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From: Magnus Lindholm <linmag7@gmail.com>
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	[thread overview]
Message-ID: <20261103214120.1099893-2-linmag7@gmail.com> (raw)
In-Reply-To: <20261103214120.1099893-1-linmag7@gmail.com>

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 <linmag7@gmail.com>
---
 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


  reply	other threads:[~2026-11-03 21:43 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-03 21:35 [PATCH 00/14] alpha: fix entry bugs and consolidate generic helpers Magnus Lindholm
2026-11-03 21:35 ` Magnus Lindholm [this message]
2026-11-03 21:35 ` [PATCH 02/14] alpha: report syscall errors correctly to audit Magnus Lindholm
2026-11-03 21:35 ` [PATCH 03/14] alpha: preserve rolled-back registers for SIGSYS Magnus Lindholm
2026-11-03 21:35 ` [PATCH 04/14] alpha: fix syscall restart eligibility Magnus Lindholm
2026-11-03 21:35 ` [PATCH 05/14] alpha: distinguish skipped syscalls from invalid numbers Magnus Lindholm
2026-11-03 21:35 ` [PATCH 06/14] alpha: dispatch system calls from C Magnus Lindholm
2026-11-03 21:35 ` [PATCH 07/14] alpha: use generic entry helpers for interrupts and exceptions Magnus Lindholm
2026-11-03 21:35 ` [PATCH 08/14] alpha: use generic syscall exit for new tasks Magnus Lindholm
2026-11-03 21:35 ` [PATCH 09/14] alpha: remove obsolete core dump register hooks Magnus Lindholm
2026-11-03 21:35 ` [PATCH 10/14] alpha: use generic syscall audit classification Magnus Lindholm
2026-11-03 21:35 ` [PATCH 11/14] alpha: use generic ptrace memory writes Magnus Lindholm
2026-11-03 21:35 ` [PATCH 12/14] alpha: use memparse for memory size options Magnus Lindholm
2026-11-03 21:35 ` [PATCH 13/14] alpha: use generic getrusage for OSF resource accounting Magnus Lindholm
2026-11-03 21:35 ` [PATCH 14/14] alpha: use generic CPU device registration Magnus Lindholm

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