Re: kmemeleak BUG: lock held when returning to user space!

[Sergey Senozhatsky]

On (07/09/09 11:47), Catalin Marinas wrote:
> Date: Thu, 09 Jul 2009 11:47:23 +0100
> From: Catalin Marinas <catalin.marinas@xxxxxxx>
> To: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxx>
> Cc: Pekka Enberg <penberg@xxxxxxxxxxxxxx>,
> 	"Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>,
> 	linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
> Subject: Re: kmemeleak BUG: lock held when returning to user space!
> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)
> 
> Sergey Senozhatsky <sergey.senozhatsky@xxxxxxx> wrote:
> > kernel: [  149.507103] ================================================
> > kernel: [  149.507113] [ BUG: lock held when returning to user space! ]
> > kernel: [  149.507119] ------------------------------------------------
> > kernel: [  149.507127] cat/3279 is leaving the kernel with locks still held!
> > kernel: [  149.507135] 1 lock held by cat/3279:
> > kernel: [  149.507141]  #0:  (scan_mutex){+.+.+.}, at: [<c110707c>] kmemleak_open+0x4c/0x80
> >
> > problem is here:
> > static int kmemleak_open(struct inode *inode, struct file *file)
> 
> It's been fixed in my kmemleak branch which I'll push to Linus:
> 
Ok. Nice to hear.

> http://www.linux-arm.org/git?p=linux-2.6.git;a=shortlog;h=kmemleak
> 
> -- 
> Catalin
> 

	Sergey

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