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

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Message-ID: <000000000000e238bf05d7a69450@google.com>
Date:   Thu, 10 Feb 2022 01:29:05 -0800
From:   syzbot <syzbot+8ce4113dadc4789fac74@...kaller.appspotmail.com>
To:     andrii@...nel.org, andriin@...com, ast@...nel.org,
        bpf@...r.kernel.org, corbet@....net, daniel@...earbox.net,
        davem@...emloft.net, dsahern@...il.com, dvyukov@...gle.com,
        eric.dumazet@...il.com, hawk@...nel.org, john.fastabend@...il.com,
        kafai@...com, kpsingh@...nel.org, kuba@...nel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, toke@...hat.com, yhs@...com
Subject: Re: [syzbot] WARNING in bpf_warn_invalid_xdp_action

syzbot suspects this issue was fixed by commit:

commit 2cbad989033bff0256675c38f96f5faab852af4b
Author: Paolo Abeni <pabeni@...hat.com>
Date:   Tue Nov 30 10:08:06 2021 +0000

    bpf: Do not WARN in bpf_warn_invalid_xdp_action()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10d50baa700000
start commit:   b3c8e0de473e Merge branch '40GbE' of git://git.kernel.org/..
git tree:       net
kernel config:  https://syzkaller.appspot.com/x/.config?x=1a86c22260afac2f
dashboard link: https://syzkaller.appspot.com/bug?extid=8ce4113dadc4789fac74
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=113c8a3bb00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16eb4307b00000

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

#syz fix: bpf: Do not WARN in bpf_warn_invalid_xdp_action()

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