WARNING: line length of 94 exceeds 80 columns
#29: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:182:
+__weak int subprog_untrusted_bad_tags(struct task_struct *task __arg_untrusted __arg_nullable)

WARNING: line length of 92 exceeds 80 columns
#44: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:197:
+__weak int subprog_untrusted_bad_type(struct local_type_wont_be_accepted *p __arg_untrusted)

WARNING: line length of 82 exceeds 80 columns
#51: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:204:
+__msg("arg#0 reference type('STRUCT local_type_wont_be_accepted') has no matches")

WARNING: line length of 94 exceeds 80 columns
#57: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:210:
+__weak int subprog_untrusted(const volatile struct task_struct *restrict task __arg_untrusted)

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#57: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:210:
+__weak int subprog_untrusted(const volatile struct task_struct *restrict task __arg_untrusted)

WARNING: line length of 86 exceeds 80 columns
#104: FILE: tools/testing/selftests/bpf/progs/verifier_global_ptr_args.c:257:
+__msg("Caller passes invalid args into func#{{.*}} ('subprog_trusted_task_nullable')")

total: 0 errors, 6 warnings, 0 checks, 85 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 47fa8c23f313 ("selftests/bpf: test cases for __arg_untrusted") 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, 6 warnings, 0 checks, 85 lines checked