linux-kernel - Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250323194701.GC14883@redhat.com>
Date: Sun, 23 Mar 2025 20:47:02 +0100
From: Oleg Nesterov <oleg@...hat.com>
To: syzbot <syzbot+62262fdc0e01d99573fc@...kaller.appspotmail.com>
Cc: brauner@...nel.org, dhowells@...hat.com, jack@...e.cz,
	jlayton@...nel.org, kprateek.nayak@....com,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	mjguzik@...il.com, netfs@...ts.linux.dev, swapnil.sapkal@....com,
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter

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.

Oleg.