On 2015/3/20 17:05, Greg KH wrote:
> On Fri, Mar 20, 2015 at 04:59:42PM +0800, Zhang Zhen wrote:
>> We need to check the position and size of file writes against various
>> limits, using generic_write_check(). This was not being done for
>> the splice write path. It was fixed upstream by commit 8d0207652cbe
>> ("->splice_write() via ->write_iter()") but we can't apply that.
>>
>> CVE-2014-7822
>>
>> Signed-off-by: Ben Hutchings <[email protected]>
>> [Ben fixed it in 3.2 stable, i ported it to 3.10 stable]
>> Signed-off-by: Zhang Zhen <[email protected]>
>> ---
>> fs/ocfs2/file.c | 8 +++++---
>> fs/splice.c | 8 ++++++--
>> 2 files changed, 11 insertions(+), 5 deletions(-)
>
> What is the git commit id of this in Linus's tree?
In Linus's tree the commit is 8d0207652cbe, but this commit can't be
applied to 3.10-stable.
So i ported Ben's fix from 3.2-stable. It's commit id is
894c6350eaad7e613ae267504014a456e00a3e2a in 3.2-stable tree.
Best regards!
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