[PATCH v10 3/3] arm64: audit: Add audit hook in syscall_trace_enter/exit()
From: AKASHI Takahiro <hidden>
Date: 2014-07-04 07:30:27
Also in:
lkml
Subsystem:
arm64 port (aarch64 architecture), ptrace support, the rest · Maintainers:
Catalin Marinas, Will Deacon, Oleg Nesterov, Linus Torvalds
This patch adds auditing functions on entry to or exit from every system call invocation. Acked-by: Richard Guy Briggs <redacted> Acked-by Will Deacon [off-list ref] Signed-off-by: AKASHI Takahiro <redacted> --- arch/arm64/kernel/ptrace.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index 9fde010..70526cf 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c@@ -19,6 +19,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/audit.h> #include <linux/compat.h> #include <linux/kernel.h> #include <linux/sched.h>
@@ -39,6 +40,7 @@ #include <asm/compat.h> #include <asm/debug-monitors.h> #include <asm/pgtable.h> +#include <asm/syscall.h> #include <asm/traps.h> #include <asm/system_misc.h>
@@ -1113,11 +1115,16 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) trace_sys_enter(regs, regs->syscallno); + audit_syscall_entry(syscall_get_arch(), regs->syscallno, + regs->orig_x0, regs->regs[1], regs->regs[2], regs->regs[3]); + return regs->syscallno; } asmlinkage void syscall_trace_exit(struct pt_regs *regs) { + audit_syscall_exit(regs); + if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) trace_sys_exit(regs, regs_return_value(regs));
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1.7.9.5