diff options
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 787320de68e0..04799aa638fe 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -652,7 +652,7 @@ static int ptrace_peek_siginfo(struct task_struct *child, break; #ifdef CONFIG_COMPAT - if (unlikely(is_compat_task())) { + if (unlikely(is_compat_task() && !COMPAT_USE_NATIVE_SIGINFO)) { compat_siginfo_t __user *uinfo = compat_ptr(data); if (copy_siginfo_to_user32(uinfo, &info) || @@ -1140,16 +1140,26 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request, case PTRACE_GETSIGINFO: ret = ptrace_getsiginfo(child, &siginfo); - if (!ret) - ret = copy_siginfo_to_user32( - (struct compat_siginfo __user *) datap, - &siginfo); + if (!ret) { + if (COMPAT_USE_NATIVE_SIGINFO) + ret = copy_siginfo_to_user( + (struct siginfo __user *) datap, + &siginfo); + else + ret = copy_siginfo_to_user32( + (struct compat_siginfo __user *) datap, + &siginfo); + } break; case PTRACE_SETSIGINFO: memset(&siginfo, 0, sizeof siginfo); - if (copy_siginfo_from_user32( - &siginfo, (struct compat_siginfo __user *) datap)) + if (COMPAT_USE_NATIVE_SIGINFO) + ret = copy_from_user(&siginfo, datap, sizeof(siginfo)); + else + ret = copy_siginfo_from_user32( + &siginfo, (struct compat_siginfo __user *) datap); + if (ret) ret = -EFAULT; else ret = ptrace_setsiginfo(child, &siginfo); |