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

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Message-ID: <CA+55aFwwsHmfn7i9TjQW73RYDctBdt4QBgyUG-OJ=+on_n0f_Q@mail.gmail.com>
Date:   Sun, 29 Apr 2018 03:07:06 +0000
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Wu Fengguang <fengguang.wu@...el.com>
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 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").

                 Linus