Hi,
On 07/23/2014 10:12 AM, Chao Yu wrote:
> Hi Andrey Gu,
>
>> -Original Message-
>> From: Andrey Tsyvarev [mailto:tsyva...@ispras.ru]
>> Sent: Tuesday, July 22, 2014 6:04 PM
>> To: Gu Zheng
>> Cc: Jaegeuk Kim; linux-kernel; Alexey Khoroshilov;
>> linux-f2fs-devel@lists.sourceforge.net
Hi Andrey Gu,
> -Original Message-
> From: Andrey Tsyvarev [mailto:tsyva...@ispras.ru]
> Sent: Tuesday, July 22, 2014 6:04 PM
> To: Gu Zheng
> Cc: Jaegeuk Kim; linux-kernel; Alexey Khoroshilov;
> linux-f2fs-devel@lists.sourceforge.net
> Subject: Re: [f2fs-dev] f2fs: Possible use-after-fre
The compile time option BLKDISCARD conflicts with ioctl code
for discard. This causes discard to fail with "Info: This
device doesn't support TRIM". Rename compile time option
to WITH_BLKDISCARD.
Signed-off-by: Sankalp Bose
---
configure.ac | 2 +-
mkfs/Makefile.am | 2 +-
mk
Hi Gu,
>> Investigation shows, that f2fs_evict_inode, when called for 'meta_inode',
>> uses invalidate_mapping_pages() for 'node_inode'.
>> But 'node_inode' is deleted before 'meta_inode' in f2fs_put_super via iput().
>>
>> It seems that in common usage scenario this use-after-free is benign,
>>
