X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Falpha%2Fkernel%2Fptrace.c;fp=arch%2Falpha%2Fkernel%2Fptrace.c;h=5d9aae6be7730fa17e560e8f3c01ff2a072e815c;hb=a8e794ca871505c8ea96cc102f4ad555c5231d7f;hp=aa654cc85369c5b9380b64828dba95cedc70179a;hpb=b76fcd5f0c655b6e3e9bf534594357025421c66a;p=linux-2.6.git

diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index aa654cc85..5d9aae6be 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -287,6 +287,8 @@ do_sys_ptrace(long request, long pid, long addr, long data,
 	read_unlock(&tasklist_lock);
 	if (!child)
 		goto out_notsk;
+	if (!vx_check(vx_task_xid(child), VX_WATCH|VX_IDENT))
+		goto out;
 
 	if (request == PTRACE_ATTACH) {
 		ret = ptrace_attach(child);