netdev - Re: [syzbot] [net] INFO: task hung in tun_chr

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Message-ID: <677aa8fd.050a0220.380ff0.0019.GAE@google.com>
Date: Sun, 05 Jan 2025 07:45:01 -0800
From: syzbot <syzbot+b0ae8f1abf7d891e0426@...kaller.appspotmail.com>
To: andrew+netdev@...n.ch, andrew@...n.ch, davem@...emloft.net, 
	edumazet@...gle.com, jason@...c4.com, jasowang@...hat.com, jhs@...atatu.com, 
	jiri@...nulli.us, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	mail@...ntry-targeted-traffic.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	syzkaller-bugs@...glegroups.com, vinicius.gomes@...el.com, 
	willemdebruijn.kernel@...il.com, wireguard@...ts.zx2c4.com, 
	xiyou.wangcong@...il.com
Subject: Re: [syzbot] [net] INFO: task hung in tun_chr_close (5)

syzbot has bisected this issue to:

commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@...el.com>
Date:   Sat Sep 29 00:59:43 2018 +0000

    tc: Add support for configuring the taprio scheduler

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11535418580000
start commit:   7ed2d9158877 qed: fix possible uninit pointer read in qed_..
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13535418580000
console output: https://syzkaller.appspot.com/x/log.txt?x=15535418580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac
dashboard link: https://syzkaller.appspot.com/bug?extid=b0ae8f1abf7d891e0426
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=112374f8580000

Reported-by: syzbot+b0ae8f1abf7d891e0426@...kaller.appspotmail.com
Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection