Re: INFO: task hung in btrfs_search_slot

[David Sterba]

On Wed, Oct 27, 2021 at 04:34:37PM +0100, Filipe Manana wrote:
> On Wed, Oct 27, 2021 at 2:08 PM Hao Sun <sunhao.th@xxxxxxxxx> wrote:
> >
> > Hello,
> >
> > When using Healer to fuzz the latest Linux kernel, the following crash
> > was triggered.
> 
> This is the same deadlock you reported 3 weeks ago here:
> 
> https://lore.kernel.org/linux-btrfs/CACkBjsax51i4mu6C0C3vJqQN3NR_iVuucoeG3U1HXjrgzn5FFQ@xxxxxxxxxxxxxx/
> 
> There's a fix in the integration branch (David's misc-next branch),
> but it's not yet in any released kernel and not in Linus' tree as
> well:
> 
> https://lore.kernel.org/linux-btrfs/cover.1634115580.git.fdmanana@xxxxxxxx/

It'll go to 5.15 pull and the fix is tagged for 5.14 stable so it'll be
in some release in the 5.15-rc1 timeframe.