RFR: 8304725: AsyncGetCallTrace can cause SIGBUS on M1 [v5]

Mon Apr 3 08:29:55 UTC 2023

> Fixes the issue by transitioning the thread into the WXWrite mode while walking the stack in AsyncGetCallTrace.
> 
> Tested on my M1 mac.

Johannes Bechberger has updated the pull request incrementally with two additional commits since the last revision:

 - Fix fix
 - Fix minor issues

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/13144/files
  - new: https://git.openjdk.org/jdk/pull/13144/files/1973e005..6f1108ed

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=13144&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13144&range=03-04

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/13144.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13144/head:pull/13144

PR: https://git.openjdk.org/jdk/pull/13144