linux-kernel - Re: [PATCH v3] m68k: Fix memblock-related crashes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 17 Dec 2018 20:34:27 +0100
From:   Andreas Schwab <schwab@...ux-m68k.org>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     rppt@...ux.ibm.com, Michael Schmitz <schmitzmic@...il.com>,
        Sam Creasey <sammy@...my.net>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] m68k: Fix memblock-related crashes

On Dez 17 2018, Andreas Schwab <schwab@...ux-m68k.org> wrote:

> On Dez 13 2018, Andreas Schwab <schwab@...ux-m68k.org> wrote:
>
>> I'm now getting this Oops:
>>
>> [   65.390000] Unable to handle kernel NULL pointer dereference at virtual address (ptrval)
>> [   65.390000] Oops: 00000000
>> [   65.390000] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat virtio_rng virtio_blk virtio_ring virtio xfs btrfs xor zlib_deflate raid6_pq libcrc32c reiserfs squashfs fuse dm_snapshot dm_bufio dm_mod binfmt_misc loop sg
>> [   65.390000] PC: [<00211544>] blk_throtl_bio+0x10e/0x592
>
> And the crash does not occur when I revert commit 1008a11590.

That is not true, so this is an unrelated bug.

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."