LinuxLists.cc - Re: [EXT] INFO: trying to register non-static key in del_timer_sync (2)

2019-06-12 18:06:22

by Andrey Konovalov

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Subject: Re: [EXT] INFO: trying to register non-static key in del_timer_sync (2)

On Wed, Jun 12, 2019 at 6:03 PM Ganapathi Bhat <[email protected]> wrote:
>
> Hi Dmitry,
>
> We have a patch to fix this: https://patchwork.kernel.org/patch/10990275/

Hi Ganapathi,

Great, thanks for working on this!

We can ask syzbot to test the fix:

#syz test: https://github.com/google/kasan.git usb-fuzzer

Thanks!

>
> Regards,
> Ganapathi

Attachments:

mwifiex-avoid-deleting-uninitialized-timer-during-USB-cleanup.diff (2.03 kB)

2019-06-12 18:09:09

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Subject: Re: INFO: trying to register non-static key in del_timer_sync (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger
crash:

Reported-and-tested-by:
[email protected]

Tested on:

commit: 69bbe8c7 usb-fuzzer: main usb gadget fuzzer driver
git tree: https://github.com/google/kasan.git usb-fuzzer
kernel config: https://syzkaller.appspot.com/x/.config?x=39290eb0151bec39
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
patch: https://syzkaller.appspot.com/x/patch.diff?x=14171fd2a00000

Note: testing is done by a robot and is best-effort only.