diff options
| -rw-r--r-- | target-i386/op_helper.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 25e079b8fd..be092637a0 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -3241,6 +3241,8 @@ target_ulong helper_lsl(target_ulong selector1) selector = selector1 & 0xffff; eflags = helper_cc_compute_all(CC_OP); + if ((selector & 0xfffc) == 0) + goto fail; if (load_segment(&e1, &e2, selector) != 0) goto fail; rpl = selector & 3; |