From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5C7FBC61DD6 for ; Wed, 2 Sep 2026 11:07:31 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 066E03E2D90 for ; Wed, 2 Sep 2026 13:07:30 +0200 (CEST) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [217.194.8.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id F2C313E93AB for ; Wed, 2 Sep 2026 13:04:40 +0200 (CEST) Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2a07:de40:b251:101:10:150:64:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-5.smtp.seeweb.it (Postfix) with ESMTPS id 6B3C6600B45 for ; Wed, 2 Sep 2026 13:04:40 +0200 (CEST) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 2CF8621E2E; Wed, 2 Sep 2026 11:04:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1788347075; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zJZfplWPyyVc+1uM2pLScCalESSECkb/q8mtnRWJKYc=; b=rzn/Psn17ogVB6Svv6tjdx9I/NBCj6bflUxrgKv5AL9oKlUudLm5ldaWdzhOQAEZmlhgKo 2w0GnnnkFQguvIG2wENoNGyjdckLEXz5VJowbMWrvMwsymuHbhNZ/lj07R1+ffyjAzBFaL JePBSvSbhVoYkWb0E3JqqD+GAfvjg8Y= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1788347075; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zJZfplWPyyVc+1uM2pLScCalESSECkb/q8mtnRWJKYc=; b=H2hastZsy+A5XRulg5w49nZmHRQsTJQSoYvBv9Y8D6RV47DCTBvggaKADn74XUix+2qgNh MlvPZQeW+bCDDXCw== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=psrDlISu; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=TjLwhowO DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1788347071; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zJZfplWPyyVc+1uM2pLScCalESSECkb/q8mtnRWJKYc=; b=psrDlISuXuU0JHRUuo2MSPZlACDLxrzfpiTZfymc7w/x7EyRFs7JxSQTR44HY8oJ+sGgQo KK7SAu1ssozXG/YW1/BahhehHxxOJoFS3Ipj0tda6zu4hjWEzymb47lXu4oT6kyLy3Ir8s PU+/7ZWKsznaQJEhjV8YwaVfTMWyj7s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1788347071; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zJZfplWPyyVc+1uM2pLScCalESSECkb/q8mtnRWJKYc=; b=TjLwhowO18laQlMbFvTKwXjI87Swg5Li30tLgYR90LxV1qSLzS/lyEfNu8ZMFRPhRhW3i2 2Uj1RI4Z4NV5RaAg== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 7849913976; Wed, 2 Sep 2026 11:04:23 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 8EutG7cCmGpzQwAAD6G6ig (envelope-from ); Wed, 02 Sep 2026 11:04:23 +0000 From: Andrea Cervesato Date: Wed, 02 Sep 2026 13:04:23 +0200 MIME-Version: 1.0 Message-Id: <20260902-keyctl_coverage-v1-8-d29dfa2ebcef@suse.com> References: <20260902-keyctl_coverage-v1-0-d29dfa2ebcef@suse.com> In-Reply-To: <20260902-keyctl_coverage-v1-0-d29dfa2ebcef@suse.com> To: Linux Test Project X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788347062; l=3148; i=andrea.cervesato@suse.com; s=20251210; h=from:subject:message-id; bh=QPZPaU/pNiZP89O1mDougadtkoSNRrsEfz+V7ZCczjQ=; b=tQ/Iqgu4OK4S3s9WvGsArDIsL/gtBkzigxHnB9UHy09F8VzHyJYm9QhnakcjycMzCPbQyjgpf 8q7LLhTeIRSCf7fNqp3V9wqLP0ZpqsLm3ju/tXg+qOPqy2Cwe6EViI3 X-Developer-Key: i=andrea.cervesato@suse.com; a=ed25519; pk=zKY+6GCauOiuHNZ//d8PQ/UL4jFCTKbXrzXAOQSLevI= X-Rspamd-Queue-Id: 2CF8621E2E X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received,2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_VIA_SMTP_AUTH(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; TO_DN_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,suse.com:mid,suse.com:email]; DKIM_TRACE(0.00)[suse.de:+] X-Virus-Scanned: clamav-milter 1.0.9 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 08/33] keyctl16: Test KEYCTL_GET_SECURITY truncated copy X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato Test KEYCTL_GET_SECURITY truncated copy behavior: verify that calling with a 1-byte buffer receives exactly one byte while the return value still reports the full label length. Signed-off-by: Andrea Cervesato --- runtest/syscalls | 1 + testcases/kernel/syscalls/keyctl/.gitignore | 1 + testcases/kernel/syscalls/keyctl/keyctl16.c | 74 +++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+) diff --git a/runtest/syscalls b/runtest/syscalls index da901baae..89c8a95af 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -733,6 +733,7 @@ keyctl12 keyctl12 keyctl13 keyctl13 keyctl14 keyctl14 keyctl15 keyctl15 +keyctl16 keyctl16 kcmp01 kcmp01 kcmp02 kcmp02 diff --git a/testcases/kernel/syscalls/keyctl/.gitignore b/testcases/kernel/syscalls/keyctl/.gitignore index 852fee4ea..c351716d0 100644 --- a/testcases/kernel/syscalls/keyctl/.gitignore +++ b/testcases/kernel/syscalls/keyctl/.gitignore @@ -13,3 +13,4 @@ /keyctl13 /keyctl14 /keyctl15 +/keyctl16 diff --git a/testcases/kernel/syscalls/keyctl/keyctl16.c b/testcases/kernel/syscalls/keyctl/keyctl16.c new file mode 100644 index 000000000..f5662e326 --- /dev/null +++ b/testcases/kernel/syscalls/keyctl/keyctl16.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2026 Andrea Cervesato + */ + +/*\ + * Test ``KEYCTL_GET_SECURITY`` truncated copy of :manpage:`keyctl(2)`. + * + * ``KEYCTL_GET_SECURITY`` returns the full length of the label, but unlike + * ``KEYCTL_DESCRIBE`` the kernel performs a truncated copy when the user + * buffer is too small. + * + * [Algorithm] + * + * - verify a one byte buffer receives exactly one byte while the full + * length is still returned + */ + +#include "keyctl_common.h" + +#define KEY_DESC "ltpkeyctl16" +#define PAYLOAD "payload" +#define BUF_SIZE 128 + +static key_serial_t key; +static long sec_len; +static char buf[BUF_SIZE]; + +static void setup(void) +{ + SAFE_KEYCTL(KEYCTL_JOIN_SESSION_KEYRING, 0, 0, 0, 0); + + key = new_user_key(KEY_DESC, PAYLOAD, sizeof(PAYLOAD), + KEY_SPEC_PROCESS_KEYRING); + SAFE_KEYCTL(KEYCTL_SETPERM, key, KEY_PERM_SET, 0, 0); + + TEST(keyctl(KEYCTL_GET_SECURITY, key, (unsigned long)NULL, 0, 0)); + if (TST_RET < 0) + tst_brk(TBROK | TTERRNO, "KEYCTL_GET_SECURITY failed"); + + sec_len = TST_RET; +} + +static void run(void) +{ + size_t i; + + memset(buf, 0xAA, sizeof(buf)); + TST_EXP_EQ_LI_SILENT(keyctl(KEYCTL_GET_SECURITY, key, + (unsigned long)buf, 1, 0), sec_len); + if (!TST_PASS) + return; + + if (buf[0] == (char)0xAA) { + tst_res(TFAIL, "nothing was copied into the buffer"); + return; + } + + for (i = 1; i < sizeof(buf); i++) { + if (buf[i] != (char)0xAA) { + tst_res(TFAIL, "copy overran the buffer at offset %zu", + i); + return; + } + } + + tst_res(TPASS, "exactly one byte copied, full length %ld returned", + sec_len); +} + +static struct tst_test test = { + .setup = setup, + .test_all = run, +}; -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp