Re: [PATCH] kasan/quarantine: fix NULL pointer dereference bug

From	Joonsoo Kim <js1304@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] kasan/quarantine: fix NULL pointer dereference bug
Date	2016-07-01 16:00 +0200
Message-ID	<rQ798-7jz-3@gated-at.bofh.it> (permalink)
References	<rQ1wJ-3SM-17@gated-at.bofh.it> <rQ4Eh-5XI-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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2016-07-01 17:11 GMT+09:00 Andrey Ryabinin <aryabinin@virtuozzo.com>:
>
>
> On 07/01/2016 10:53 AM, js1304@gmail.com wrote:
>> From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
>>
>> If we move an item on qlist's tail, we need to update qlist's tail
>> properly. curr->next can be NULL since it is singly linked list
>> so it is invalid for tail. curr is scheduled to be moved so
>> using prev would be correct.
>
> Hmm.. prev may be the element that moved in 'to' list. We need to assign the last element
> from which is in ther 'from' list.

You're right. Also, I find another bug on this function.
I manage them on v2 and sent.

Thanks.

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[PATCH] kasan/quarantine: fix NULL pointer dereference bug js1304@gmail.com - 2016-07-01 10:00 +0200
  Re: [PATCH] kasan/quarantine: fix NULL pointer dereference bug Kuthonuzo Luruo <poll.stdin@gmail.com> - 2016-07-01 13:20 +0200
  Re: [PATCH] kasan/quarantine: fix NULL pointer dereference bug Joonsoo Kim <js1304@gmail.com> - 2016-07-01 16:00 +0200

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