WARNING: use of RCU tasks trace is incorrect outside BPF or core RCU code #38: FILE: kernel/trace/bpf_trace.c:2266: + synchronize_rcu_tasks_trace(); total: 0 errors, 1 warnings, 0 checks, 13 lines checked NOTE: For some of the reported defects, checkpatch may be able to mechanically convert to the typical style using --fix or --fix-inplace. Commit 9699be3043f2 ("bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. total: 0 errors, 1 warnings, 0 checks, 13 lines checked