X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fprocess_vm_access.c;h=88c35c9e4407fca72cc63e22911b53489979bdeb;hb=1c8d42255f4c55f9550f72bbcda758aeff3fd7c2;hp=e920aa3ce104c35b902e8412864c78102fa3177e;hpb=1583171492eb514e267c7b51e96846b38de0f544;p=pandora-kernel.git

diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c
index e920aa3ce104..88c35c9e4407 100644
--- a/mm/process_vm_access.c
+++ b/mm/process_vm_access.c
@@ -299,7 +299,7 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec,
 	}
 
 	task_lock(task);
-	if (__ptrace_may_access(task, PTRACE_MODE_ATTACH)) {
+	if (__ptrace_may_access(task, PTRACE_MODE_ATTACH_REALCREDS)) {
 		task_unlock(task);
 		rc = -EPERM;
 		goto put_task_struct;
@@ -434,12 +434,6 @@ compat_process_vm_rw(compat_pid_t pid,
 	if (flags != 0)
 		return -EINVAL;
 
-	if (!access_ok(VERIFY_READ, lvec, liovcnt * sizeof(*lvec)))
-		goto out;
-
-	if (!access_ok(VERIFY_READ, rvec, riovcnt * sizeof(*rvec)))
-		goto out;
-
 	if (vm_write)
 		rc = compat_rw_copy_check_uvector(WRITE, lvec, liovcnt,
 						  UIO_FASTIOV, iovstack_l,
@@ -464,8 +458,6 @@ free_iovecs:
 		kfree(iov_r);
 	if (iov_l != iovstack_l)
 		kfree(iov_l);
-
-out:
 	return rc;
 }