This patch adds auditing functions on entry to or exit from every system call invocation.
Signed-off-by: AKASHI Takahiro takahiro.akashi@linaro.org --- 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 64ce39f..8cdba09 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/kernel.h> #include <linux/sched.h> #include <linux/mm.h> @@ -38,6 +39,7 @@ #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>
@@ -1076,10 +1078,15 @@ asmlinkage int syscall_trace(int dir, struct pt_regs *regs) }
if (dir) { + audit_syscall_exit(regs); tracehook_report_syscall_exit(regs, 0); } else { if (tracehook_report_syscall_entry(regs)) regs->syscallno = ~0UL; + audit_syscall_entry(syscall_get_arch(current, regs), + (int)regs->syscallno, + regs->orig_x0, regs->regs[1], + regs->regs[2], regs->regs[3]); }
if (is_compat_task())