Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter

[K Prateek Nayak]

Hello Oleg,

On 3/24/2025 1:17 AM, Oleg Nesterov wrote:
> On 03/23, syzbot wrote:
> > Hello,
> >
> > syzbot has tested the proposed patch but the reproducer is still triggering an issue:
> > INFO: task hung in netfs_unbuffered_write_iter
>
> OK, as expected.
>
> Dear syzbot, thank you.
>
> So far I think this is another problem revealed by aaec5a95d59615523db03dd5
> ("pipe_read: don't wake up the writer if the pipe is still full").
>
> I am going to forget about this report for now and return to it later, when
> all the pending pipe-related changes in vfs.git are merged.

P.S. I'm trying to repro this on my machine on latest upstream. Haven't
gotten lucky yet with the C reproducer with my config. I'm moving to the
the syzbot's config to see if it reveals something. If I have something
I'll report back here.

> Oleg.

--
Thanks and Regards,
Prateek