From: Oleg Nesterov <oleg@redhat.com>
To: David Howells <dhowells@redhat.com>
Cc: syzbot <syzbot+62262fdc0e01d99573fc@syzkaller.appspotmail.com>,
brauner@kernel.org, jack@suse.cz, jlayton@kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
netfs@lists.linux.dev, syzkaller-bugs@googlegroups.com,
viro@zeniv.linux.org.uk, K Prateek Nayak <kprateek.nayak@amd.com>,
"Sapkal, Swapnil" <swapnil.sapkal@amd.com>,
Mateusz Guzik <mjguzik@gmail.com>
Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter
Date: Fri, 28 Mar 2025 20:01:05 +0100 [thread overview]
Message-ID: <20250328190105.GG29527@redhat.com> (raw)
In-Reply-To: <86991.1743185694@warthog.procyon.org.uk>
David,
I know that I will regret my email tomorrow, but
On 03/28, David Howells wrote:
>
> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-fixes
>
> There's inconsistency with some wakeups between using rreq->waitq (a private
> waitqueue) and using clear_and_wake_up_bit() (a shared global waitqueue).
Too late for me, I didn't even try to read the "netfs-fixes" changes.
And if I even tried, I probably wouldn't understand them ;)
But, afaics (I can be easily wrong), the curent logic in net/9p/ doesn't look
right regardless of any other fixes, no?
Oleg.
next prev parent reply other threads:[~2025-03-28 19:01 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-22 15:54 [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter syzbot
2025-03-23 18:48 ` Oleg Nesterov
2025-03-23 19:17 ` syzbot
2025-03-23 19:47 ` Oleg Nesterov
2025-03-23 19:50 ` K Prateek Nayak
2025-03-23 19:52 ` Mateusz Guzik
2025-03-23 21:02 ` Oleg Nesterov
2025-03-24 10:47 ` K Prateek Nayak
2025-03-24 11:15 ` syzbot
2025-03-24 13:17 ` Mateusz Guzik
2025-03-24 13:19 ` K Prateek Nayak
2025-03-24 14:52 ` K Prateek Nayak
2025-03-24 16:03 ` Mateusz Guzik
2025-03-24 16:25 ` K Prateek Nayak
2025-03-24 16:36 ` K Prateek Nayak
2025-03-25 2:52 ` K Prateek Nayak
2025-03-25 12:15 ` Oleg Nesterov
2025-03-25 12:36 ` Dominique Martinet
2025-03-25 13:04 ` Oleg Nesterov
2025-03-25 14:49 ` K Prateek Nayak
2025-03-25 14:58 ` Dominique Martinet
2025-03-26 12:19 ` Oleg Nesterov
2025-03-26 12:44 ` Oleg Nesterov
2025-03-26 13:05 ` Oleg Nesterov
2025-03-27 17:46 ` K Prateek Nayak
2025-03-27 21:19 ` syzbot
2025-03-27 22:18 ` asmadeus
2025-03-28 4:01 ` K Prateek Nayak
2025-03-28 4:43 ` syzbot
2025-03-28 13:06 ` Oleg Nesterov
2025-03-28 13:07 ` syzbot
2025-03-28 13:25 ` Oleg Nesterov
2025-03-28 13:49 ` syzbot
2025-03-28 14:49 ` Oleg Nesterov
2025-03-28 15:22 ` syzbot
2025-03-28 17:00 ` Oleg Nesterov
2025-03-28 17:56 ` K Prateek Nayak
2025-03-28 18:20 ` Oleg Nesterov
2025-03-29 0:00 ` asmadeus
2025-03-29 14:21 ` Oleg Nesterov
2025-03-29 23:27 ` asmadeus
2025-03-30 10:21 ` Oleg Nesterov
2025-03-23 20:03 ` Mateusz Guzik
2025-03-23 20:43 ` syzbot
2025-03-28 18:14 ` David Howells
2025-03-28 18:44 ` syzbot
2025-03-28 19:01 ` Oleg Nesterov [this message]
2025-03-24 12:49 ` Edward Adam Davis
2025-03-24 13:37 ` syzbot
2025-08-03 12:09 ` syzbot
[not found] <20250323002028.3563-1-hdanton@sina.com>
2025-03-23 1:15 ` syzbot
[not found] <20250323021219.3580-1-hdanton@sina.com>
2025-03-23 2:48 ` syzbot
[not found] <20250324111613.3620-1-hdanton@sina.com>
2025-03-24 11:34 ` syzbot
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