From patchwork Tue Jul 9 10:45:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13727640 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2CAF01581FF; Tue, 9 Jul 2024 10:45:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521939; cv=none; b=oFFdhPsbg41S1KQNYh4wXdY5jwToACEtBbXLfWfO5IwLF0mtlWD9TFoqXaGbw7yIdniEF44c0TfsXDqJZBATnzW5tnIqUIdcS4dn2chItyXKf30QnozbzxzC/tuyrTts+U5emkPW/tylLrarQzqImFkxzNCWX85SJU6zwytogSw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521939; c=relaxed/simple; bh=zWDobaG8+4Fp9/magr7yNxdMa1X/mKRHFTpGE9mDP2I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cIaolhKWYg5JHEXfc53s+tR3lJ02ecnkyBvTgLZWZC/0IVfZ8RiieXDUwKJADvynN3+KvIPN7N2+PO1wqhIinme8MBX94jJm8tsxMbx9ZUTI/A+RDc0O0j3jFUdHXdhZpFvrV9I1TIGMBp1V8eYrUuKOFWHChX0/jD3Vb2OWJ2E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u89TQQcF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="u89TQQcF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1022C4AF0C; Tue, 9 Jul 2024 10:45:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720521938; bh=zWDobaG8+4Fp9/magr7yNxdMa1X/mKRHFTpGE9mDP2I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u89TQQcFek8y/8h/614eArzcNyIaagStnvaN9Sk8/jPwdLdkoliglDzbfdmsDMbH2 q/kdFrjEZjP9sHEEhVD55QGe0RBIST0Akm11JxOoFTGxRcDMHhirWEeYimm859+R3u AuOerM5TD2f5NkPIPd5kPjS7+EbbyFFA1ogBaUbob9OmV/6se4bCGUNIWMsfei4tx/ nOSF/DVh7Dct6yzzwKHknZeTmpI+sznhCAo5ueILijYkgabRNi46fzeNbZMV8MvvdJ C+amNvIdf/xxofdSXvNtZit3NKrveXz3JMggLwfXxnwrD0Tp+u/+yQS03uIF48U5nj fr1v6ycgCUn9Q== From: Geliang Tang To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next 1/3] selftests/bpf: Null checks for links in bpf_tcp_ca Date: Tue, 9 Jul 2024 18:45:06 +0800 Message-ID: <3ac5d24825bdf666eae4089a8c69d8e97a6194d2.1720521482.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang Run bpf_tcp_ca selftests (./test_progs -t bpf_tcp_ca) on a Loongarch platform, some "Segmentation fault" errors occur: ''' test_dctcp:PASS:bpf_dctcp__open_and_load 0 nsec test_dctcp:FAIL:bpf_map__attach_struct_ops unexpected error: -524 #29/1 bpf_tcp_ca/dctcp:FAIL test_cubic:PASS:bpf_cubic__open_and_load 0 nsec test_cubic:FAIL:bpf_map__attach_struct_ops unexpected error: -524 #29/2 bpf_tcp_ca/cubic:FAIL test_dctcp_fallback:PASS:dctcp_skel 0 nsec test_dctcp_fallback:PASS:bpf_dctcp__load 0 nsec test_dctcp_fallback:FAIL:dctcp link unexpected error: -524 #29/4 bpf_tcp_ca/dctcp_fallback:FAIL test_write_sk_pacing:PASS:open_and_load 0 nsec test_write_sk_pacing:FAIL:attach_struct_ops unexpected error: -524 #29/6 bpf_tcp_ca/write_sk_pacing:FAIL test_update_ca:PASS:open 0 nsec test_update_ca:FAIL:attach_struct_ops unexpected error: -524 settcpca:FAIL:setsockopt unexpected setsockopt: \ actual -1 == expected -1 (network_helpers.c:99: errno: No such file or directory) \ Failed to call post_socket_cb start_test:FAIL:start_server_str unexpected start_server_str: \ actual -1 == expected -1 test_update_ca:FAIL:ca1_ca1_cnt unexpected ca1_ca1_cnt: \ actual 0 <= expected 0 #29/9 bpf_tcp_ca/update_ca:FAIL #29 bpf_tcp_ca:FAIL Caught signal #11! Stack trace: ./test_progs(crash_handler+0x28)[0x5555567ed91c] linux-vdso.so.1(__vdso_rt_sigreturn+0x0)[0x7ffffee408b0] ./test_progs(bpf_link__update_map+0x80)[0x555556824a78] ./test_progs(+0x94d68)[0x5555564c4d68] ./test_progs(test_bpf_tcp_ca+0xe8)[0x5555564c6a88] ./test_progs(+0x3bde54)[0x5555567ede54] ./test_progs(main+0x61c)[0x5555567efd54] /usr/lib64/libc.so.6(+0x22208)[0x7ffff2aaa208] /usr/lib64/libc.so.6(__libc_start_main+0xac)[0x7ffff2aaa30c] ./test_progs(_start+0x48)[0x55555646bca8] Segmentation fault ''' This is because BPF trampoline is not implemented on Loongarch yet, "link" returned by bpf_map__attach_struct_ops() is NULL. test_progs crashs when this NULL link passes to bpf_link__update_map(). This patch adds NULL checks for all links in bpf_tcp_ca to fix these errors. If "link" is NULL, goto the newly added label "out" to destroy the skel. v2: - use "goto out" instead of "return" as Eduard suggested. Signed-off-by: Geliang Tang Reviewed-by: Alan Maguire --- .../selftests/bpf/prog_tests/bpf_tcp_ca.c | 21 +++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c index d842ff64bc2a..efc1bf2ff7de 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c @@ -411,7 +411,8 @@ static void test_update_ca(void) return; link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); - ASSERT_OK_PTR(link, "attach_struct_ops"); + if (!ASSERT_OK_PTR(link, "attach_struct_ops")) + goto out; do_test(&opts); saved_ca1_cnt = skel->bss->ca1_cnt; @@ -425,6 +426,7 @@ static void test_update_ca(void) ASSERT_GT(skel->bss->ca2_cnt, 0, "ca2_ca2_cnt"); bpf_link__destroy(link); +out: tcp_ca_update__destroy(skel); } @@ -447,7 +449,8 @@ static void test_update_wrong(void) return; link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); - ASSERT_OK_PTR(link, "attach_struct_ops"); + if (!ASSERT_OK_PTR(link, "attach_struct_ops")) + goto out; do_test(&opts); saved_ca1_cnt = skel->bss->ca1_cnt; @@ -460,11 +463,13 @@ static void test_update_wrong(void) ASSERT_GT(skel->bss->ca1_cnt, saved_ca1_cnt, "ca2_ca1_cnt"); bpf_link__destroy(link); +out: tcp_ca_update__destroy(skel); } static void test_mixed_links(void) { + struct bpf_link *link = NULL, *link_nl = NULL; struct cb_opts cb_opts = { .cc = "tcp_ca_update", }; @@ -473,7 +478,6 @@ static void test_mixed_links(void) .cb_opts = &cb_opts, }; struct tcp_ca_update *skel; - struct bpf_link *link, *link_nl; int err; skel = tcp_ca_update__open_and_load(); @@ -481,10 +485,12 @@ static void test_mixed_links(void) return; link_nl = bpf_map__attach_struct_ops(skel->maps.ca_no_link); - ASSERT_OK_PTR(link_nl, "attach_struct_ops_nl"); + if (!ASSERT_OK_PTR(link_nl, "attach_struct_ops_nl")) + goto out; link = bpf_map__attach_struct_ops(skel->maps.ca_update_1); - ASSERT_OK_PTR(link, "attach_struct_ops"); + if (!ASSERT_OK_PTR(link, "attach_struct_ops")) + goto out; do_test(&opts); ASSERT_GT(skel->bss->ca1_cnt, 0, "ca1_ca1_cnt"); @@ -492,6 +498,7 @@ static void test_mixed_links(void) err = bpf_link__update_map(link, skel->maps.ca_no_link); ASSERT_ERR(err, "update_map"); +out: bpf_link__destroy(link); bpf_link__destroy(link_nl); tcp_ca_update__destroy(skel); @@ -536,7 +543,8 @@ static void test_link_replace(void) bpf_link__destroy(link); link = bpf_map__attach_struct_ops(skel->maps.ca_update_2); - ASSERT_OK_PTR(link, "attach_struct_ops_2nd"); + if (!ASSERT_OK_PTR(link, "attach_struct_ops_2nd")) + goto out; /* BPF_F_REPLACE with a wrong old map Fd. It should fail! * @@ -559,6 +567,7 @@ static void test_link_replace(void) bpf_link__destroy(link); +out: tcp_ca_update__destroy(skel); } From patchwork Tue Jul 9 10:45:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13727641 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9871F156C52; Tue, 9 Jul 2024 10:45:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521945; cv=none; b=EwvyPW5mpmJ+0Z3F+mbJxNnm8XDSMxF8ursk9HcSIIaVev8TGlx3s+GRawvo3iDN/DNvVmFpUdfsHT6qqET7UYvRxfDL7h89zhHLP1V3TmoDFpC0E3n3Yu1DB6HvSFd81gFWoXUSxyXjhtfePpE4eU79EqTXRRg4UxWI7vN1F/I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521945; c=relaxed/simple; bh=hmjwmTe8b1GB+C1d/4hMo/lqfZJ/M0EEE8YnVa0/e5k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sQh0jH/9PlMx3TMtYpBAh7vYcbotScofBT017IUtlon/wG7lut+/ql6CZSTfgkTh9/bFL1AKqCy8/PzlZe1l0tfdpVHDix9X+/u+/QqFVxofYiye2hBqVaw1wNhi45vogkmlUtzp8W2zPL4vkBIZD881jy0BZaQczRLelMewKCY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BukPSD85; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BukPSD85" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 641D3C4AF0A; Tue, 9 Jul 2024 10:45:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720521945; bh=hmjwmTe8b1GB+C1d/4hMo/lqfZJ/M0EEE8YnVa0/e5k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BukPSD854xBfKLSX6uCP3ZDbOfxQP6dZ7lcUBgfBR4+56CpW1C37G+FlIKHn8Yjm0 0Qt6xX9pwHIHdxm4jrqJCkgb1jFy6dr00FmHNuaqZ6y6b82ocmWWJK6ovmLiP8n6H/ 9OZh3P2DOceU9ZorqsGc0OIFUAhXZ8s5qafrFcUS9LVyJccpalzaYpTmMbqVhk4oNZ 9pmkHAP2fYyrpRnZWHae6e8QlBrnAvR/VxF4M0ZPFcwyG4tykOjgzIfBbILvdKJeS+ n4nrimdXGNIHyixqckZzdz/5inzsDuJN2OacCZUc0Wc2rid14A0amrQ2kQdl+a/sWp 3MRy6q/qVYT8g== From: Geliang Tang To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next 2/3] selftests/bpf: Check ASSERT_OK(err) in dummy_st_ops Date: Tue, 9 Jul 2024 18:45:07 +0800 Message-ID: <21fbc0db764656805340085ef2a77c8a770ef1d0.1720521482.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang Run dummy_st_ops selftests (./test_progs -t dummy_st_ops) on a Loongarch platform, some "unexpected arg" errors occur: ''' #78/1 dummy_st_ops/dummy_st_ops_attach:OK test_dummy_init_ret_value:FAIL:test_ret unexpected test_ret: \ actual 0 != expected 4076074229 #78/2 dummy_st_ops/dummy_init_ret_value:FAIL #78/3 dummy_st_ops/dummy_init_ptr_arg:SKIP test_dummy_multiple_args:FAIL:arg 0 unexpected arg 0: \ actual 0 != expected 7 test_dummy_multiple_args:FAIL:arg 1 unexpected arg 1: \ actual 0 != expected -100 test_dummy_multiple_args:FAIL:arg 2 unexpected arg 2: \ actual 0 != expected 35423 test_dummy_multiple_args:FAIL:arg 3 unexpected arg 3: \ actual 0 != expected 99 test_dummy_multiple_args:FAIL:arg 4 unexpected arg 4: \ actual 0 != expected 1311768467139281697 #78/4 dummy_st_ops/dummy_multiple_args:FAIL #78/5 dummy_st_ops/dummy_sleepable:SKIP #78/6 dummy_st_ops/dummy_sleepable_reject_null:OK #78/7 dummy_st_ops/test_unsupported_field_sleepable:OK #78 dummy_st_ops:FAIL ''' This is because BPF trampoline is not implemented on Loongarch yet, bpf_prog_test_run_opts() returns ENOTSUPP. This patch checks the return values of bpf_prog_test_run_opts() in dummy_st_ops to fix these errors. If error returned, goto the newly added label "out" to destroy the skel. Signed-off-by: Geliang Tang Reviewed-by: Alan Maguire Tested-by: Alan Maguire --- tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c b/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c index d3d94596ab79..a208801f524f 100644 --- a/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c +++ b/tools/testing/selftests/bpf/prog_tests/dummy_st_ops.c @@ -41,9 +41,11 @@ static void test_dummy_init_ret_value(void) fd = bpf_program__fd(skel->progs.test_1); err = bpf_prog_test_run_opts(fd, &attr); - ASSERT_OK(err, "test_run"); + if (!ASSERT_OK(err, "test_run")) + goto out; ASSERT_EQ(attr.retval, 0xf2f3f4f5, "test_ret"); +out: dummy_st_ops_success__destroy(skel); } @@ -115,13 +117,15 @@ static void test_dummy_multiple_args(void) fd = bpf_program__fd(skel->progs.test_2); err = bpf_prog_test_run_opts(fd, &attr); - ASSERT_OK(err, "test_run"); + if (!ASSERT_OK(err, "test_run")) + goto out; args[0] = 7; for (i = 0; i < ARRAY_SIZE(args); i++) { snprintf(name, sizeof(name), "arg %zu", i); ASSERT_EQ(skel->bss->test_2_args[i], args[i], name); } +out: dummy_st_ops_success__destroy(skel); } From patchwork Tue Jul 9 10:45:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geliang Tang X-Patchwork-Id: 13727642 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E99815699E; Tue, 9 Jul 2024 10:45:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521952; cv=none; b=imzwn/LqXjjtDWgctrZbyiUocic9tN4kHyYqaoAuBku0VAPbXNYUhrR9One+07QRQhyuXbKkmiQ7B4CXyIo9/B5HksSL2FexBYX2AOojd2oi/aKraUUgmCGW/ayKH9Ti3V8ImWl/1mKkqAbjg5tAsPMKTQw/Jo8PIlXZUeo7QoI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720521952; c=relaxed/simple; bh=w6ec2huPARUWSaFkMfBkaPiPU+YqLo6r7sO4dLoGjRM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=I2r2Oifwn9EYmvMAcWIc5L75oNjjKGGo3F+Ur3Vpt9st7yPZWlDrHMOq+9+owU2zSpaHFs4OL9c+fDRmFRKQnUCGHzevdx8QIaAaYnqP3H+OLP+iQjWJGsKv4TBGLYTuxWoNJJQMKUarm38W2khNNcdmAak79ZrZPQ5IWEKdSek= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BOF41gxn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BOF41gxn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D38CBC4AF0A; Tue, 9 Jul 2024 10:45:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720521951; bh=w6ec2huPARUWSaFkMfBkaPiPU+YqLo6r7sO4dLoGjRM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BOF41gxnjgDHMXhHkN7b2GqHPlatafR5kwojlj5+1XBoEC/ceBYtOtBJoU9cB7Tqk Z5rCkzIq/GthiMu+hP3Rcym6EFHzKE3gwTXccbPdz8Kdq5WTwOF67XxP+vPiPua+cF 7Ix1WM0C1vM5cdfsKH17Tcr0OS5Df/OeROkSEWuMmiQtxZ7OKovB9Lw64VJHTDzOB7 l2Xc3rV6jb6k+zWX3nNZHArAOL8XPMx6tbLKcB6Zpxk2Wig0zOhO/HgbZZD6Tk42BZ 9yUpHrEBPXC6rU6OqZgtsjAAFtFinasQ4UoBFb6QEn8eJRwKci03EOU4bpChh6Bz6t sMSBYGwkS72Tg== From: Geliang Tang To: Andrii Nakryiko , Eduard Zingerman , Mykola Lysenko , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan Cc: Geliang Tang , bpf@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: [PATCH bpf-next 3/3] selftests/bpf: Close obj in error paths in xdp_adjust_tail Date: Tue, 9 Jul 2024 18:45:08 +0800 Message-ID: <3e55e7dc99f0331566cc3bb140fc189a0f8943e9.1720521482.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Geliang Tang If bpf_object__load() fails in test_xdp_adjust_frags_tail_grow(), "obj" opened before this should be closed. So use "goto out" to close it instead of using "return" here. Signed-off-by: Geliang Tang Reviewed-by: Alan Maguire --- tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c index f09505f8b038..53d6ad8c2257 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c @@ -222,7 +222,7 @@ static void test_xdp_adjust_frags_tail_grow(void) prog = bpf_object__next_program(obj, NULL); if (bpf_object__load(obj)) - return; + goto out; prog_fd = bpf_program__fd(prog);