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 098F1CAC5A7 for ; Tue, 23 Sep 2025 15:03:56 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 2C04E3CDEA7 for ; Tue, 23 Sep 2025 17:03:55 +0200 (CEST) Received: from in-2.smtp.seeweb.it (in-2.smtp.seeweb.it [IPv6:2001:4b78:1:20::2]) (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 8B8A03CAC1E for ; Tue, 23 Sep 2025 17:03:39 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2a07:de40:b251:101:10:150:64:2]) (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-2.smtp.seeweb.it (Postfix) with ESMTPS id D0393600272 for ; Tue, 23 Sep 2025 17:03:38 +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-out2.suse.de (Postfix) with ESMTPS id 91E0F1F7F2; Tue, 23 Sep 2025 15:03:37 +0000 (UTC) Authentication-Results: smtp-out2.suse.de; none 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 867101388C; Tue, 23 Sep 2025 15:03:37 +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 7d/WIMm20miFUQAAD6G6ig (envelope-from ); Tue, 23 Sep 2025 15:03:37 +0000 From: Avinesh Kumar To: ltp@lists.linux.it Date: Tue, 23 Sep 2025 17:03:36 +0200 Message-ID: <20250923150337.19821-1-akumar@suse.de> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: MIME-Version: 1.0 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-4.00 / 50.00]; REPLY(-4.00)[] X-Rspamd-Queue-Id: 91E0F1F7F2 X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Virus-Scanned: clamav-milter 1.0.7 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v3] Introduce ioctl_pidfd_get_info_supported() function 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" use this routine in ioctl_pidfd05 before proceeding with the test Suggested-by: Petr Vorel Signed-off-by: Avinesh Kumar --- testcases/kernel/syscalls/ioctl/ioctl_pidfd.h | 42 +++++++++++++++++++ .../kernel/syscalls/ioctl/ioctl_pidfd05.c | 9 +++- 2 files changed, 50 insertions(+), 1 deletion(-) diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h b/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h index 811f969cd..29bc60cfb 100644 --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h @@ -9,6 +9,48 @@ #include "tst_test.h" #include "lapi/pidfd.h" +static inline bool ioctl_pidfd_get_info_supported(void) +{ + pid_t pid; + int pidfd, ret; + int supported = 0; + struct pidfd_info info; + + if (tst_kvercmp(6, 12, 0) >= 0) + return 1; + + memset(&info, 0, sizeof(struct pidfd_info)); + + pid = SAFE_FORK(); + if (!pid) + exit(100); + + pidfd = SAFE_PIDFD_OPEN(pid, 0); + SAFE_WAITPID(pid, NULL, 0); + + ret = ioctl(pidfd, PIDFD_GET_INFO, &info); + SAFE_CLOSE(pidfd); + + if (ret == -1) { + /* - ENOTTY: kernel too old, ioctl(PIDFD_GET_INFO) not implemented */ + if (errno == ENOTTY) + supported = 0; + + /* - EINVAL: ioctl(PIDFD_GET_INFO) exists but args invalid + * - ESRCH: ioctl(PIDFD_GET_INFO) exists but task already exited + * supported in both cases, but info.mask not set + */ + else if (errno == EINVAL || errno == ESRCH) + supported = 1; + else + tst_brk(TBROK | TERRNO, "unexpected ioctl(PIDFD_GET_INFO) error"); + } else { + supported = 1; + } + + return supported; +} + static inline int ioctl_pidfd_info_exit_supported(void) { int ret; diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c b/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c index c379717b3..d20c6f074 100644 --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c @@ -14,7 +14,7 @@ #include "tst_test.h" #include "lapi/pidfd.h" #include "lapi/sched.h" -#include "lapi/ioctl.h" +#include "ioctl_pidfd.h" struct pidfd_info_invalid { uint32_t dummy; @@ -48,8 +48,15 @@ static void run(void) SAFE_CLOSE(pidfd); } +static void setup(void) +{ + if (!ioctl_pidfd_get_info_supported()) + tst_brk(TCONF, "ioctl(PIDFD_GET_INFO) is not implemented"); +} + static struct tst_test test = { .test_all = run, + .setup = setup, .forks_child = 1, .bufs = (struct tst_buffers []) { {&args, .size = sizeof(*args)}, -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp