Message ID | e0683edc00699fcc0fc1fbc3cb1320875ff434f2.1597425745.git.andreyknvl@google.com (mailing list archive) |
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State | New, archived |
Headers | show
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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=l6ZIwvY6syyAP67b2MO5JHAbeJPBE9lyCC+sGAziw0Y=; b=MM4SJe6vBFeTkvVOhNB127iCuc569S343X5x/M+6C/6dFHtgr40c59bMx+eAyZ5OLY cQ4vAQFDBy1Z9y1endalI8FMl31a7ZCn/JTDI4sPLjsI/XuweSChDFc22xQBQ+0BFExy 2h//NnQaRi76AfLcf8TMpJLfWneNDYpB9ORiw00DY11W81wC8AUknk5PUfin4ekLKtc2 DLVAsXpEcEo8NLUaiOnu0p6J9JyuNWyRhLd6gtk0T6sQcmoK/6I24eh8ZUh+w2Bo9D2A rYZm2cTtGUT2yrcHayNT+Y/Tznqxoig0LQFNr89BU5EbI79zMoVYleCHpqudr8iYTiN3 xmgQ== X-Gm-Message-State: AOAM532hMAzc2kw99YggjuSzckvCXb5DP7uPRceuiBHDaG6K6wsp2y9s 3tyTB+5sl4MhgJnYJ2++3G+Dr4py8RB/kBr6 X-Google-Smtp-Source: ABdhPJy3uOE8d50CkEhPANU8s2DSDIvcOJG7lmvrwT9uA8T2s4Kv8enADBz7gFdwS2uXrMPjd1s0rvPxNPa2NPmj X-Received: by 2002:a05:6214:1841:: with SMTP id d1mr3456365qvy.135.1597426081697; Fri, 14 Aug 2020 10:28:01 -0700 (PDT) Date: Fri, 14 Aug 2020 19:26:58 +0200 In-Reply-To: <cover.1597425745.git.andreyknvl@google.com> Message-Id: <e0683edc00699fcc0fc1fbc3cb1320875ff434f2.1597425745.git.andreyknvl@google.com> Mime-Version: 1.0 References: <cover.1597425745.git.andreyknvl@google.com> X-Mailer: git-send-email 2.28.0.220.ged08abb693-goog Subject: [PATCH 16/35] kasan: kasan_non_canonical_hook only for software modes From: Andrey Konovalov <andreyknvl@google.com> To: Dmitry Vyukov <dvyukov@google.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, kasan-dev@googlegroups.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200814_132805_550618_4E300D0A X-CRM114-Status: GOOD ( 12.69 ) 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 [2607:f8b0:4864:20:0:0:0:f4a 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: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Marco Elver <elver@google.com>, Elena Petrova <lenaptr@google.com>, Andrey Konovalov <andreyknvl@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Will Deacon <will.deacon@arm.com>, Branislav Rankov <Branislav.Rankov@arm.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Potapenko <glider@google.com>, linux-arm-kernel@lists.infradead.org, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Evgenii Stepanov <eugenis@google.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org |
Series |
kasan: add hardware tag-based mode for arm64
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expand
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diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 8ad1ced1607d..2cce7c9beea3 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -376,7 +376,8 @@ bool kasan_report(unsigned long addr, size_t size, bool is_write, return ret; } -#ifdef CONFIG_KASAN_INLINE +#if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \ + defined(CONFIG_KASAN_INLINE) /* * With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high * canonical half of the address space) cause out-of-bounds shadow memory reads
This is a preparatory commit for the upcoming addition of a new hardware tag-based (MTE-based) KASAN mode. kasan_non_canonical_hook() is only applicable to KASAN modes that use shadow memory, and won't be needed for hardware tag-based KASAN. No functional changes for software modes. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> --- mm/kasan/report.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)