X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Fptrace.c;h=a8439e2a2ac30d9b05e01ecc08ea72fd2bad9734;hb=ebc937de62c6d6eafa6c56a869bfd43e9081c865;hp=e8caff95d3450441ae5c2e0397b786d2bd4df0e6;hpb=8d40237c730b8be87c1b80a5d96b9c603fefa829;p=linux-2.6.git

diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index e8caff95d..a8439e2a2 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -55,6 +55,8 @@ long 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 */