linux-kernel - Re: [PATCH 4.17 00/67] 4.17.7-stable review

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Date:   Mon, 16 Jul 2018 23:28:35 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        lkft-triage@...ts.linaro.org,
        linux- stable <stable@...r.kernel.org>, ltp@...ts.linux.it
Subject: Re: [PATCH 4.17 00/67] 4.17.7-stable review

On 16 July 2018 at 13:04, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> This is the start of the stable review cycle for the 4.17.7 release.
> There are 67 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Wed Jul 18 07:34:11 UTC 2018.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
>         https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.17.7-rc1.gz
> or in the git tree and branch at:
>         git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.17.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Results from Linaro’s test farm.
Regressions detected.

LTP syscalls failed test cases on all devices arm64, arm32 and x86_64,
 - creat08
 - open10

Reported this bug internally on upstream Linux mainline week back.
Now this bug happening on 4.17, 4.14, 4.9 and 4.4

creat08 and open10 failed with this error,
TFAIL  : testdir.B.3132/setgid: Incorrect modes, setgid bit should be set

Test case description:
/*
 * NAME
 * creat08.c - Verifies that the group ID and setgid bit are
 *    set correctly when a new file is created.
 *    (ported from SPIE, section2/iosuite/creat5.c,
 *     by Airong Zhang <zhanga@...ibm.com>)
 * CALLS
 * creat
 *
 * ALGORITHM
 * Create two directories, one with the group ID of this process
 * and the setgid bit not set, and the other with a group ID
 * other than that of this process and with the setgid bit set.
 * In each directory, create a file with and without the setgid
 * bit set in the creation modes. Verify that the modes and group
 * ID are correct on each of the 4 files.
 * As root, create a file with the setgid bit on in the
 * directory with the setgid bit.
 * This tests the SVID3 create group semantics.
 */

Block2 testing:
/*--------------------------------------------------------------*/
/* Block2: Create two files in testdir.B, one with the setgid   */
/*         bit set in the creation modes and the other without. */
/*    Both should inherit the group ID of the parent       */
/*    directory, group2.                                   */
/*--------------------------------------------------------------*/

Test results comparison on mainline versions,
https://qa-reports.linaro.org/lkft/linux-mainline-oe/tests/ltp-syscalls-tests/creat08
https://qa-reports.linaro.org/lkft/linux-mainline-oe/tests/ltp-syscalls-tests/open10

Test results comparison on 4.17 versions,
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.17-oe/tests/ltp-syscalls-tests/creat08
https://qa-reports.linaro.org/lkft/linux-stable-rc-4.17-oe/tests/ltp-syscalls-tests/open10

Bug report link,
https://bugs.linaro.org/show_bug.cgi?id=3940

Summary
------------------------------------------------------------------------

kernel: 4.17.7-rc1
git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git branch: linux-4.17.y
git commit: bc0bd9e05fa1e213c689620eb4cba825c03dcc4a
git describe: v4.17.6-68-gbc0bd9e05fa1
Test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-4.17-oe/build/v4.17.6-68-gbc0bd9e05fa1

Regressions (compared to build v4.17.6-67-g3b02b1fd1975)
------------------------------------------------------------------------

LTP syscalls failed test cases on all devices,

 - creat08
 - open10

-- 
Linaro LKFT
https://lkft.linaro.org