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 58E55C624D4 for ; Thu, 3 Sep 2026 07:27:53 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id D08783E93C4 for ; Thu, 3 Sep 2026 09:27:51 +0200 (CEST) Received: from in-5.smtp.seeweb.it (in-5.smtp.seeweb.it [IPv6:2001:4b78:1:20::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 7E91F3E938F for ; Thu, 3 Sep 2026 09:26:47 +0200 (CEST) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.223.131]) (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 7E759600957 for ; Thu, 3 Sep 2026 09:26:46 +0200 (CEST) Received: from imap1.dmz-prg2.suse.org (unknown [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 9E3661FDB4; Thu, 3 Sep 2026 07:26:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1788420401; 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=cwdLYpOltRCrKkBbChUHyiSIegVZZGhsbD5g59p8Um0=; b=CGnkFwi8dT9COsAJlSpFYty8e2txKcFeRBj4oeA6odtJhpVE+Z8Zz9JsHX84Ar/7wkarOi ngmnJf4VnTrR8fbZRc0h+QKHGfFThB1M+vERaQ05hV5ZuyD281xyixbE0irgZ61IEGMBmP h7NAfSIVuVKYv92eOWRDj6U2J7FKYE0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1788420401; 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=cwdLYpOltRCrKkBbChUHyiSIegVZZGhsbD5g59p8Um0=; b=H/oYw4vuCwmfjgBYbnFjOqrDEMfqFN2TwfHO3aadiRo1ZlOxV/GS5NueKQZlw69Eqb0g4K wGcdzVSC84J/GhCg== Authentication-Results: smtp-out2.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1788420397; 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=cwdLYpOltRCrKkBbChUHyiSIegVZZGhsbD5g59p8Um0=; b=TRBuJI6eyNdbRcf1syi1haZcC3GXi4kYNziPEylJ9TQ1ygS1uss92I/VLFt1QxoSaAppts bldRDRO9CkcHn55Dqx6rKuBpV3E1XEmQ9893yEO8NrzZLdr/xVeBwylMdjI1+BMx2wMSqm aOZdRUkNM9atS1gUHTqwXEZokDWimoY= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1788420397; 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=cwdLYpOltRCrKkBbChUHyiSIegVZZGhsbD5g59p8Um0=; b=jbRnfltzLxazL1TXyFsgyyq2eWZ9K4pJsstqG7T0/31S4pCH3ldM0x5WEylSorFE15YEpK tUeZlFXeKBYds9DA== 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 613D913736; Thu, 3 Sep 2026 07:26:37 +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 eEQaFS0hmWqGaAAAD6G6ig (envelope-from ); Thu, 03 Sep 2026 07:26:37 +0000 From: Andrea Cervesato Date: Thu, 03 Sep 2026 09:26:35 +0200 MIME-Version: 1.0 Message-Id: <20260903-cve-ghostlock-v6-1-a3272bb81e4d@suse.com> References: <20260903-cve-ghostlock-v6-0-a3272bb81e4d@suse.com> In-Reply-To: <20260903-cve-ghostlock-v6-0-a3272bb81e4d@suse.com> To: Linux Test Project X-Mailer: b4 0.16.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788420397; l=1853; i=andrea.cervesato@suse.com; s=20251210; h=from:subject:message-id; bh=FIXuLR2RXIpuhp4SDYY5r3aVcvCLNzxtxmrrlu6lGro=; b=CoqJBbNnLLtf/mNqwKrbvmEZTQKsMCRZpvVq+HZD+EfwdhIb4tCQZrxVYOMI/Vsu+ROGY8N89 zCYqBz9Wkh2DvVkqtUtswfY4iE9qWcNHyJhQDGFbG6+4jwcbHZFcVDo X-Developer-Key: i=andrea.cervesato@suse.com; a=ed25519; pk=zKY+6GCauOiuHNZ//d8PQ/UL4jFCTKbXrzXAOQSLevI= X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.997]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_DN_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:mid, suse.com:email, imap1.dmz-prg2.suse.org:helo] X-Virus-Scanned: clamav-milter 1.0.9 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v6 1/3] lapi/sched: add SAFE_SCHED_SETATTR() 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 Add a safe variant of sched_setattr() that breaks the test with TBROK on failure, so tests such as the CVE-2026-43499 reproducer do not have to open-code the TEST() + tst_brk() error handling. Signed-off-by: Andrea Cervesato --- include/lapi/sched.h | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/include/lapi/sched.h b/include/lapi/sched.h index 05b322c1c..b068cecbb 100644 --- a/include/lapi/sched.h +++ b/include/lapi/sched.h @@ -34,7 +34,7 @@ struct sched_attr { uint64_t sched_period; }; -static inline int sched_setattr(pid_t pid, const struct sched_attr *attr, +static inline int sched_setattr(pid_t pid, struct sched_attr *attr, unsigned int flags) { return syscall(__NR_sched_setattr, pid, attr, flags); @@ -169,4 +169,33 @@ static inline int getcpu(unsigned *cpu, unsigned *node) # define CLONE_INTO_CGROUP 0x200000000ULL #endif +static inline int safe_sched_setattr(const char *file, const int lineno, + pid_t pid, struct sched_attr *attr, + unsigned int flags) +{ + int ret; + + ret = sched_setattr(pid, attr, flags); + + if (ret == -1) { + tst_brk_(file, lineno, TBROK | TERRNO, + "sched_setattr(%i) failed", pid); + } + + return ret; +} + +/** + * SAFE_SCHED_SETATTR() - Safe wrapper for sched_setattr(). + * @pid: Target process or thread ID (0 for caller). + * @attr: Pointer to a sched_attr structure. + * @flags: Flags modifying the scheduling behavior. + * + * Calls sched_setattr() and breaks the test with TBROK | TERRNO on failure. + * + * Return: Zero on success. + */ +#define SAFE_SCHED_SETATTR(pid, attr, flags)\ + safe_sched_setattr(__FILE__, __LINE__, (pid), (attr), (flags)) + #endif /* LAPI_SCHED_H__ */ -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp