diff options
Diffstat (limited to 'arch/mips/kernel/ptrace.c')
| -rw-r--r-- | arch/mips/kernel/ptrace.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index b5a7b46bbc49..bbd57b20b43e 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -20,11 +20,11 @@ #include <linux/mm.h> #include <linux/errno.h> #include <linux/ptrace.h> -#include <linux/audit.h> #include <linux/smp.h> #include <linux/user.h> #include <linux/security.h> -#include <linux/signal.h> +#include <linux/audit.h> +#include <linux/seccomp.h> #include <asm/byteorder.h> #include <asm/cpu.h> @@ -174,17 +174,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) switch (request) { /* when I and D space are separate, these will need to be fixed. */ case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - int copied; - - copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0); - ret = -EIO; - if (copied != sizeof(tmp)) - break; - ret = put_user(tmp,(unsigned long __user *) data); + case PTRACE_PEEKDATA: + ret = generic_ptrace_peekdata(child, addr, data); break; - } /* Read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { @@ -313,11 +305,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) /* when I and D space are separate, this will have to be fixed. */ case PTRACE_POKETEXT: /* write the word at location addr. */ case PTRACE_POKEDATA: - ret = 0; - if (access_process_vm(child, addr, &data, sizeof(data), 1) - == sizeof(data)) - break; - ret = -EIO; + ret = generic_ptrace_pokedata(child, addr, data); break; case PTRACE_POKEUSR: { @@ -482,12 +470,17 @@ static inline int audit_arch(void) */ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) { + /* do the secure computing check first */ + if (!entryexit) + secure_computing(regs->regs[0]); + if (unlikely(current->audit_context) && entryexit) audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]), regs->regs[2]); if (!(current->ptrace & PT_PTRACED)) goto out; + if (!test_thread_flag(TIF_SYSCALL_TRACE)) goto out; @@ -505,9 +498,10 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit) send_sig(current->exit_code, current, 1); current->exit_code = 0; } - out: + +out: if (unlikely(current->audit_context) && !entryexit) - audit_syscall_entry(audit_arch(), regs->regs[2], + audit_syscall_entry(audit_arch(), regs->regs[0], regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); } |