Linus Torvalds 9a3236ce48 Probes fixes and clean ups for v6.5-rc1:
- Fix fprobe's rethook release timing issue(1). Release rethook after
   ftrace_ops is unregistered so that the rethook is not accessed after
   free.
 
 - Fix fprobe's rethook access timing issue(2). Stop rethook before
   ftrace_ops is unregistered so that the rethook is NOT keep using
   after exiting the unregister_fprobe().
 
 - Fix eprobe cleanup logic. If it attaches to multiple events and failes
   to enable one of them, rollback all enabled events correctly.
 
 - Fix fprobe to unlock ftrace recursion lock correctly when it missed
   by another running kprobe.
 
 - Cleanup kprobe to remove unnecessary NULL.
 
 - Cleanup kprobe to remove unnecessary 0 initializations.
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Merge tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fixes from Masami Hiramatsu:

 - Fix fprobe's rethook release issues:

     - Release rethook after ftrace_ops is unregistered so that the
       rethook is not accessed after free.

     - Stop rethook before ftrace_ops is unregistered so that the
       rethook is NOT used after exiting unregister_fprobe()

 - Fix eprobe cleanup logic. If it attaches to multiple events and
   failes to enable one of them, rollback all enabled events correctly.

 - Fix fprobe to unlock ftrace recursion lock correctly when it missed
   by another running kprobe.

 - Cleanup kprobe to remove unnecessary NULL.

 - Cleanup kprobe to remove unnecessary 0 initializations.

* tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
  kernel: kprobes: Remove unnecessary ‘0’ values
  kprobes: Remove unnecessary ‘NULL’ values from correct_ret_addr
  fprobe: add unlock to match a succeeded ftrace_test_recursion_trylock
  kernel/trace: Fix cleanup logic of enable_trace_eprobe
  fprobe: Release rethook after the ftrace_ops is unregistered
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