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

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Message-ID: <67e6be9a.050a0220.2f068f.007f.GAE@google.com>
Date: Fri, 28 Mar 2025 08:22:02 -0700
From: syzbot <syzbot+62262fdc0e01d99573fc@...kaller.appspotmail.com>
To: asmadeus@...ewreck.org, brauner@...nel.org, dhowells@...hat.com, 
	ericvh@...nel.org, jack@...e.cz, jlayton@...nel.org, kprateek.nayak@....com, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux_oss@...debyte.com, lucho@...kov.net, mjguzik@...il.com, 
	netfs@...ts.linux.dev, oleg@...hat.com, swapnil.sapkal@....com, 
	syzkaller-bugs@...glegroups.com, v9fs@...ts.linux.dev, 
	viro@...iv.linux.org.uk
Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+62262fdc0e01d99573fc@...kaller.appspotmail.com
Tested-by: syzbot+62262fdc0e01d99573fc@...kaller.appspotmail.com

Tested on:

commit:         aaec5a95 pipe_read: don't wake up the writer if the pi..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1598064c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8d5a2956e94d7972
dashboard link: https://syzkaller.appspot.com/bug?extid=62262fdc0e01d99573fc
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16682a4c580000

Note: testing is done by a robot and is best-effort only.