diff options
Diffstat (limited to 'vm_backtrace.c')
-rw-r--r-- | vm_backtrace.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/vm_backtrace.c b/vm_backtrace.c index bb01983a7c..4f92439478 100644 --- a/vm_backtrace.c +++ b/vm_backtrace.c @@ -451,6 +451,12 @@ backtrace_each(const rb_execution_context_t *ec, const rb_control_frame_t *cfp; ptrdiff_t size, i; + // In the case the thread vm_stack or cfp is not initialized, there is no backtrace. + if (start_cfp == NULL) { + init(arg, 0); + return; + } + /* <- start_cfp (end control frame) * top frame (dummy) * top frame (dummy) |