diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | vm_trace.c | 2 |
2 files changed, 6 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Mon May 2 00:41:53 2016 Tanaka Akira <akr@fsij.org> + + * vm_trace.c (recalc_remove_ruby_vm_event_flags): Add a cast to + avoid signed integer overflow. + Mon May 2 00:06:04 2016 Tanaka Akira <akr@fsij.org> * test/lib/envutil.rb: Define Integer::{FIXNUM_MIN,FIXNUM_MAX}. diff --git a/vm_trace.c b/vm_trace.c index 673739eb20..a84821e2b0 100644 --- a/vm_trace.c +++ b/vm_trace.c @@ -81,7 +81,7 @@ recalc_remove_ruby_vm_event_flags(rb_event_flag_t events) ruby_vm_event_flags = 0; for (i=0; i<MAX_EVENT_NUM; i++) { - if (events & (1 << i)) { + if (events & ((rb_event_flag_t)1 << i)) { ruby_event_flag_count[i]--; } ruby_vm_event_flags |= ruby_event_flag_count[i] ? (1<<i) : 0; |