From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 05 Jun 2025 13:39:02 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uN8w2-003zo2-2p for lore@lore.pengutronix.de; Thu, 05 Jun 2025 13:39:02 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uN8vy-0002Nu-Uy for lore@pengutronix.de; Thu, 05 Jun 2025 13:39:02 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=JuenjlSxKz5RnHuQ180Ao/HrEAPYRJ16EeO7TnFqQcU=; b=3rAL2rfg2DsvY7hGqrPOv9Nrou hS9+QMMowI3ngd/zqfl8x51VM9prl/5o7ZL9kVLW1ftO/qCnVGqE27+mlf+SHe/mcn+cuGCTfKzSL ewETw/ChQ5sY3JusonZ/Y2ZsjR1XwMKnfkpyCZb6jsDvaL+WKILX7mEF/7LT/r3U6WcUs6FyChTuH JkEptq7ZVvqspO35KqHSAME0Q1P/1k9ofgfi6eFevNd1aSW0OrZ6hbK6n7WGCzxsFrQFb8C7bcbRE 9ExKPZV8rIpVIl+LyiYt8B/cNGOMAFsQOB/IpSqLFQUYwR5p8N4uba91IhBPjIUWfvsMs+w4mOUA0 kOUUP7fA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uN8vV-0000000FORr-1uss; Thu, 05 Jun 2025 11:38:29 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uN8vT-0000000FOON-0DOg for barebox@lists.infradead.org; Thu, 05 Jun 2025 11:38:28 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1uN8vR-0001i0-Q9; Thu, 05 Jun 2025 13:38:25 +0200 Received: from dude06.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::5c]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1uN8vR-001x0Q-1z; Thu, 05 Jun 2025 13:38:25 +0200 Received: from localhost ([::1] helo=dude06.red.stw.pengutronix.de) by dude06.red.stw.pengutronix.de with esmtp (Exim 4.96) (envelope-from ) id 1uN8sg-008mT4-0W; Thu, 05 Jun 2025 13:35:33 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Thu, 5 Jun 2025 13:35:25 +0200 Message-Id: <20250605113530.2076990-17-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250605113530.2076990-1-a.fatoum@pengutronix.de> References: <20250605113530.2076990-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250605_043827_090738_5AB28D22 X-CRM114-Status: GOOD ( 10.94 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.3 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 16/21] fuzz: add support for passing fuzz data as r/o ramdisk X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) This will be useful for fuzzing file systems and partition parsing. Signed-off-by: Ahmad Fatoum --- include/fuzz.h | 19 ++++++++++++++++++- test/Kconfig | 2 ++ 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/include/fuzz.h b/include/fuzz.h index 35233f90154b..bd95ae6203b0 100644 --- a/include/fuzz.h +++ b/include/fuzz.h @@ -8,7 +8,8 @@ #define __TEST_FUZZ_H #include -#include +#include +#include /** * struct fuzz_test - Information about a fuzz test @@ -48,6 +49,22 @@ extern const struct fuzz_test __barebox_fuzz_tests_end; static __always_unused void * _unused##_func = _func #endif +#define fuzz_test_ramdisk(_name, _func) \ + static int _func##_ramdisk(const u8 *data, size_t size) \ + { \ + static struct ramdisk *ramdisk; \ + int ret; \ + if (!ramdisk) \ + ramdisk = ramdisk_init(512); \ + if (!ramdisk) \ + return -ENODEV; \ + ramdisk_setup_ro(ramdisk, data, size); \ + ret = _func(ramdisk_get_block_device(ramdisk)); \ + ramdisk_setup_ro(ramdisk, NULL, 0); \ + return ret; \ + } \ + fuzz_test(_name, _func##_ramdisk) + static inline int fuzz_test_once(const struct fuzz_test *test, const u8 *data, size_t len) { return test->func(data, len); diff --git a/test/Kconfig b/test/Kconfig index ca2d75c6b025..07b22f09e99b 100644 --- a/test/Kconfig +++ b/test/Kconfig @@ -9,6 +9,8 @@ source "test/self/Kconfig" config FUZZ bool "fuzz tests" + select RAMDISK_BLK + select DISK help Say y here to add include fuzz tests into barebox. These need to be exercised either via command or -- 2.39.5