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SubjectRe: [PATCH 0/6] sysctl: add pending proc_do_large_bitmap fix
On 3/21/19 11:42 AM, Kees Cook wrote:
> On Wed, Mar 20, 2019 at 3:28 PM Luis Chamberlain <> wrote:
>> Andrew, Kees,
>> Eric sent a fix out for proc_do_large_bitmap() last month for when
>> using a large input buffer. After patch review a test case for the issue
>> was built and submitted. I noticed there were a few issues with the
>> tests, but instead of just asking Eric to address them I've taken
>> care of them and ammended the commit where necessary. There's a
>> few issues he reported which I also address and fix in this series.
>> Since we *do* expect users of these scripts to also use them on older
>> kernels, I've also addressed not breaking calling the script for them,
>> and gives us an easy way to easily extend our tests cases for future
>> kernels as well.
>> Before anyone considers these for stable as minor fixes, I'd recommend
>> we also address the discrepancy on the read side of things: modify the
>> test script to use diff against the target file instead of using the
>> temp file.
>> Eric Sandeen (2):
>> test_sysctl: add proc_do_large_bitmap() test case
>> sysctl: Fix proc_do_large_bitmap for large input buffers
>> Luis Chamberlain (4):
>> test_sysctl: remove superfluous test_reqs()
>> test_sysctl: load module before testing for it
>> test_sysctl: ignore diff output on verify_diff_w()
>> test_sysctl: allow graceful use on older kernels
> Thanks for collecting and updating these!
> Acked-by: Kees Cook <>
> Andrew, can you carry these?

Ping? This seems to have never made it off the list into anybody's


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