linux-kernel - Re: KASAN: use-after-free Read in kfree

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Date:   Mon, 10 Jun 2019 17:03:01 -0700
From:   syzbot <syzbot+dcb1305dd05699c40640@...kaller.appspotmail.com>
To:     johan.hedberg@...il.com, linux-bluetooth@...r.kernel.org,
        linux-kernel@...r.kernel.org, marcel@...tmann.org,
        syzkaller-bugs@...glegroups.com, thierry.reding@...il.com
Subject: Re: KASAN: use-after-free Read in kfree_skb (3)

syzbot has bisected this bug to:

commit 5ec8c48a6235175f7ff59ed1acbe91d4d0398026
Author: Thierry Reding <thierry.reding@...il.com>
Date:   Thu Jul 6 15:16:47 2017 +0000

     Merge branch 'for-4.13/drivers' into for-next

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14ef22daa00000
start commit:   d1fdb6d8 Linux 5.2-rc4
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=16ef22daa00000
console output: https://syzkaller.appspot.com/x/log.txt?x=12ef22daa00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=fa9f7e1b6a8bb586
dashboard link: https://syzkaller.appspot.com/bug?extid=dcb1305dd05699c40640
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13c787f2a00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10e32801a00000

Reported-by: syzbot+dcb1305dd05699c40640@...kaller.appspotmail.com
Fixes: 5ec8c48a6235 ("Merge branch 'for-4.13/drivers' into for-next")

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