WARNING: line length of 90 exceeds 80 columns
#77: FILE: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:566:
+			expected = split_len; /* FIONREAD for UDP is different from TCP */

WARNING: line length of 88 exceeds 80 columns
#142: FILE: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:1088:
+	err = bpf_prog_attach(bpf_program__fd(prog), map, BPF_SK_SKB_STREAM_VERDICT, 0);

WARNING: line length of 88 exceeds 80 columns
#214: FILE: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:1160:
+	err = bpf_prog_attach(bpf_program__fd(prog), map, BPF_SK_SKB_STREAM_VERDICT, 0);

WARNING: line length of 95 exceeds 80 columns
#220: FILE: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:1166:
+		err = bpf_prog_attach(bpf_program__fd(prog), map, BPF_SK_SKB_STREAM_PARSER, 0);

WARNING: line length of 88 exceeds 80 columns
#262: FILE: tools/testing/selftests/bpf/prog_tests/sockmap_basic.c:1208:
+		/* p0 previously redirected skb to p1, we also check copied_seq of p0 */

WARNING: The commit message has 'syzkaller', perhaps it also needs a 'Fixes:' tag?

total: 0 errors, 6 warnings, 0 checks, 273 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 28ee42836b34 ("bpf, selftest: Add tests for FIONREAD and copied_seq") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 273 lines checked