patch-2.6.6-vs1.9.0

[linux-2.6.git] / arch / um / kernel / ptrace.c

diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index c68c937..90f8d28 100644 (file)
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -58,6 +58,8 @@ int sys_ptrace(long request, long pid, long addr, long data)
        read_unlock(&tasklist_lock);
        if (!child)
                goto out;
+       if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT))
+               goto out_tsk;
 
        ret = -EPERM;
        if (pid == 1)           /* you may not mess with init */