linux-kernel - Re: [syzbot] WARNING in ipvlan_l3s

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] [day] [month] [year] [list]

Date:   Fri, 31 Dec 2021 18:18:11 -0800
From:   syzbot <syzbot+bb3d7a24f705078b1286@...kaller.appspotmail.com>
To:     davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
        fw@...len.de, harshit.m.mogalapalli@...cle.com, kuba@...nel.org,
        linux-kernel@...r.kernel.org, marcelo.leitner@...il.com,
        mige07@...eof.com, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, yajun.deng@...ux.dev
Subject: Re: [syzbot] WARNING in ipvlan_l3s_unregister

syzbot suspects this issue was fixed by commit:

commit f123cffdd8fe8ea6c7fded4b88516a42798797d0
Author: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
Date:   Mon Nov 29 17:53:27 2021 +0000

    net: netlink: af_netlink: Prevent empty skb by adding a check on len.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11e95e2bb00000
start commit:   6ba1b005ffc3 Merge tag 'asm-generic-fixes-5.8' of git://gi..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=812bbfcb6ae2cd60
dashboard link: https://syzkaller.appspot.com/bug?extid=bb3d7a24f705078b1286
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103edc82900000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: net: netlink: af_netlink: Prevent empty skb by adding a check on len.

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