WARNING: line length of 87 exceeds 80 columns
#101: FILE: tools/testing/selftests/bpf/progs/dynptr_fail.c:1158:
+/* Read-only skb metadata slice is invalidated whenever a helper changes packet data */

WARNING: line length of 88 exceeds 80 columns
#131: FILE: tools/testing/selftests/bpf/progs/dynptr_fail.c:1207:
+/* Read-write skb metadata slice is invalidated whenever a helper changes packet data */

WARNING: line length of 81 exceeds 80 columns
#282: FILE: tools/testing/selftests/bpf/progs/dynptr_fail.c:1395:
+/* Read-write skb metadata slice is _not_ invalidated on write to skb metadata */

WARNING: line length of 82 exceeds 80 columns
#313: FILE: tools/testing/selftests/bpf/progs/dynptr_fail.c:1482:
+__failure __msg("calling kernel function bpf_dynptr_from_skb_meta is not allowed")

total: 0 errors, 4 warnings, 0 checks, 341 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 1611dd2d2bb4 ("selftests/bpf: Cover verifier checks for skb_meta dynptr type") 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, 4 warnings, 0 checks, 341 lines checked