[-next,v15,16/19] riscv: prevent stack corruption by reserving task_pt_regs(p) early

From: Greentime Hu <greentime.hu@sifive.com>

From: Andy Chiu <andy.chiu@sifive.com>
To: linux-riscv@lists.infradead.org,
	palmer@dabbelt.com,
	anup@brainfault.org,
	atishp@atishpatra.org,
	kvm-riscv@lists.infradead.org,
	kvm@vger.kernel.org
Cc: vineetg@rivosinc.com,
	greentime.hu@sifive.com,
	guoren@linux.alibaba.com,
	ShihPo Hung <shihpo.hung@sifive.com>,
	Vincent Chen <vincent.chen@sifive.com>,
	Andy Chiu <andy.chiu@sifive.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Conor Dooley <conor.dooley@microchip.com>,
	Alexandre Ghiti <alexandre.ghiti@canonical.com>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Guo Ren <guoren@kernel.org>
Subject: [PATCH -next v15 16/19] riscv: prevent stack corruption by reserving
 task_pt_regs(p) early
Date: Fri, 17 Mar 2023 11:35:35 +0000
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Message ID	20230317113538.10878-17-andy.chiu@sifive.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org> From: Andy Chiu <andy.chiu@sifive.com> To: linux-riscv@lists.infradead.org, palmer@dabbelt.com, anup@brainfault.org, atishp@atishpatra.org, kvm-riscv@lists.infradead.org, kvm@vger.kernel.org Cc: vineetg@rivosinc.com, greentime.hu@sifive.com, guoren@linux.alibaba.com, ShihPo Hung <shihpo.hung@sifive.com>, Vincent Chen <vincent.chen@sifive.com>, Andy Chiu <andy.chiu@sifive.com>, Paul Walmsley <paul.walmsley@sifive.com>, Albert Ou <aou@eecs.berkeley.edu>, Conor Dooley <conor.dooley@microchip.com>, Alexandre Ghiti <alexandre.ghiti@canonical.com>, Masahiro Yamada <masahiroy@kernel.org>, Guo Ren <guoren@kernel.org> Subject: [PATCH -next v15 16/19] riscv: prevent stack corruption by reserving task_pt_regs(p) early Date: Fri, 17 Mar 2023 11:35:35 +0000 Message-Id: <20230317113538.10878-17-andy.chiu@sifive.com> In-Reply-To: <20230317113538.10878-1-andy.chiu@sifive.com> References: <20230317113538.10878-1-andy.chiu@sifive.com> Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" <linux-riscv-bounces@lists.infradead.org> Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org
Series	riscv: Add vector ISA support \| expand [-next,v15,00/19] riscv: Add vector ISA support [-next,v15,01/19] riscv: Rename __switch_to_aux() -> fpu [-next,v15,02/19] riscv: Extending cpufeature.c to detect V-extension [-next,v15,03/19] riscv: Add new csr defines related to vector extension [-next,v15,04/19] riscv: Clear vector regfile on bootup [-next,v15,05/19] riscv: Disable Vector Instructions for kernel itself [-next,v15,06/19] riscv: Introduce Vector enable/disable helpers [-next,v15,07/19] riscv: Introduce riscv_v_vsize to record size of Vector context [-next,v15,08/19] riscv: Introduce struct/helpers to save/restore per-task Vector state [-next,v15,09/19] riscv: Add task switch support for vector [-next,v15,10/19] riscv: Allocate user's vector context in the first-use trap [-next,v15,11/19] riscv: Add ptrace vector support [-next,v15,12/19] riscv: signal: check fp-reserved words unconditionally [-next,v15,13/19] riscv: signal: Add sigcontext save/restore for vector [-next,v15,14/19] riscv: signal: Report signal frame size to userspace via auxv [-next,v15,15/19] riscv: signal: validate altstack to reflect Vector [-next,v15,16/19] riscv: prevent stack corruption by reserving task_pt_regs(p) early [-next,v15,17/19] riscv: kvm: Add V extension to KVM ISA [-next,v15,18/19] riscv: KVM: Add vector lazy save/restore support [-next,v15,19/19] riscv: Enable Vector code to be built

Context	Check	Description
conchuod/cover_letter	success	Series has a cover letter
conchuod/tree_selection	success	Guessed tree name to be for-next
conchuod/fixes_present	success	Fixes tag not required for -next series
conchuod/maintainers_pattern	success	MAINTAINERS pattern errors before the patch: 1 and now 1
conchuod/verify_signedoff	success	Signed-off-by tag matches author and committer
conchuod/kdoc	success	Errors and warnings before: 0 this patch: 0
conchuod/build_rv64_clang_allmodconfig	success	Errors and warnings before: 18 this patch: 18
conchuod/module_param	success	Was 0 now: 0
conchuod/build_rv64_gcc_allmodconfig	success	Errors and warnings before: 18 this patch: 18
conchuod/build_rv32_defconfig	success	Build OK
conchuod/dtb_warn_rv64	success	Errors and warnings before: 3 this patch: 3
conchuod/header_inline	success	No static functions without inline keyword in header files
conchuod/checkpatch	success	total: 0 errors, 0 warnings, 0 checks, 14 lines checked
conchuod/source_inline	success	Was 0 now: 0
conchuod/build_rv64_nommu_k210_defconfig	success	Build OK
conchuod/verify_fixes	success	No Fixes tag
conchuod/build_rv64_nommu_virt_defconfig	success	Build OK

[-next,v15,16/19] riscv: prevent stack corruption by reserving task_pt_regs(p) early

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