Re: [PATCH 5.17 000/772] 5.17.14-rc1 review

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On Wed, 8 Jun 2022 at 19:24, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> On Tue, 7 Jun 2022 at 23:41, Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > This is the start of the stable review cycle for the 5.17.14 release.
> > There are 772 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 Thu, 09 Jun 2022 16:48:02 +0000.
> > 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/v5.x/stable-review/patch-5.17.14-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-5.17.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> Results from Linaro’s test farm.
>
> Regressions found on qemu_x86_64:
>   - kunit/kasan [1]
>
> Regressions found on qemu_i386:
>   - kunit/kfence [2]
>   - kunit/test_out_of_bounds_read
>
> We will bisect and let you know more details about this reported problem.

The bisect script pointed me to this commit and  reverted and tested and
confirmed.

commit 1883088ed4a0d5cc9cea500ca4e89a354ab32c11
Author: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
Date:   Fri May 27 23:28:18 2022 +0800

    md: bcache: check the return value of kzalloc() in detached_dev_do_request()

    commit 40f567bbb3b0639d2ec7d1c6ad4b1b018f80cf19 upstream.

    The function kzalloc() in detached_dev_do_request() can fail, so its
    return value should be checked.

    Fixes: bc082a55d25c ("bcache: fix inaccurate io state for detached
bcache devices")
    Reported-by: TOTE Robot <oslab@xxxxxxxxxxxxxxx>
    Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
    Signed-off-by: Coly Li <colyli@xxxxxxx>
    Link: https://lore.kernel.org/r/20220527152818.27545-4-colyli@xxxxxxx
    Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
    Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index d15aae6c51c1..673a680240a9 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -1107,6 +1107,12 @@ static void detached_dev_do_request(struct
bcache_device *d, struct bio *bio,
         * which would call closure_get(&dc->disk.cl)
         */
        ddip = kzalloc(sizeof(struct detached_dev_io_private), GFP_NOIO);
+       if (!ddip) {
+               bio->bi_status = BLK_STS_RESOURCE;
+               bio->bi_end_io(bio);
+               return;
+       }
+
        ddip->d = d;
        /* Count on the bcache device */
        ddip->orig_bdev = orig_bdev;



> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
>
> [1] https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.17.y/build/v5.17.13-773-gd0f9b2818e1e/testrun/10038101/suite/kunit/test/kasan/details/
> [2] https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.17.y/build/v5.17.13-773-gd0f9b2818e1e/testrun/10038215/suite/kunit/test/kfence/details/
>
> ## Build
> * kernel: 5.17.14-rc1
> * git: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc
> * git branch: linux-5.17.y
> * git commit: d0f9b2818e1e4d43847e10d6e5310a0c653cb18f
> * git describe: v5.17.13-773-gd0f9b2818e1e
> * test details:
> https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.17.y/build/v5.17.13-773-gd0f9b2818e1e
>
> ## Test Regressions (compared to v5.17.11-188-g8eb69e8f0d45)
> Regressions found on qemu_x86_64:
>   - kunit/kasan [1]
>
> Regressions found on qemu_i386:
>   - kunit/kfence [2]
>   - kunit/test_out_of_bounds_read
>
> ## Metric Regressions (compared to v5.17.11-188-g8eb69e8f0d45)
> No metric regressions found.
>
> ## Test Fixes (compared to v5.17.11-188-g8eb69e8f0d45)
> No test fixes found.
>
> ## Metric Fixes (compared to v5.17.11-188-g8eb69e8f0d45)
> No metric fixes found.
>
> ## Test result summary
> total: 134591, pass: 121555, fail: 447, skip: 11730, xfail: 859
>
> ## Build Summary
> * arm: 17 total, 14 passed, 3 failed
> * arm64: 20 total, 20 passed, 0 failed
> * i386: 17 total, 12 passed, 5 failed
> * mips: 4 total, 1 passed, 3 failed
> * parisc: 2 total, 2 passed, 0 failed
> * powerpc: 5 total, 2 passed, 3 failed
> * riscv: 5 total, 5 passed, 0 failed
> * s390: 5 total, 2 passed, 3 failed
> * sh: 2 total, 0 passed, 2 failed
> * sparc: 2 total, 2 passed, 0 failed
> * x86_64: 20 total, 20 passed, 0 failed
>
> ## Test suites summary
> * fwts
> * kunit
> * kvm-unit-tests
> * libgpiod
> * libhugetlbfs
> * log-parser-boot
> * log-parser-test
> * ltp-cap_bounds
> * ltp-cap_bounds-tests
> * ltp-commands
> * ltp-commands-tests
> * ltp-containers
> * ltp-containers-tests
> * ltp-controllers-tests
> * ltp-cpuhotplug-tests
> * ltp-crypto
> * ltp-crypto-tests
> * ltp-cve-tests
> * ltp-dio-tests
> * ltp-fcntl-locktests
> * ltp-fcntl-locktests-tests
> * ltp-filecaps
> * ltp-filecaps-tests
> * ltp-fs
> * ltp-fs-tests
> * ltp-fs_bind
> * ltp-fs_bind-tests
> * ltp-fs_perms_simple
> * ltp-fs_perms_simple-tests
> * ltp-fsx
> * ltp-fsx-tests
> * ltp-hugetlb
> * ltp-hugetlb-tests
> * ltp-io
> * ltp-io-tests
> * ltp-ipc
> * ltp-ipc-tests
> * ltp-math-tests
> * ltp-mm-tests
> * ltp-nptl
> * ltp-nptl-tests
> * ltp-open-posix-tests
> * ltp-pty
> * ltp-pty-tests
> * ltp-sched-tests
> * ltp-securebits
> * ltp-securebits-tests
> * ltp-syscalls-tests
> * ltp-tracing-tests
> * network-basic-tests
> * packetdrill
> * perf
> * rcutorture
> * ssuite
> * v4l2-compliance
> * vdso
>
> --
> Linaro LKFT
> https://lkft.linaro.org




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