From mboxrd@z Thu Jan 1 00:00:00 1970 From: takahiro.akashi@linaro.org (AKASHI Takahiro) Date: Tue, 25 Feb 2014 18:18:54 +0900 Subject: [PATCH v5 3/3] arm64: audit: Add audit hook in ptrace/syscall_trace In-Reply-To: <1393319934-2810-1-git-send-email-takahiro.akashi@linaro.org> References: <1391767803-5350-1-git-send-email-takahiro.akashi@linaro.org> <1393319934-2810-1-git-send-email-takahiro.akashi@linaro.org> Message-ID: <1393319934-2810-4-git-send-email-takahiro.akashi@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds auditing functions on entry to or exit from every system call invocation. Signed-off-by: AKASHI Takahiro Acked-by: Richard Guy Briggs --- arch/arm64/kernel/ptrace.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index c70133e..d4ce70e 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -19,6 +19,7 @@ * along with this program. If not, see . */ +#include #include #include #include @@ -38,6 +39,7 @@ #include #include #include +#include #include #include @@ -1062,6 +1064,9 @@ asmlinkage int syscall_trace(int dir, struct pt_regs *regs) { unsigned long saved_reg; + if (dir && test_thread_flag(TIF_SYSCALL_AUDIT)) + audit_syscall_exit(regs); + if (test_thread_flag(TIF_SYSCALL_TRACE)) { if (is_compat_task()) { /* AArch32 uses ip (r12) for scratch */ @@ -1087,5 +1092,11 @@ asmlinkage int syscall_trace(int dir, struct pt_regs *regs) regs->regs[7] = saved_reg; } + if (!dir && test_thread_flag(TIF_SYSCALL_AUDIT)) + audit_syscall_entry(syscall_get_arch(current, regs), + (int)regs->syscallno, + regs->orig_x0, regs->regs[1], + regs->regs[2], regs->regs[3]); + return regs->syscallno; } -- 1.7.9.5