[PATCH 0/2] tracing/probes: Fix BTF structure member finder

[Masami Hiramatsu (Google)]

Hi,

This is a series of fixes for the BTF structure member finder in trace_btf.c
Sashiko found 2 problems in it during reviewing the wprobe series.[1][2]
I decided to pick those fixes as independent fix series.
[1] https://lore.kernel.org/all/20260822095110.0772E1F000E9@xxxxxxxxxxxxxxx/
[2] https://lore.kernel.org/all/20260830143859.D56991F00A3D@xxxxxxxxxxxxxxx/

 - [1/2] btf_find_struct_member() did not consider unnamed bitfields.
   Fix it to skip such unnamed bitfields from nested struct search.
 - [2/2] get_bitoffset_of_field() wrongly checks the field's
   type->kflag for offset encoding. It should check the member's
   type->kflag instead. Thus it adds member_type out-parameter to
   btf_find_struct_member() to get the member's type information
   and use it.

Thanks,

---
base-commit: cee9395acd8043be0644b25c34bfa86623f2b935

Masami Hiramatsu (Google) (2):
      tracing/probes: Fix anon_stack check for unnamed bitfields in btf_find_struct_member
      tracing/probes: Fix BTF kflag check for anonymous struct member access


 kernel/trace/trace_btf.c   |   31 +++++++++++++++++--------------
 kernel/trace/trace_btf.h   |    3 ++-
 kernel/trace/trace_probe.c |   15 ++++++++-------
 3 files changed, 27 insertions(+), 22 deletions(-)

--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>