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SubjectRe: NULL pointer dereference in mainline and next
From
From: Will Deacon <will.deacon@arm.com>
Date: Mon, 28 Nov 2011 14:35:58 +0000

> On Mon, Nov 28, 2011 at 02:33:24PM +0000, Eric Dumazet wrote:
>> Le lundi 28 novembre 2011 à 14:18 +0000, Will Deacon a écrit :
>> > Hello,
>> >
>> > Commit f04565dd ("dev: use name hash for dev_seq_ops") requires a struct
>> > dev_iter_state to be allocated for the seq_file->private member, as that is
>> > used to implement the name hash.
>> >
>> > Unfortunately, the dev_mcast code wasn't updated and so only allocates space
>> > for a seq_net_private, leading to the following NULL dereference (removed
>> > static inline annotations to get sane backtrace):
>
> [...]
>
>> Anton Blanchard already provided a fix for this problem.
>>
>> http://patchwork.ozlabs.org/patch/127931/
>
> Ok, great - as long as it gets fixed!

Please in the future report networking bugs to netdev@vger.kernel.org as that
will reach the largest number of networking developers.

Thanks.
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