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[198.0.35.241]) by smtp.gmail.com with ESMTPSA id v10-20020a17090a898a00b00263fc1ef1aasm4350298pjn.10.2023.08.10.22.55.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Aug 2023 22:55:51 -0700 (PDT) Date: Thu, 10 Aug 2023 22:55:51 -0700 From: Kees Cook To: Russell King Cc: Arnd Bergmann , Lecopzer Chen , Oleg Nesterov , Matthias Brugger , AngeloGioacchino Del Regno , Linus Walleij , Wolfram Sang , Arnd Bergmann , Dan Williams , "Russell King (Oracle)" , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH v2 0/2] ARM: ptrace: Restore syscall skipping and restart while tracing Message-ID: <202308102254.689CB3F@keescook> References: <20230810195141.never.338-kees@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230810195141.never.338-kees@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230810_225553_526290_ADECECFC X-CRM114-Status: GOOD ( 11.02 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Thu, Aug 10, 2023 at 12:54:17PM -0700, Kees Cook wrote: > Fix tracing on arm since commit 4e57a4ddf6b0 ("ARM: 9107/1: syscall: > always store thread_info->abi_syscall"). This was seen with the broken > seccomp tests "syscall_errno", "syscall_faked", and "syscall_restart". I'd like to get this fixed in v6.5. Russell, do you have a fixes tree that you'll be sending Linus's way before the next -rc? I can send it via my seccomp-fixes tree if that'd be easier. Thanks! -Kees -- Kees Cook