linux-kernel - Re: Possible memory leak in block/ll_rw

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Message-Id: <20061213214552C.fujita.tomonori@lab.ntt.co.jp>
Date:	Wed, 13 Dec 2006 21:45:52 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	catalin.marinas@...il.com
Cc:	linux-kernel@...r.kernel.org, michaelc@...wisc.edu,
	fujita.tomonori@....ntt.co.jp
Subject: Re: Possible memory leak in block/ll_rw_blk.c

From: "Catalin Marinas" <catalin.marinas@...il.com>
Subject: Re: Possible memory leak in block/ll_rw_blk.c
Date: Wed, 13 Dec 2006 10:00:05 +0000

> On 09/12/06, Catalin Marinas <catalin.marinas@...il.com> wrote:
> > unreferenced object 0xdd9162b0 (size 64):
> >   [<c018d46f>] kmem_cache_alloc
> >   [<c0170b2e>] mempool_alloc_slab
> >   [<c01709cb>] mempool_alloc
> >   [<c01b7baa>] bio_alloc_bioset
> >   [<c01b7d0e>] bio_alloc
> >   [<c01b83f8>] bio_copy_user
> >   [<c021a380>] __blk_rq_map_user
> >   [<c021a4ff>] blk_rq_map_user
> >   [<c021e687>] sg_io
> >   [<c021ed3e>] scsi_cmd_ioctl
> >   [<c02bcc13>] sd_ioctl
> >   [<c021ca65>] blkdev_driver_ioctl
> >   [<c021cc27>] blkdev_ioctl
> >   [<c01ba72b>] block_ioctl
> >   [<c019ea36>] do_ioctl
> 
> I can confirm that the memory leak disappeared with commit
> 77d172ce2719b5ad2dc0637452c8871d9cba344c (by Fujita Tomonori).

Thanks. And sorry for introducing that bug.
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