netdev - Re: [syzbot] WARNING: suspicious RCU usage (5)

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: <0000000000008b8cd205e2187ea2@google.com>
Date:   Thu, 23 Jun 2022 00:35:13 -0700
From:   syzbot <syzbot+9cbc6bed3a22f1d37395@...kaller.appspotmail.com>
To:     alobakin@...me, bp@...en8.de, daniel@...earbox.net, hpa@...or.com,
        jmattson@...gle.com, john.fastabend@...il.com, joro@...tes.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, netdev@...r.kernel.org, pbonzini@...hat.com,
        seanjc@...gle.com, syzkaller-bugs@...glegroups.com,
        tglx@...utronix.de, vkuznets@...hat.com, wanpengli@...cent.com,
        x86@...nel.org, xuanzhuo@...ux.alibaba.com
Subject: Re: [syzbot] WARNING: suspicious RCU usage (5)

syzbot has bisected this issue to:

commit c2ff53d8049f30098153cd2d1299a44d7b124c57
Author: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Date:   Thu Feb 18 20:50:02 2021 +0000

    net: Add priv_flags for allow tx skb without linear

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11596838080000
start commit:   a5b00f5b78b7 Merge branch 'hns3-fixres'
git tree:       net
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13596838080000
console output: https://syzkaller.appspot.com/x/log.txt?x=15596838080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=20ac3e0ebf0db3bd
dashboard link: https://syzkaller.appspot.com/bug?extid=9cbc6bed3a22f1d37395
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=143b22abf00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=125194eff00000

Reported-by: syzbot+9cbc6bed3a22f1d37395@...kaller.appspotmail.com
Fixes: c2ff53d8049f ("net: Add priv_flags for allow tx skb without linear")

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