Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev

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To: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx>, Shaohua Li <shli@xxxxxxxxxx>
Subject: Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
From: Sebastian Roesner <sroesner-kernelorg@xxxxxxxxxxxxxxxxx>
Date: Sun, 10 Apr 2016 20:01:30 +0200
Cc: Ming Lei <ming.lei@xxxxxxxxxxxxx>, linux-bcache@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, Ming Lin <mlin@xxxxxxxxxx>, Vlad-Cosmin Miu <miuvlad@xxxxxxxxx>, rjones@xxxxxxxxxx, Kent Overstreet <kent.overstreet@xxxxxxxxx>, jmoyer@xxxxxxxxxx, axboe@xxxxxx
In-reply-to: <alpine.LRH.2.11.1604011812170.5949@mail.ewheeler.net>

Hello Eric, Shaohua,

Am 01.04.2016 um 20:14 schrieb Eric Wheeler:
> Hey Sebastian,
>
> Have you had a chance to test the patch below from Shaohua Li?

I just tried the patch and it did not crash anymore.

Sebastian


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References:
- Bug - bcache: "unable to handle kernel NULL pointer dereference" when trying to add a md caching device
  - From: Sebastian Roesner
- Re: Bug - bcache: "unable to handle kernel NULL pointer dereference" when trying to add a md caching device
  - From: Eric Wheeler
- Re: Bug - bcache: "unable to handle kernel NULL pointer dereference" when trying to add a md caching device
  - From: Eric Wheeler
- Re: Bug - bcache: "unable to handle kernel NULL pointer dereference" when trying to add a md caching device
  - From: Sebastian Roesner
- [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
  - From: Eric Wheeler
- Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
  - From: Ming Lei
- Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
  - From: Sebastian Roesner
- Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
  - From: Shaohua Li
- Re: [BUG] NULL pointer in raid1_make_request passed to bio_trim when adding md as bcache caching dev
  - From: Eric Wheeler

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