Re: Possible memory leak in block/ll_rw_blk.c

From: FUJITA Tomonori
Date: Wed Dec 13 2006 - 10:49:18 EST


From: "Catalin Marinas" <catalin.marinas@xxxxxxxxx>
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@xxxxxxxxx> 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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