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Diffstat (limited to 'thread.c')
-rw-r--r-- | thread.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -596,7 +596,11 @@ thread_cleanup_func_before_exec(void *th_ptr) { rb_thread_t *th = th_ptr; th->status = THREAD_KILLED; + // The thread stack doesn't exist in the forked process: th->ec->machine.stack_start = th->ec->machine.stack_end = NULL; + + // The vm_stack is `alloca`ed on the thread stack, so it's gone too: + rb_ec_clear_vm_stack(th->ec); } static void |