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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: hi, Leon Hwang, On Tue, Jun 25, 2024 at 04:25:00PM +0800, Leon Hwang wrote: > > > On 25/6/24 14:55, kernel test robot wrote: > > > > > > Hello, > > > > kernel test robot noticed "test-bpf.Tail_call_count_preserved_across_function_calls.fail" on: > > > > commit: f663a03c8e35c5156bad073a4a8f5e673d656e3f ("bpf, x64: Remove tail call detection") > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > > > [test failed on linux-next/master 62c97045b8f720c2eac807a5f38e26c9ed512371] > > > > in testcase: test-bpf > > version: > > with following parameters: > > > > test: non-jit > > > > > > > > compiler: gcc-13 > > test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory > > > > (please refer to attached dmesg/kmsg for entire log/backtrace) > > > > > > > > > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > > the same patch/commit), kindly add following tags > > | Reported-by: kernel test robot > > | Closes: https://lore.kernel.org/oe-lkp/202406251415.c51865bc-oliver.sang@intel.com > > > > > > > > [ 43.913560] test_bpf: #0 Tail call leaf jited:1 5 PASS > > [ 43.913572] test_bpf: #1 Tail call 2 jited:1 ret -1 != 3 FAIL > > [ 43.914138] test_bpf: #2 Tail call 3 jited:1 ret -1 != 6 FAIL > > [ 43.914756] test_bpf: #3 Tail call 4 jited:1 ret -1 != 10 FAIL > > [ 43.915374] test_bpf: #4 Tail call load/store leaf jited:1 5 PASS > > [ 43.915993] test_bpf: #5 Tail call load/store jited:1 ret -1 != 0 FAIL > > [ 43.916636] test_bpf: #6 Tail call error path, max count reached jited:1 ret 1000 != 34000 FAIL > > [ 43.917319] test_bpf: #7 Tail call count preserved across function calls jited:1 ret 1000 != 34000 FAIL > > [ 43.918799] test_bpf: #8 Tail call error path, NULL target jited:1 5 PASS > > [ 43.919720] test_bpf: #9 Tail call error path, index out of range jited:1 5 PASS > > [ 43.920474] test_bpf: test_tail_calls: Summary: 4 PASSED, 6 FAILED, [10/10 JIT'ed] > > > > Hi, > > May I request the source code of these test cases? > I do not find them in lkp-tests. test-bpf doesn't have source code. you could refer to https://github.com/intel/lkp-tests/blob/master/programs/test-bpf/run to see how it runs. then https://github.com/intel/lkp-tests/blob/master/programs/test-bpf/parse to see how the results are parsed. > > Thanks, > Leon > > > > > > > The kernel config and materials to reproduce are available at: > > https://download.01.org/0day-ci/archive/20240625/202406251415.c51865bc-oliver.sang@intel.com > > > > > >