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Thu, 13 Aug 2026 13:05:20 -0400 X-MC-Unique: ArqhbR0JPReXkqbQc_9JUg-1 X-Mimecast-MFC-AGG-ID: ArqhbR0JPReXkqbQc_9JUg_1786640715 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E37A91800643; Thu, 13 Aug 2026 17:05:14 +0000 (UTC) Received: from wsxc.redhat.com (unknown [10.96.134.24]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id DBDD3195608A; Thu, 13 Aug 2026 17:05:02 +0000 (UTC) From: Ricardo Robaina To: audit@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, bpf@vger.kernel.org Cc: paul@paul-moore.com, eparis@redhat.com, sgrubb@redhat.com, oleg@redhat.com, richard.henderson@linaro.org, mattst88@gmail.com, linmag7@gmail.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will@kernel.org, guoren@kernel.org, monstr@monstr.eu, tsbogend@alpha.franken.de, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com, James.Bottomley@HansenPartnership.com, deller@gmx.de, ysato@users.sourceforge.jp, dalias@libc.org, glaubitz@physik.fu-berlin.de, davem@davemloft.net, andreas@gaisler.com, richard@nod.at, anton.ivanov@cambridgegreys.com, johannes@sipsolutions.net, chris@zankel.net, jcmvbkbc@gmail.com, tglx@kernel.org, peterz@infradead.org, luto@kernel.org, Ricardo Robaina Subject: [PATCH 07/13] mips: pass all six syscall args to audit_syscall_entry() Date: Thu, 13 Aug 2026 14:02:57 -0300 Message-ID: <212ca026f8a19f564f3b37b03d1d3e09e0de3e47.1786626275.git.rrobaina@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-MFC-PROC-ID: 3ks3g3s0ftp9TKIQdP8DCtxPSf2n_X91zJTbN6m2KRg_1786640715 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260813_100525_317789_3926367B X-CRM114-Status: UNSURE ( 9.27 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use syscall_get_arguments() to retrieve all six arguments portably. On 32-bit MIPS (O32 ABI), arguments 5 and 6 live on the user stack rather than in registers, so direct register access would be wrong. Signed-off-by: Ricardo Robaina --- arch/mips/kernel/ptrace.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 3f4c94c88124..9e6f9accdb41 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -1334,9 +1334,14 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs) if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) trace_sys_enter(regs, regs->regs[2]); - audit_syscall_entry(current_thread_info()->syscall, - regs->regs[4], regs->regs[5], - regs->regs[6], regs->regs[7]); + { + unsigned long args[6]; + + syscall_get_arguments(current, regs, args); + audit_syscall_entry(current_thread_info()->syscall, + args[0], args[1], args[2], args[3], + args[4], args[5]); + } /* * Negative syscall numbers are mistaken for rejected syscalls, but -- 2.55.0