From: Alan Stern <stern@rowland.harvard.edu>
To: syzbot <syzbot+fbf4fc11a819824e027b@syzkaller.appspotmail.com>
Cc: a@unstable.cc, alex.aring@gmail.com,
b.a.t.m.a.n@lists.open-mesh.org, davem@davemloft.net,
info@sophiescuban.com, jkosina@suse.cz, kuba@kernel.org,
linux-kernel@vger.kernel.org, linux-wpan@vger.kernel.org,
mareklindner@neomailbox.ch, netdev@vger.kernel.org,
stefan@datenfreihafen.org, sw@simonwunderlich.de,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] WARNING in ieee802154_del_seclevel
Date: Thu, 1 Apr 2021 09:30:37 -0400 [thread overview]
Message-ID: <20210401133037.GA1052133@rowland.harvard.edu> (raw)
In-Reply-To: <00000000000020564605bedb716e@google.com>
On Wed, Mar 31, 2021 at 02:03:08PM -0700, syzbot wrote:
> syzbot has bisected this issue to:
>
> commit 416dacb819f59180e4d86a5550052033ebb6d72c
> Author: Alan Stern <stern@rowland.harvard.edu>
> Date: Wed Aug 21 17:27:12 2019 +0000
>
> HID: hidraw: Fix invalid read in hidraw_ioctl
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=127430fcd00000
> start commit: 6e5a03bc ethernet/netronome/nfp: Fix a use after free in n..
> git tree: net
> final oops: https://syzkaller.appspot.com/x/report.txt?x=117430fcd00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=167430fcd00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=daeff30c2474a60f
> dashboard link: https://syzkaller.appspot.com/bug?extid=fbf4fc11a819824e027b
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13bfe45ed00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1188e31ad00000
>
> Reported-by: syzbot+fbf4fc11a819824e027b@syzkaller.appspotmail.com
> Fixes: 416dacb819f5 ("HID: hidraw: Fix invalid read in hidraw_ioctl")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
It seems likely that the bisection ran off the rails here. This commit
could not have caused a problem, although it may have revealed a
pre-existing problem that previously was hidden.
By the way, what happened to the annotated stack dumps that syzkaller
used to provide in its bug reports?
Alan Stern
next prev parent reply other threads:[~2021-04-01 19:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 9:44 WARNING in ieee802154_del_seclevel syzbot
2021-03-30 21:08 ` [syzbot] " syzbot
2021-03-31 21:03 ` syzbot
2021-04-01 13:30 ` Alan Stern [this message]
2021-04-13 8:32 ` Dmitry Vyukov
2021-04-13 8:32 ` Dmitry Vyukov
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