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RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; URIBL_BLOCKED(0.00)[suse.de:dkim,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.com:email,suse.com:mid]; 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)[suse.de:dkim,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.com:email,suse.com:mid]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+] X-Virus-Scanned: clamav-milter 1.0.9 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v2 29/33] keyctl35: Test KEYCTL_CAPABILITIES size query 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 that calling KEYCTL_CAPABILITIES with a NULL buffer and buflen of 0 returns the total size in bytes of the keyrings subsystem capability array without faulting. Signed-off-by: Andrea Cervesato --- runtest/syscalls | 1 + testcases/kernel/syscalls/keyctl/.gitignore | 1 + testcases/kernel/syscalls/keyctl/keyctl35.c | 49 +++++++++++++++++++++++++++++ 3 files changed, 51 insertions(+) diff --git a/runtest/syscalls b/runtest/syscalls index 08877ff49..67d626c22 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -752,6 +752,7 @@ keyctl31 keyctl31 keyctl32 keyctl32 keyctl33 keyctl33 keyctl34 keyctl34 +keyctl35 keyctl35 kcmp01 kcmp01 kcmp02 kcmp02 diff --git a/testcases/kernel/syscalls/keyctl/.gitignore b/testcases/kernel/syscalls/keyctl/.gitignore index f2ce330d7..58ebb452f 100644 --- a/testcases/kernel/syscalls/keyctl/.gitignore +++ b/testcases/kernel/syscalls/keyctl/.gitignore @@ -32,3 +32,4 @@ /keyctl32 /keyctl33 /keyctl34 +/keyctl35 diff --git a/testcases/kernel/syscalls/keyctl/keyctl35.c b/testcases/kernel/syscalls/keyctl/keyctl35.c new file mode 100644 index 000000000..43a8e2c7b --- /dev/null +++ b/testcases/kernel/syscalls/keyctl/keyctl35.c @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2026 Andrea Cervesato + */ + +/*\ + * Test ``KEYCTL_CAPABILITIES`` size query of :manpage:`keyctl(2)`, added in Linux 5.3. + * + * [Algorithm] + * + * - call ``KEYCTL_CAPABILITIES`` with NULL buffer and ``buflen = 0`` + * - verify the return value is at least 2 bytes + * - verify calling ``KEYCTL_CAPABILITIES`` with a valid buffer returns the + * same size + */ + +#include "keyctl_common.h" + +static unsigned char buf[8]; + +static void run(void) +{ + long size; + + TEST(keyctl(KEYCTL_CAPABILITIES, (unsigned long)NULL, 0, 0, 0)); + if (TST_RET < 0) + tst_brk(TBROK | TTERRNO, "KEYCTL_CAPABILITIES size query failed"); + + size = TST_RET; + if (size < 2) { + tst_res(TFAIL, "KEYCTL_CAPABILITIES size query returned %ld, expected >= 2", + size); + return; + } + + tst_res(TPASS, "KEYCTL_CAPABILITIES size query returned %ld", size); + + TST_EXP_VAL(keyctl(KEYCTL_CAPABILITIES, (unsigned long)buf, sizeof(buf), 0, 0), + size); +} + +static struct tst_test test = { + .test_all = run, + .min_kver = "5.3", + .needs_kconfigs = (const char *[]) { + "CONFIG_KEYS=y", + NULL + }, +}; -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp