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Sat, 05 Sep 2026 12:29:29 -0700 (PDT) From: Matt Turner Date: Sat, 05 Sep 2026 15:29:23 -0400 Subject: [PATCH v2 02/22] alpha: select ARCH_HAS_UBSAN Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260905-arch-kconfig-options-v2-v2-2-83e8245761a2@gmail.com> References: <20260905-arch-kconfig-options-v2-v2-0-83e8245761a2@gmail.com> In-Reply-To: <20260905-arch-kconfig-options-v2-v2-0-83e8245761a2@gmail.com> To: Richard Henderson , Magnus Lindholm , Kees Cook , Marco Elver , Andrey Konovalov , Andrey Ryabinin , Jonathan Corbet , Shuah Khan , Randy Dunlap Cc: linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-hardening@vger.kernel.org, linux-doc@vger.kernel.org, Matt Turner X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=856; i=mattst88@gmail.com; h=from:subject:message-id; bh=vVEOPIoJhhKnaEymhmIy29uvCDgfhn7KwYHNS4eI4Ls=; b=owGbwMvMwCW25rVmCc8sv+mMp9WSGLLm5E7WKReZHFC/1HvG4fgzU+6tfbHDcW9j4tKns9Z7X 97gGb2Dt+MjC4MYF8NMMUWWuPWKLLPadiz1OS39C2YOKxPIEGmRBgYgYGHgy03MKzXSMdIz1TbU MwQydIziIXJ6DBqZxcWlqUW6aQVFDnn5JYklmfl5xXr5Bal5BekFemmZaSUZGflFxalAI/TyUkt MXR3djAwNTCwdLcycLBxNTZydnQyd3BwdnV2djCzNTQycLR1NXC3NGbg4BWCuSdrIyNCxd3kfb4 3phnOtUmsfG/2XOHTnd6va4webUn8HTGaqFylnZNjxxedc4R3T9++ebDUx3Mtt1pJX6LF2nceNV yXrD0nKqTECAA== X-Developer-Key: i=mattst88@gmail.com; a=openpgp; fpr=3BB639E56F861FA2E86505690FDD682D974CA72A GCC's undefined behavior sanitizer has no architecture-specific runtime requirements. Enable it for Alpha to allow UBSAN instrumentation of the kernel. Assisted-by: Claude:claude-opus-4-6 Signed-off-by: Matt Turner Tested-by: Magnus Lindholm Reviewed-by: Magnus Lindholm --- arch/alpha/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 51a7391869dd..713a0c1cc930 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -7,6 +7,7 @@ config ALPHA select ARCH_32BIT_USTAT_F_TINODE select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DMA_OPS if PCI + select ARCH_HAS_UBSAN select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_MODULE_NEEDS_WEAK_PER_CPU if SMP -- 2.54.0