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SubjectRe: kernel BUG at fs/btrfs/volumes.c:LINE!
On Thu, Dec 05, 2019 at 12:38:38PM +0100, Johannes Thumshirn wrote:
> On Thu, Dec 05, 2019 at 11:07:27AM +0100, Dmitry Vyukov wrote:
> > The correct syntax would be (no dash + colon):
> >
> > #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/jth/linux.git
> > close_fs_devices
>
> Ah ok, thanks.
>
> Although syzbot already said it can't test because it has no reproducer.
> Anyways good to know for future reports.

According to

https://syzkaller.appspot.com/bug?id=d50670eeb21302915bde3f25871dfb7ea43db1e4

there is a way how to test it, many reports and the last one about a
week old. Is there a way to instruct syzbot to run the same tests on a
given branch?

(The reproducer is basically setting up environment with limited amount
of memory available for allocation and this hits the BUG_ON.)

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