linux-kernel - Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx

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Message-ID: <000000000000563cff06013807a0@google.com>
Date:   Mon, 24 Jul 2023 02:13:33 -0700
From:   syzbot <syzbot+14736e249bce46091c18@...kaller.appspotmail.com>
To:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, haoluo@...gle.com, hdanton@...a.com,
        john.fastabend@...il.com, jolsa@...nel.org, kpsingh@...nel.org,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        martin.lau@...ux.dev, netdev@...r.kernel.org, sdf@...gle.com,
        song@...nel.org, syzkaller-bugs@...glegroups.com, yhs@...com
Subject: Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx_uninstall

syzbot has bisected this issue to:

commit e420bed025071a623d2720a92bc2245c84757ecb
Author: Daniel Borkmann <daniel@...earbox.net>
Date:   Wed Jul 19 14:08:52 2023 +0000

    bpf: Add fd-based tcx multi-prog infra with link support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14c60c6aa80000
start commit:   03b123debcbc tcp: tcp_enter_quickack_mode() should be static
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16c60c6aa80000
console output: https://syzkaller.appspot.com/x/log.txt?x=12c60c6aa80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297
dashboard link: https://syzkaller.appspot.com/bug?extid=14736e249bce46091c18
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133f36c6a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11a8e73aa80000

Reported-by: syzbot+14736e249bce46091c18@...kaller.appspotmail.com
Fixes: e420bed02507 ("bpf: Add fd-based tcx multi-prog infra with link support")

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