24 7:06 ` Jason Wang
0 siblings, 0 replies; 2+ messages in thread
From: Jason Wang @ 2019-07-24 7:06 UTC (permalink / raw)
To: syzbot, aarcange, akpm, christian, davem, ebiederm,
elena.reshetova, guro, hch, james.bottomley, jglisse, keescook,
linux-arm-kernel, linux-kernel, linux-mm, linux-parisc, luto,
mhocko, mingo, mst, namit, peterz, syzkaller-bugs, wad,
yuehaibing
On 2019/7/20 上午12:34, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit 7f466032dc9e5a61217f22ea34b2df932786bbfc
> Author: Jason Wang <jasowang@redhat.com>
> Date: Fri May 24 08:12:18 2019 +0000
>
> vhost: access vq metadata through kernel virtual address
>
> bisection log:
> https://syzkaller.appspot.com/x/bisect.txt?x=123faf70600000
> start commit: 22051d9c Merge tag 'platform-drivers-x86-v5.3-2' of
> git://..
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=113faf70600000
> console output: https://syzkaller.appspot.com/x/log.txt?x=163faf70600000
> kernel config: https://syzkaller.appspot.com/x/.config?x=135cb826ac59d7fc
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=7f067c796eee2acbc57a
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c1898fa00000
>
> Reported-by: syzbot+7f067c796eee2acbc57a@syzkaller.appspotmail.com
> Fixes: 7f466032dc9e ("vhost: access vq metadata through kernel virtual
> address")
>
> For information about bisection process see:
> https://goo.gl/tpsmEJ#bisection
#syz dup: WARNING in __mmdrop
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-07-19 16:34 ` KASAN: use-after-free Read in finish_task_switch (2) syzbot
2019-07-24 7:06 ` Jason Wang
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