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[198.145.29.99]) by mx.google.com with ESMTPS id f11si2594557pgf.406.2019.04.18.11.29.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Apr 2019 11:29:28 -0700 (PDT) Received-SPF: pass (google.com: domain of sashal@kernel.org designates 198.145.29.99 as permitted sender) client-ip=198.145.29.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=1pdY9JKW; spf=pass (google.com: domain of sashal@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=sashal@kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from localhost (unknown [23.100.24.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A78AB217D7; Thu, 18 Apr 2019 18:29:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555612167; bh=rpspHx+PrMhUlp/JN2InCHYxpUdbfr/lUCvq05nBYZA=; h=Date:From:To:To:To:Cc:Cc:Cc:Cc:Cc:Cc:Cc:Cc:Subject:In-Reply-To: References:From; b=1pdY9JKW6CU6v5psGDqz2oKEQnlENA4V/83ts6RvmelO+LpnmXTTCzcuar9IiiKPs a654PdO+R0443Gja1SilyK5MKAqNEwkLL0ld2VfI1HOdKRsTjv/6csEpsxXZlliP7u i72GEurCa+7MTtxRS4BGiOosOHtnfpu/F/R8QfW8= Date: Thu, 18 Apr 2019 18:29:26 +0000 From: Sasha Levin To: Sasha Levin To: tip-bot for Dave Hansen To: linux-tip-commits@vger.kernel.org Cc: dave.hansen@linux.intel.com, tglx@linutronix.de, mhocko@suse.com, Cc: Michal Hocko Cc: Vlastimil Babka Cc: Andy Lutomirski Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: stable@vger.kernel.org Cc: stable@vger.kernel.org Subject: Re: [tip:x86/urgent] x86/mpx: Fix recursive munmap() corruption In-Reply-To: References: Message-Id: <20190418182927.A78AB217D7@mail.kernel.org> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, [This is an automated email] This commit has been processed because it contains a "Fixes:" tag, fixing commit: 1de4fa14ee25 x86, mpx: Cleanup unused bound tables. The bot has tested the following trees: v5.0.8, v4.19.35, v4.14.112, v4.9.169, v4.4.178. v5.0.8: Build OK! v4.19.35: Failed to apply! Possible dependencies: dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap") v4.14.112: Failed to apply! Possible dependencies: dd2283f2605e ("mm: mmap: zap pages with read mmap_sem in munmap") v4.9.169: Failed to apply! Possible dependencies: 010426079ec1 ("sched/headers: Prepare for new header dependencies before moving more code to ") 1b028f784e8c ("x86/mm: Introduce mmap_compat_base() for 32-bit mmap()") 39bc88e5e38e ("arm64: Disable TTBR0_EL1 during normal kernel execution") 3f07c0144132 ("sched/headers: Prepare for new header dependencies before moving code to ") 44b04912fa72 ("x86/mpx: Do not allow MPX if we have mappings above 47-bit") 6a0b41d1e23d ("x86/mm: Introduce arch_rnd() to compute 32/64 mmap random base") 7c0f6ba682b9 ("Replace with globally") 8f3e474f3cea ("x86/mm: Add task_size parameter to mmap_base()") 9cf09d68b89a ("arm64: xen: Enable user access before a privcmd hvc call") bd38967d406f ("arm64: Factor out PAN enabling/disabling into separate uaccess_* macros") e13b73dd9c80 ("x86/hugetlb: Adjust to the new native/compat mmap bases") v4.4.178: Failed to apply! Possible dependencies: 1b028f784e8c ("x86/mm: Introduce mmap_compat_base() for 32-bit mmap()") 2b5e869ecfcb ("MIPS: ELF: Interpret the NAN2008 file header flag") 2ed02dd415ae ("MIPS: Use a union to access the ELF file header") 44b04912fa72 ("x86/mpx: Do not allow MPX if we have mappings above 47-bit") 5fa393c85719 ("MIPS: Break down cacheops.h definitions") 694977006a7b ("MIPS: Use enums to make asm/pgtable-bits.h readable") 745f35587846 ("MIPS: mm: Unify pte_page definition") 780602d740fc ("MIPS: mm: Standardise on _PAGE_NO_READ, drop _PAGE_READ") 7939469da29a ("MIPS64: signal: Fix o32 sigaction syscall") 7b2cb64f91f2 ("MIPS: mm: Fix MIPS32 36b physical addressing (alchemy, netlogic)") 8f3e474f3cea ("x86/mm: Add task_size parameter to mmap_base()") 97f2645f358b ("tree-wide: replace config_enabled() with IS_ENABLED()") 9e08f57d684a ("x86: mm: support ARCH_MMAP_RND_BITS") a60ae81e5e59 ("MIPS: CM: Fix mips_cm_max_vp_width for UP kernels") b1b4fad5cc67 ("MIPS: seccomp: Support compat with both O32 and N32") b27873702b06 ("mips, thp: remove infrastructure for handling splitting PMDs") b2edcfc81401 ("MIPS: Loongson: Add Loongson-3A R2 basic support") d07e22597d1d ("mm: mmap: add new /proc tunable for mmap_base ASLR") e13b73dd9c80 ("x86/hugetlb: Adjust to the new native/compat mmap bases") How should we proceed with this patch? -- Thanks, Sasha