In the attachment fixed Debian patch(with lock_user_string).
Index: linux-user/syscall.c
===================================================================
RCS file: /sources/qemu/qemu/linux-user/syscall.c,v
retrieving revision 1.86
diff -u -r1.86 syscall.c
--- linux-user/syscall.c 11 Feb 2007 20:03:13 -0000 1.86
+++ linux-user/syscall.c 12 Feb 2007 10:49:07 -0000
@@ -2163,8 +2163,18 @@
ret = get_errno(getpid());
break;
case TARGET_NR_mount:
- /* need to look at the data field */
- goto unimplemented;
+ {
+ /* need to look at the data field */
+ void *p2, *p3;
+ p = lock_user_string(arg1);
+ p2 = lock_user_string(arg2);
+ p3 = lock_user_string(arg3);
+ ret = get_errno(mount(p, p2, p3, (unsigned long)arg4,
(const void *)arg5));
+ unlock_user(p, arg1, 0);
+ unlock_user(p2, arg2, 0);
+ unlock_user(p3, arg3, 0);
+ break;
+ }
case TARGET_NR_umount:
p = lock_user_string(arg1);
ret = get_errno(umount(p));
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