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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=Z3EYeS+tIqBFVXo6hPJUkFm8u6eCOLhA7qycqAqlcHg=; b=gj8hj8yO8qptePMF2LL1bE8CBMEdF+8XY/tI4tDQUgMY8+bdOIhW+QC8F/4Myq+6/H h1K5FqC7GGh0PQjH4ubLeNOBFn7htMf2y1jX+ndJIC5DXkZam+wFjAvt3yHsMR8CjYy+ ycg3K9X5Osc1lnqLDqa6vVNBaLsFxd0bEBuVFgEA99sx1aY6tIvIzB+kLj8bH36CBZ8N Tl/xqvWnTNakudpO9Un3TDYqznvPt+7tfVcSQUx2fPkyFaC3XyKBwuAyq7YPmeY6PHg9 tTnZ6mN33G2hpzXU5o4KW0/dx4NyKDXlFzQmix2+HKY8vCfasKqFh9UDCCscd7yGmhca rf5A== X-Gm-Message-State: AOAM532eHFxsYvRbTRvOg8JIOYFWNqYwaMhPafAZQCFlWjYzTi+wJnaF t5j2vpvW0oKuuWO+gyyV1UriZv+fO7NDbKmG X-Google-Smtp-Source: ABdhPJzWMcXzK46NzTRvzzutnp1BqgiDGWeQpHI4uE0DQoI/1yGhlrV8gjgvofQbANK7f7lDyvWyDo2WjxVJIhjI X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a0c:f7cb:: with SMTP id f11mr315849qvo.34.1604534595295; Wed, 04 Nov 2020 16:03:15 -0800 (PST) Date: Thu, 5 Nov 2020 01:02:27 +0100 In-Reply-To: Message-Id: <1f2309b6c4aa9554b298e82bd830aca7dc6877c3.1604534322.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH 17/20] kasan: clarify comment in __kasan_kfree_large From: Andrey Konovalov To: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Alexander Potapenko , Marco Elver X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201105_000417_111052_44168D11 X-CRM114-Status: GOOD ( 12.07 ) 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: Branislav Rankov , Andrey Konovalov , Kevin Brodsky , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, Andrey Ryabinin , Andrew Morton , Evgenii Stepanov Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently it says that the memory gets poisoned by page_alloc code. Clarify this by mentioning the specific callback that poisons the memory. Signed-off-by: Andrey Konovalov Reviewed-by: Dmitry Vyukov Link: https://linux-review.googlesource.com/id/I1334dffb69b87d7986fab88a1a039cc3ea764725 --- mm/kasan/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 40ff3ce07a76..4360292ad7f3 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -436,5 +436,5 @@ void __kasan_kfree_large(void *ptr, unsigned long ip) { if (ptr != page_address(virt_to_head_page(ptr))) kasan_report_invalid_free(ptr, ip); - /* The object will be poisoned by page_alloc. */ + /* The object will be poisoned by kasan_free_pages(). */ }