On 04/23/2018 08:32 AM, kernel test robot wrote:
>
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: 4f7b25baf0cefa88aa267e8ff60150c4ac1479ef ("bpf: sockmap, refactor
> sockmap routines to work with hashmap")
> url:
> https://github.com/0day-ci/linux/commits/John-Fastabend/bpf-sockmap-free-memory-on-sock-close-with-cork-data/20180401-230416
> base: https://git.kernel.org/cgit/linux/kernel/git/bpf/bpf-next.git master
(fyi, refers to https://patchwork.ozlabs.org/patch/894017/ which is not in
tree.)
> in testcase: kernel_selftests
> with following parameters:
>
> group: kselftests-00
>
> test-description: The kernel contains a set of "self tests" under the
> tools/testing/selftests/ directory. These are intended to be small unit tests
> to exercise individual code paths in the kernel.
> test-url: https://www.kernel.org/doc/Documentation/kselftest.txt
>
>
> on test machine: qemu-system-x86_64 -enable-kvm -cpu host -smp 4 -m 5G
>
> caused below changes (please refer to attached dmesg/kmsg for entire
> log/backtrace):
>
>
> selftests: test_maps
> ========================================
> Failed allowed duplicate programs in update ANY sockmap 0 '4:8'
> not ok 1..3 selftests: test_maps [FAIL]
>
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> bin/lkp qemu -k <bzImage> job-script # job-script is attached in this
> email
>
>
>
> Thanks,
> Xiaolong
>
