linux-kernel - Re: [crng_reseed] WARNING: inconsistent lock state

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Date:   Sun, 29 Apr 2018 20:17:45 +0800
From:   Fengguang Wu <fengguang.wu@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Theodore Ts'o <tytso@....edu>,
        "Jason A. Donenfeld" <Jason@...c4.com>, LKP <lkp@...org>,
        gkohli@...eaurora.org
Subject: Re: [crng_reseed] WARNING: inconsistent lock state

On Sun, Apr 29, 2018 at 03:07:06AM +0000, Linus Torvalds wrote:
>On Sat, Apr 28, 2018 at 7:26 PM Fengguang Wu <fengguang.wu@...el.com> wrote:
>
>> FYI this happens in mainline kernel 4.17.0-rc2.
>> It looks like a new regression.
>
>> It occurs in 3 out of 3 boots.
>
>> There is another "[  294.642506] BUG: sleeping function called from
>> invalid context at mm/slab.h:421" at the bottom of this long dmesg:
>
>This should be fixed by commit 6c1e851c4edc ("random: fix possible sleeping
>allocation from irq context").

Yes that fixes the bug. Sorry for the late report!

Regards,
Fengguang