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[176.36.0.241]) by smtp.gmail.com with ESMTPSA id c10-20020a19e34a000000b004b4930d53b5sm3876784lfk.134.2022.12.31.08.31.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 31 Dec 2022 08:31:58 -0800 (PST) From: Eduard Zingerman To: bpf@vger.kernel.org, ast@kernel.org Cc: andrii@kernel.org, daniel@iogearbox.net, kernel-team@fb.com, yhs@fb.com, Eduard Zingerman Subject: [RFC bpf-next 5/5] selftests/bpf: don't match exact insn index in expected error message Date: Sat, 31 Dec 2022 18:31:22 +0200 Message-Id: <20221231163122.1360813-6-eddyz87@gmail.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221231163122.1360813-1-eddyz87@gmail.com> References: <20221231163122.1360813-1-eddyz87@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Depending on the behavior of the C compiler statements like below could be translated as 1 or 2 instructions: C: int credit = 0; BPF: *(u32 *)(r10 -4) = 0 - or - r1 = 0 *(u32 *)(r10 -4) = r1 This commit relaxes expected error messages for a few tests to avoid matching exact instruction number. Signed-off-by: Eduard Zingerman --- tools/testing/selftests/bpf/prog_tests/log_fixup.c | 2 +- tools/testing/selftests/bpf/prog_tests/spin_lock.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/log_fixup.c b/tools/testing/selftests/bpf/prog_tests/log_fixup.c index f4ffdcabf4e4..760bd3155ea2 100644 --- a/tools/testing/selftests/bpf/prog_tests/log_fixup.c +++ b/tools/testing/selftests/bpf/prog_tests/log_fixup.c @@ -123,7 +123,7 @@ static void missing_map(void) ASSERT_FALSE(bpf_map__autocreate(skel->maps.missing_map), "missing_map_autocreate"); ASSERT_HAS_SUBSTR(log_buf, - "8: \n" + ": \n" "BPF map 'missing_map' is referenced but wasn't created\n", "log_buf"); diff --git a/tools/testing/selftests/bpf/prog_tests/spin_lock.c b/tools/testing/selftests/bpf/prog_tests/spin_lock.c index d9270bd3d920..1bdb99b588f0 100644 --- a/tools/testing/selftests/bpf/prog_tests/spin_lock.c +++ b/tools/testing/selftests/bpf/prog_tests/spin_lock.c @@ -19,12 +19,12 @@ static struct { "; R1_w=map_value(off=0,ks=4,vs=4,imm=0)\n2: (85) call bpf_this_cpu_ptr#154\n" "R1 type=map_value expected=percpu_ptr_" }, { "lock_id_mapval_preserve", - "8: (bf) r1 = r0 ; R0_w=map_value(id=1,off=0,ks=4,vs=8,imm=0) " - "R1_w=map_value(id=1,off=0,ks=4,vs=8,imm=0)\n9: (85) call bpf_this_cpu_ptr#154\n" + ": (bf) r1 = r0 ; R0_w=map_value(id=1,off=0,ks=4,vs=8,imm=0) " + "R1_w=map_value(id=1,off=0,ks=4,vs=8,imm=0)\n8: (85) call bpf_this_cpu_ptr#154\n" "R1 type=map_value expected=percpu_ptr_" }, { "lock_id_innermapval_preserve", - "13: (bf) r1 = r0 ; R0=map_value(id=2,off=0,ks=4,vs=8,imm=0) " - "R1_w=map_value(id=2,off=0,ks=4,vs=8,imm=0)\n14: (85) call bpf_this_cpu_ptr#154\n" + ": (bf) r1 = r0 ; R0=map_value(id=2,off=0,ks=4,vs=8,imm=0) " + "R1_w=map_value(id=2,off=0,ks=4,vs=8,imm=0)\n13: (85) call bpf_this_cpu_ptr#154\n" "R1 type=map_value expected=percpu_ptr_" }, { "lock_id_mismatch_kptr_kptr", "bpf_spin_unlock of different lock" }, { "lock_id_mismatch_kptr_global", "bpf_spin_unlock of different lock" }, -- 2.39.0