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Diffstat (limited to 'yjit/src/codegen.rs')
| -rw-r--r-- | yjit/src/codegen.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs index 6409761625..c76d827eaa 100644 --- a/yjit/src/codegen.rs +++ b/yjit/src/codegen.rs @@ -5215,6 +5215,14 @@ fn gen_send_iseq( return CantCompile; } + // Reject ISEQs with very large temp stacks, + // this will allow us to use u8/i8 values to track stack_size and sp_offset + let stack_max = unsafe { rb_get_iseq_body_stack_max(iseq) }; + if stack_max >= i8::MAX as u32 { + incr_counter!(iseq_stack_too_large); + return CantCompile; + } + // No support for callees with these parameters yet as they require allocation // or complex handling. if unsafe { get_iseq_flags_has_post(iseq) } { |