lkml.org 
[lkml]   [2021]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [syzbot] WARNING in ieee802154_del_seclevel
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

\
 
 \ /
  Last update: 2021-04-01 21:06    [W:0.094 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site