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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=cI4OCXXdcluQ8udPJIeOucRKN//yXw3Lt8Ci7TJhPtY=; b=uRnukNvDdXkhAmccH7eOEBR4jqTiCMemKxCnN64CAsZKDkDRfIgNljxcUXsuN9p4ot dTyxTdVks33Eq8tp+c7LQxCXfmFDhLxnzzpbwCx+NLJSGIgt9uT2NbUOQhDBppZFMTA/ FCHY0Gbwm4yN/O7mHwlFy3rCk6L8CRz/zQAkJOvsC5IpzXQHASxVaDGYC0bthmNpYUor kRTG2T4JJR/iczRXbcqKzRxPv+ib4cEtbBO/1dFMnxj2FPhLIiNBjsY0wM1vACKqjXjU Gc3BJy2eoH+ZNrh/yR5MOFwCEpZqFlV1T07Lb1pQTwMUx2F2N6Yj1FUxpmQEN+tPDR17 AM1g== X-Gm-Message-State: AOAM5312meAGtL7C8S0UnXsXdOp2PjLL4kE0xI2CKvsBAn7YpnwzL+ye NUhpfRn7L917DkWFY0AVht1nm6jpscbhs9hO X-Google-Smtp-Source: ABdhPJwOZsvPwGKa5m7TqARujAwtgW8ZF1arqYgXqkG6x3udD3qrrXjjRug8FIoPmVcf0uINBQGYw7oWCR4/Amlh X-Received: by 2002:a7b:c4d3:: with SMTP id g19mr3322924wmk.29.1597426079500; Fri, 14 Aug 2020 10:27:59 -0700 (PDT) Date: Fri, 14 Aug 2020 19:26:57 +0200 In-Reply-To: Message-Id: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.220.ged08abb693-goog Subject: [PATCH 15/35] kasan: rename print_shadow_for_address to print_memory_metadata From: Andrey Konovalov To: Dmitry Vyukov , Vincenzo Frascino , Catalin Marinas , kasan-dev@googlegroups.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200814_132802_932806_13C014C7 X-CRM114-Status: GOOD ( 12.94 ) X-Spam-Score: -7.7 (-------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-7.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:449 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -7.5 USER_IN_DEF_DKIM_WL From: address is in the default DKIM white-list 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_MED DKIMwl.org - Medium sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Marco Elver , Elena Petrova , Andrey Konovalov , Kevin Brodsky , Will Deacon , Branislav Rankov , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko , linux-arm-kernel@lists.infradead.org, Andrey Ryabinin , Andrew Morton , Evgenii Stepanov Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. Hardware tag-based KASAN won't be using shadow memory, but will reuse this function. Rename "shadow" to implementation-neutral "metadata". No functional changes. Signed-off-by: Andrey Konovalov --- mm/kasan/report.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index ada3cfb43764..8ad1ced1607d 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -255,7 +255,7 @@ static int shadow_pointer_offset(const void *row, const void *shadow) (shadow - row) / SHADOW_BYTES_PER_BLOCK + 1; } -static void print_shadow_for_address(const void *addr) +static void print_memory_metadata(const void *addr) { int i; const void *shadow = kasan_mem_to_shadow(addr); @@ -316,7 +316,7 @@ void kasan_report_invalid_free(void *object, unsigned long ip) pr_err("\n"); print_address_description(object, tag); pr_err("\n"); - print_shadow_for_address(object); + print_memory_metadata(object); end_report(&flags); } @@ -352,7 +352,7 @@ static void __kasan_report(unsigned long addr, size_t size, bool is_write, if (addr_has_metadata(untagged_addr)) { print_address_description(untagged_addr, get_tag(tagged_addr)); pr_err("\n"); - print_shadow_for_address(info.first_bad_addr); + print_memory_metadata(info.first_bad_addr); } else { dump_stack(); }