From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+n99hTLhuqqNCESMYCptB4GdUy6gOAF43y5yTT6kv2skmoeQjHN4BdXMQ+AXT9Cdo+sOqj ARC-Seal: i=1; a=rsa-sha256; t=1523345492; cv=none; d=google.com; s=arc-20160816; b=iuG7eW6Uek7RkobGO0I18svEhLc1ywwBLiPf2k5Nros51Hudo+JRuOlPebQpj3CCBq vmDk2FERoEUVh3f1eHkd2pWQSreEdSkKQrs5Z7teU4g79eFitkaBO6bG1y7IsbFwJAVF wnHL3vjmdmCrLo5y/Po2/RUnD3WNRb9L6NT2GnFGYWyP75xHloyKq4HFibsZjyNP/nw1 Iw8BOj7jfdGnNmSQ33wmq0o1XmXX3cm0TeMMf3HYYjn+aDAzbSLUPoWArwrV8cI9ogLh F6EiGZZuCQIV7l15f/Emxphn5Sov6N1Vfns6CJIeEdQLeBu/WnGlifAb0n1Kes/YeWZc Okmw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=message-id:date:subject:cc:to:from:dkim-signature:delivered-to :list-id:list-subscribe:list-unsubscribe:list-help:list-post :precedence:mailing-list:arc-authentication-results; bh=wN4oVuPw5D1BDaM1x9hgdeSnp1DNUmZMeRfu5HpjdU0=; b=ofsk8Xeu4R+M2G5qX2Lgq5wfaIBcSJT6hpCBSUHEWKP6iKe4Fb5WFmHa3pe4fe3Hjw 4xTi3ObkvYKrG6K/3iGoi/+WvaeTmkmbW1Y396LsW7dXE8Z8262/ycTkZ+idX0xbj87m TVKLGhAOFsiPdD0/YnyXe0rXAiWuRK1jeyZxQTkzdbq1DFCpCsZfgx+DuovsMTpzvT3B 2Ik9Q8Y+wEaB9+YEffa6P+uRaE/sdE6YMRjhvFTgTGGsGYttjcWLuQKzCG5f3UYGpr2H s/6xP00K6usGjJptqk1i8qGxbv6vXcVLXZ6qefoCHexv2jwWPpNhpQ7RmFBtUzw6nD1G iTiw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=SislbEi6; spf=pass (google.com: domain of kernel-hardening-return-12947-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12947-gregkh=linuxfoundation.org@lists.openwall.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=SislbEi6; spf=pass (google.com: domain of kernel-hardening-return-12947-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-12947-gregkh=linuxfoundation.org@lists.openwall.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: From: kpark3469@gmail.com To: kernel-hardening@lists.openwall.com Cc: catalin.marinas@arm.com, keescook@chromium.org, will.deacon@arm.com, mark.rutland@arm.com, james.morse@arm.com, panand@redhat.com, keun-o.park@darkmatter.ae, psodagud@codeaurora.org, jpoimboe@redhat.com, mingo@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 0/3] usercopy: reimplement arch_within_stack_frames Date: Tue, 10 Apr 2018 11:30:44 +0400 Message-Id: <1523345447-10725-1-git-send-email-kpark3469@gmail.com> X-Mailer: git-send-email 2.7.4 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597343523233967320?= X-GMAIL-MSGID: =?utf-8?q?1597343523233967320?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Sahara This series of patches introduce the arm64 arch_within_stack_frames implementation using stacktrace functions. Also the base code is moved from thread_info.h to stacktrace.h. x86 code is reimplemented to use frame pointer unwinder functions. Note: The code is still missing in case of using x86 ORC unwinder and guess unwinder. v2 changes: - Remove 'arm64: usercopy: consider dynamic array stack variable' - minor fix in x86 arch_within_stack_frames code. v3 changes: - Fix build problem caused by circular inclusion of header in x86 UP config v4 changes: - Fix build problem caused by page_ext.h change James Morse (1): arm64: usercopy: implement arch_within_stack_frames Sahara (2): stacktrace: move arch_within_stack_frames from thread_info.h x86: usercopy: reimplement arch_within_stack_frames with unwinder arch/arm64/Kconfig | 1 + arch/arm64/kernel/stacktrace.c | 76 +++++++++++++++++++++++++++++++++ arch/x86/include/asm/thread_info.h | 51 +--------------------- arch/x86/include/asm/unwind.h | 5 +++ arch/x86/kernel/Makefile | 2 +- arch/x86/kernel/stacktrace.c | 87 ++++++++++++++++++++++++++++++++++++++ arch/x86/kernel/unwind_frame.c | 4 +- include/linux/stacktrace.h | 24 +++++++++++ include/linux/thread_info.h | 21 --------- mm/usercopy.c | 2 +- 10 files changed, 197 insertions(+), 76 deletions(-) -- 2.7.4