netdev - Re: [PATCH net-next v2] netlink: don't forget to release a rhashtable

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Date:   Wed, 7 Sep 2016 12:55:14 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Andrei Vagin <avagin@...nvz.org>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH net-next v2] netlink: don't forget to release a
 rhashtable_iter structure

On Tue, Sep 06, 2016 at 09:31:17PM -0700, Andrei Vagin wrote:
> This bug was detected by kmemleak:
> unreferenced object 0xffff8804269cc3c0 (size 64):
>   comm "criu", pid 1042, jiffies 4294907360 (age 13.713s)
>   hex dump (first 32 bytes):
>     a0 32 cc 2c 04 88 ff ff 00 00 00 00 00 00 00 00  .2.,............
>     00 01 00 00 00 00 ad de 00 02 00 00 00 00 ad de  ................
>   backtrace:
>     [<ffffffff8184dffa>] kmemleak_alloc+0x4a/0xa0
>     [<ffffffff8124720f>] kmem_cache_alloc_trace+0x10f/0x280
>     [<ffffffffa02864cc>] __netlink_diag_dump+0x26c/0x290 [netlink_diag]
> 
> v2: don't remove a reference on a rhashtable_iter structure to
>     release it from netlink_diag_dump_done
> 
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Fixes: ad202074320c ("netlink: Use rhashtable walk interface in diag dump")
> Signed-off-by: Andrei Vagin <avagin@...nvz.org>

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Thanks for catching this!
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt