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List:       linux-kernel
Subject:    Re: [BUG] NULL pointer dereference in udf_sb_free_partitions
From:       James Hogan <james () albanarts ! com>
Date:       2013-01-14 21:06:37
Message-ID: 20130114210637.GA2122 () balrog
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Hi,

On Mon, Jan 14, 2013 at 02:19:39PM +0900, Namjae Jeon wrote:
> There is missing exception handling in memory leak patch. (udf: Fix
> memory leak when mounting)
> So, Would you try to reproduce this problem with the below patch ?
> 
> Thanks.
> 
> ---------------------------------------------------------------------------
> Subject: [PATCH] UDF: Fix a null pointer dereference in udf_sb_free_partitions
> 
> This patch fixes a regression caused by commit bff943af6fe
> "udf: Fix memory leak when mounting" due to which it was triggering
> a kernel null point dereference in case of mount failed OR when allocating
> memory to sbi->s_partmaps failed in function udf_sb_alloc_partition_maps.
> 
> Reported-by: James Hogan <james@albanarts.com>
> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com>

v3.8-rc3 + your patch no longer crashes.

Tested-by: James Hogan <james@albanarts.com>

Thanks
James
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