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

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On Fri, Aug 9, 2019 at 8:12 PM syzbot
<syzbot+ef5de9c4f99c4edb4e49@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
>
> Reported-and-tested-by:
> syzbot+ef5de9c4f99c4edb4e49@xxxxxxxxxxxxxxxxxxxxxxxxx

OK, I'm duping this BUG to the similar one that Hillf fixed:

#syz dup: general protection fault in __pm_runtime_resume

If there are more issues with PM counters, syzbot will rereport them
once the fix is in its tree.

>
> Tested on:
>
> commit:         6a3599ce usb-fuzzer: main usb gadget fuzzer driver
> git tree:       https://github.com/google/kasan.git
> kernel config:  https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=17fcd52c600000
>
> Note: testing is done by a robot and is best-effort only.
>
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