lkml.org 
[lkml]   [2018]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
On Mon, Apr 23, 2018 at 10:49:12AM -0700, Dmitry Torokhov wrote:
> On Sun, Apr 22, 2018 at 7:02 PM, syzbot
> <syzbot+e1670f554caa60fb147b@syzkaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot hit the following crash on upstream commit
> > 285848b0f4074f04ab606f1e5dca296482033d54 (Sun Apr 22 04:20:48 2018 +0000)
> > Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
> > syzbot dashboard link: https://syzkaller.appspot.com/bug?extid=e1670f554caa60fb147b
>
> Ted,
>
> input_add_randomness() (that ends up calling crng_reseed() and the new
> numa_crng_init()) is called (and has been called ever since inception)
> from an interrupt context and thus may not sleep. The following commit
> breaks this:

Fixed by: https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1672186.html

Will be pushed to Linux shortly.

- Ted

\
 
 \ /
  Last update: 2018-04-24 14:56    [W:0.056 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site