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Fri, 27 Dec 2019 22:02:55 -0800 (PST) Date: Fri, 27 Dec 2019 22:02:54 -0800 (PST) From: Paul Walmsley X-X-Sender: paulw@viisi.sifive.com To: David Abdurachmanov Subject: Re: [PATCH] riscv: reject invalid syscalls below -1 In-Reply-To: <20191218084757.904971-1-david.abdurachmanov@sifive.com> Message-ID: References: <20191218084757.904971-1-david.abdurachmanov@sifive.com> User-Agent: Alpine 2.21.9999 (DEB 301 2018-08-15) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191227_220259_702420_DA766B42 X-CRM114-Status: UNSURE ( 9.69 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Albert Ou , Kees Cook , David Abdurachmanov , Anup Patel , linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Vincent Chen , Palmer Dabbelt , Thomas Gleixner , Bin Meng , Valentin Schneider Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Wed, 18 Dec 2019, David Abdurachmanov wrote: > Running "stress-ng --enosys 4 -t 20 -v" showed a large number of kernel oops > with "Unable to handle kernel paging request at virtual address" message. This > happens when enosys stressor starts testing random non-valid syscalls. > > I forgot to redirect any syscall below -1 to sys_ni_syscall. > > With the patch kernel oops messages are gone while running stress-ng enosys > stressor. > > Signed-off-by: David Abdurachmanov > Fixes: 5340627e3fe0 ("riscv: add support for SECCOMP and SECCOMP_FILTER") >From the thread, I couldn't tell whether you were happy with this patch as it stands or not; the thread seems to have petered out. So this one has been queued for v5.5-rc; let me know if you didn't intend for that to happen. - Paul