[PATCH v4 3/3] arm64: audit: Add audit hook in ptrace/syscall_trace
From: AKASHI Takahiro <hidden>
Date: 2014-02-07 10:10:59
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. 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 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())
--
1.7.9.5