JDK-8294152 : AArch64: frame::id() and frame::is_older() broken for interpreted frames with large max_stack
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 20
  • Priority: P4
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2022-09-21
  • Updated: 2024-11-19
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JDK 25
25Unresolved
Related Reports
Blocks :  
JDK-8294284 - Loom: make use of frame::is_older() and frame::id() to reduce dependency on growth direction of stacks
Relates :  
JDK-8302745 - sp > unextended_sp for interpreted to interpreted calls going through method handle linker
Description
It should be possible to assert

  f.sender().is_older(f.id())

on any platform, but this breaks on aarch64 when the caller frame has a large max_stack value.  In this case unextended_sp() of an interpreted frame can point outside the current frame into younger callee frames.