From nobody Tue Feb 10 19:49:20 2026 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (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 7730C327C19; Tue, 6 Jan 2026 11:45:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767699905; cv=none; b=L/dftE8FlQZWfBY/1MTENxvRTPcI04/a3kLGW9EQHVq6dBncsHUb0xJ5F5M/iDyxN7Qt8QUjOrxJ43S4V790N42YVCV7MrjwThGkrNNrzjNWYG7jmDuIjRLhJQvrs4hWR3NOE1ENcfI3ztjDFYw+dPSDmhRwevZC01Aq7bcuG+0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767699905; c=relaxed/simple; bh=zb9bN9rbR0iyuS4wR/xd9vkvuSwQkcd8PxRy3TtU9lM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=un1d3xHcc65Lzst4rYv8pxoQfjg4w/EXDZEdryG9rKBSOKGEw/ceHO0Qh4hZzPOTMHwap+A39oTZl5DRy8djDnp6TM+l362gaEI7XrwthCmZSDqRgv5/mnmORyWnfCqd/yF/zy8zJmwnxD9gR4/H62kBBbK3v8w4YZADRf58u1w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=kwBy0Gd6; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="kwBy0Gd6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1767699898; bh=zb9bN9rbR0iyuS4wR/xd9vkvuSwQkcd8PxRy3TtU9lM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=kwBy0Gd607rp4Oi48SZZ7vvDiqOVw+Pk0rTD5wI/RVGgXFA5iPDNX9g32hcMNK5Ic Ka7fpBml4v3YvTHFzGCjKJWqIJQW7hZRdqCeJcaOjOaMeazYkBwCsKi+pSpk1OIk1f OOBKbL1IFokq9b6aUf3VkqKIUClecdBGu/o3z2GE= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Tue, 06 Jan 2026 12:44:57 +0100 Subject: [PATCH 1/3] selftests/nolibc: try to read from stdin in readv_zero test Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260106-nolibc-selftests-v1-1-f82101c2c505@weissschuh.net> References: <20260106-nolibc-selftests-v1-0-f82101c2c505@weissschuh.net> In-Reply-To: <20260106-nolibc-selftests-v1-0-f82101c2c505@weissschuh.net> To: Willy Tarreau , Shuah Khan Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1767699897; l=1589; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=zb9bN9rbR0iyuS4wR/xd9vkvuSwQkcd8PxRy3TtU9lM=; b=I3DNnS/PbkWw8AnzLdnqiurqAVrlw1AzcoJkEdXUan3QxKwxkRm6rxyGmR1aSe1glgIDQxCec 1KjjUk5me+LDDIAtqQ+Xg2y6crtktkq0dzZM2Yos2iZJOMfMB/cYOiN X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= When stdout is redirected to a file this test fails. This happens when running through the kselftest runner since commit d9e6269e3303 ("selftests/run_kselftest.sh: exit with error if tests fail"). For consistency with other tests that read from a file descriptor, switch to stdin over stdout. The tests are still brittle against a redirected stdin, but at least they are now consistently so. Signed-off-by: Thomas Wei=C3=9Fschuh --- tools/testing/selftests/nolibc/nolibc-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/s= elftests/nolibc/nolibc-test.c index 3986d55a6ff6..e83c1e7e2beb 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1404,7 +1404,7 @@ int run_syscall(int min, int max) CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EB= ADF); break; CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break; CASE_TEST(readv_badf); EXPECT_SYSER(1, readv(-1, &iov_one, 1), -1= , EBADF); break; - CASE_TEST(readv_zero); EXPECT_SYSZR(1, readv(1, NULL, 0)); break; + CASE_TEST(readv_zero); EXPECT_SYSZR(1, readv(0, NULL, 0)); break; CASE_TEST(writev_badf); EXPECT_SYSER(1, writev(-1, &iov_one, 1), -= 1, EBADF); break; CASE_TEST(writev_zero); EXPECT_SYSZR(1, writev(1, NULL, 0)); break; CASE_TEST(ptrace); EXPECT_SYSER(1, ptrace(PTRACE_CONT, getpid= (), NULL, NULL), -1, ESRCH); break; --=20 2.52.0