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Date:   Sun, 19 Jan 2020 01:35:01 -0800
From:   syzbot <syzbot+7b6206fb525c1f5ec3f8@...kaller.appspotmail.com>
To:     a@...table.cc, andrew@...n.ch, b.a.t.m.a.n@...ts.open-mesh.org,
        coreteam@...filter.org, davem@...emloft.net,
        florent.fourcot@...irst.fr, fw@...len.de, grygorii.strashko@...com,
        j-keerthy@...com, jeremy@...zel.net, johannes.berg@...el.com,
        kadlec@...filter.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, mareklindner@...mailbox.ch,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
        pablo@...filter.org, sw@...onwunderlich.de,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_port_ext_cleanup

syzbot has bisected this bug to:

commit 2f9b0d93a9d3ec64558537ab5d7cff820886afa4
Author: Keerthy <j-keerthy@...com>
Date:   Mon Jun 24 05:16:19 2019 +0000

    net: ethernet: ti: cpsw: Fix suspend/resume break

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17fcf959e00000
start commit:   e02d9c4c Merge branch 'bnxt_en-fixes'
git tree:       net
final crash:    https://syzkaller.appspot.com/x/report.txt?x=1402f959e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=1002f959e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7e89bd00623fe71e
dashboard link: https://syzkaller.appspot.com/bug?extid=7b6206fb525c1f5ec3f8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16551cc9e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14a04966e00000

Reported-by: syzbot+7b6206fb525c1f5ec3f8@...kaller.appspotmail.com
Fixes: 2f9b0d93a9d3 ("net: ethernet: ti: cpsw: Fix suspend/resume break")

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

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