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AJvYcCV2jlKqY2UEonMyN/AxOZHKqgwVTeR5vb6QtTHH7oUGmZKtCPoWqOz2/6o5n059kglxAvmWTXTBzjCtcOlfVK9xMeOm X-Gm-Message-State: AOJu0YwVwNOnvXeRWLE5sCGJ6+6dMMRBlXWpUqBbH84MbaB8PoJAn/5e JLasyexUUgOya4W9OaSyl65BJGK6gB6mA24WhCJ2Dp/XcwioPGgq X-Google-Smtp-Source: AGHT+IHHtCpPitKeFignih/Zbj7MxleXlHtKMu6APKY8FCO4SUGxC+GN7Lm7vSGr6hOFkVSmcD67Fw== X-Received: by 2002:a05:6358:7e88:b0:1a4:617d:6fea with SMTP id e5c5f4694b2df-1a4617d7377mr119874755d.6.1719303904573; Tue, 25 Jun 2024 01:25:04 -0700 (PDT) Received: from [10.22.68.7] ([122.11.166.8]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-716bb041180sm6664845a12.80.2024.06.25.01.25.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Jun 2024 01:25:03 -0700 (PDT) Message-ID: Date: Tue, 25 Jun 2024 16:25:00 +0800 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [linux-next:master] [bpf, x64] f663a03c8e: test-bpf.Tail_call_count_preserved_across_function_calls.fail To: kernel test robot Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Alexei Starovoitov , bpf@vger.kernel.org References: <202406251415.c51865bc-oliver.sang@intel.com> Content-Language: en-US From: Leon Hwang In-Reply-To: <202406251415.c51865bc-oliver.sang@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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. 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 > > >