APPLIED: [SRU][Artful][PATCH 0/1] iov_iter: fix page_copy_sane for compound pages

Khaled Elmously khalid.elmously at canonical.com
Wed Jun 6 23:26:08 UTC 2018


Applied to artful

On 2018-06-01 12:29:36 , Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1772031
> 
> == SRU Justification ==
> Artful is missing commit a90bcb86ae70, which was sent
> to upstream stable.  Since upstream 4.13 is EOL, Artful never got it. 
> 
> Because Artful does not have this commit when receiving large UDP packages 
> with a small MTU there are backtraces, examples posted in the bug.
> 
> Commit a90bcb86ae70 is in mainline as ov v4.14-rc2 and is only needed in
> Artful.
> 
> == Fix ==
> a90bcb86ae70 ("iov_iter: fix page_copy_sane for compound pages")
> 
> == Regression Potential ==
> Low.  This commit fixes a current regression in Artful.  It was also
> cc'd to stable, so it has had additional upstream review.
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> 
> Petar Penkov (1):
>   iov_iter: fix page_copy_sane for compound pages
> 
>  lib/iov_iter.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> -- 
> 2.7.4
> 
> 
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