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Subject[PATCH 2/2] riscv: audit: add audit hook in do_syscall_trace_enter/exit()
Date
This patch adds auditing functions on entry to and exit from every system
call invocation.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
---
arch/riscv/kernel/ptrace.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index 9f82a7e34c64..85b0c93f00c6 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -18,6 +18,7 @@
#include <asm/ptrace.h>
#include <asm/syscall.h>
#include <asm/thread_info.h>
+#include <linux/audit.h>
#include <linux/ptrace.h>
#include <linux/elf.h>
#include <linux/regset.h>
@@ -111,10 +112,14 @@ void do_syscall_trace_enter(struct pt_regs *regs)
if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
trace_sys_enter(regs, syscall_get_nr(current, regs));
#endif
+
+ audit_syscall_entry(regs->a7, regs->a0, regs->a1, regs->a2, regs->a3);
}

void do_syscall_trace_exit(struct pt_regs *regs)
{
+ audit_syscall_exit(regs);
+
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);

--
2.17.2
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