diff options
Diffstat (limited to 'arch/xtensa/kernel/ptrace.c')
| -rw-r--r-- | arch/xtensa/kernel/ptrace.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index b4c07bd890fe..ce4a32bd2294 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -12,6 +12,7 @@ * Marc Gauthier<marc@tensilica.com> <marc@alumni.uwaterloo.ca> */ +#include <linux/audit.h> #include <linux/errno.h> #include <linux/hw_breakpoint.h> #include <linux/kernel.h> @@ -21,6 +22,7 @@ #include <linux/regset.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> +#include <linux/seccomp.h> #include <linux/security.h> #include <linux/signal.h> #include <linux/smp.h> @@ -51,6 +53,7 @@ static int gpr_get(struct task_struct *target, .threadptr = regs->threadptr, .windowbase = regs->windowbase, .windowstart = regs->windowstart, + .syscall = regs->syscall, }; memcpy(newregs.a, @@ -90,6 +93,9 @@ static int gpr_set(struct task_struct *target, regs->sar = newregs.sar; regs->threadptr = newregs.threadptr; + if (newregs.syscall) + regs->syscall = newregs.syscall; + if (newregs.windowbase != regs->windowbase || newregs.windowstart != regs->windowstart) { u32 rotws, wmask; @@ -554,7 +560,8 @@ int do_syscall_trace_enter(struct pt_regs *regs) return 0; } - if (regs->syscall == NO_SYSCALL) { + if (regs->syscall == NO_SYSCALL || + secure_computing() == -1) { do_syscall_trace_leave(regs); return 0; } @@ -562,6 +569,9 @@ int do_syscall_trace_enter(struct pt_regs *regs) if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) trace_sys_enter(regs, syscall_get_nr(current, regs)); + audit_syscall_entry(regs->syscall, regs->areg[6], + regs->areg[3], regs->areg[4], + regs->areg[5]); return 1; } @@ -569,6 +579,8 @@ void do_syscall_trace_leave(struct pt_regs *regs) { int step; + audit_syscall_exit(regs); + if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) trace_sys_exit(regs, regs_return_value(regs)); |