WARNING: line length of 81 exceeds 80 columns #93: FILE: tools/testing/selftests/bpf/progs/user_ringbuf_fail.c:239: +__failure __msg("dereference of modified dynptr_ptr ptr R1 off=16384 disallowed") total: 0 errors, 1 warnings, 0 checks, 60 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 96c175aac279 ("bpf: add new negative selftests to cover missing check_func_arg_reg_off() and reg->type check") 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, 60 lines checked