Merge tag 'probes-fixes-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull probes fixes from Masami Hiramatsu:

 - Protect kprobe_blacklist with RCU

   RCU-protect kprobe_blacklist and use kfree_rcu() to prevent UAF races
   during module unloading and enable safe atomic lookups.

 - Fix multi-probe field use-after-free

   Duplicate field and type strings on trace_probe_event to prevent UAF
   when freeing primary probe

 - Fix probe BTF member lookup:

   Check the containing inner struct/union kflag when resolving
   anonymous members to ensure correct bitfield offset calculation

   Prevent unnamed bitfields from being pushed to anon_stack in
   btf_find_struct_member(), avoiding false lookup errors

   Fix code block indentation in get_bitoffset_of_field()

 - uprobes error pointer safety

   Guard free_trace_uprobe() with IS_ERR_OR_NULL() to avoid crashing
   during automatic cleanup when an error pointer is returned

* tag 'probes-fixes-v7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  kprobes: Protect kprobe_blacklist with RCU
  tracing/probes: Fix use-after-free on field name/type of events with multiple probes
  tracing/probes: Fix code indent in get_bitoffset_of_field()
  tracing/probes: Fix BTF kflag check for anonymous struct member access
  tracing/probes: Fix anon_stack check for unnamed bitfields in btf_find_struct_member
  uprobes: guard trace cleanup against error pointers

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