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Tue, 03 Nov 2026 13:43:13 -0800 (PST) Received: from buildhost.darklands.se ([2001:9b1:ff:d701:51eb:176f:63d9:53f8]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b55ac5a2a6sm40550a12.16.2026.11.03.13.43.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2026 13:43:12 -0800 (PST) From: Magnus Lindholm To: richard.henderson@linaro.org, mattst88@gmail.com, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org Cc: linmag7@gmail.com, stable@vger.kernel.org Subject: [PATCH 01/14] alpha: fix saved registers in page-fault oops dumps Date: Tue, 3 Nov 2026 22:35:07 +0100 Message-ID: <20261103214120.1099893-2-linmag7@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261103214120.1099893-1-linmag7@gmail.com> References: <20261103214120.1099893-1-linmag7@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The aligned exception frame moved r9-r15 back by one word. Adjust the pointer passed to die_if_kernel() so s0-s6 show the correct registers. Fixes: 3b35a171060f ("alpha: align stack for page fault and user unaligned trap handlers") Cc: stable@vger.kernel.org Signed-off-by: Magnus Lindholm --- arch/alpha/mm/fault.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c index 3dfeb854f196387d8c8f709d0ce355e5145035fb..f09f69894cfd65d814ab1cf498c946043fb9e8a3 100644 --- a/arch/alpha/mm/fault.c +++ b/arch/alpha/mm/fault.c @@ -244,7 +244,7 @@ retry: terminate things with extreme prejudice. */ printk(KERN_ALERT "Unable to handle kernel paging request at " "virtual address %016lx\n", address); - die_if_kernel("Oops", regs, cause, (unsigned long*)regs - 16); + die_if_kernel("Oops", regs, cause, (unsigned long *)regs - 17); make_task_dead(SIGKILL); /* We ran out of memory, or some other thing happened to us that -- 2.43.0