Messages in this thread | | | Date | Tue, 24 Apr 2018 08:55:41 -0400 | From | "Theodore Y. Ts'o" <> | Subject | Re: WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected |
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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
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