Re: [PATCH] mm, swap: bounds check swap_info accesses to avoid NULL derefs

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To: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] mm, swap: bounds check swap_info accesses to avoid NULL derefs
From: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>
Date: Wed, 30 Jan 2019 20:52:32 -0500
Cc: Daniel Jordan <daniel.m.jordan@xxxxxxxxxx>, dan.carpenter@xxxxxxxxxx, andrea.parri@xxxxxxxxxxxxxxxxxxxx, shli@xxxxxxxxxx, ying.huang@xxxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, sfr@xxxxxxxxxxxxxxxx, osandov@xxxxxx, tj@xxxxxxxxxx, ak@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, kernel-janitors@xxxxxxxxxxxxxxx, paulmck@xxxxxxxxxxxxx, stern@xxxxxxxxxxxxxxxxxxx, peterz@xxxxxxxxxxxxx, will.deacon@xxxxxxx
In-reply-to: <20190129222622.440a6c3af63c57f0aa5c09ca@linux-foundation.org>
References: <20190114222529.43zay6r242ipw5jb@ca-dmjordan1.us.oracle.com> <20190115002305.15402-1-daniel.m.jordan@oracle.com> <20190129222622.440a6c3af63c57f0aa5c09ca@linux-foundation.org>
User-agent: NeoMutt/20180323-268-5a959c

On Tue, Jan 29, 2019 at 10:26:22PM -0800, Andrew Morton wrote:
> LGTM, but like most people I'm afraid to ack it ;)
> 
> mm-swap-fix-race-between-swapoff-and-some-swap-operations.patch is very
> stuck so can you please redo this against mainline?

Yep, I can do that.

Follow-Ups:
- [PATCH v2] mm, swap: bounds check swap_info array accesses to avoid NULL derefs
  - From: Daniel Jordan

References:
- Re: [PATCH] mm, swap: Potential NULL dereference in get_swap_page_of_type()
  - From: Daniel Jordan
- [PATCH] mm, swap: bounds check swap_info accesses to avoid NULL derefs
  - From: Daniel Jordan
- Re: [PATCH] mm, swap: bounds check swap_info accesses to avoid NULL derefs
  - From: Andrew Morton

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