Re: [syzbot] [block?] possible deadlock in blk_mq_submit_bio

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On Tue, Dec 10, 2024 at 6:45 PM Hillf Danton <hdanton@xxxxxxxx> wrote:
>
> On Mon, 09 Dec 2024 11:19:17 -0800
> > syzbot has found a reproducer for the following issue on:
> >
> > HEAD commit:    fac04efc5c79 Linux 6.13-rc2
> > git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=147528f8580000
>
> #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git   for-6.14/block

This one looks one real deadlock risk, similar with the following one:

https://lore.kernel.org/linux-block/Z0hkFoFsW5Xv8iKw@fedora/

I will take a look when I get time.

Thanks,






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