WARNING: line length of 88 exceeds 80 columns
#65: FILE: tools/testing/selftests/bpf/libarena/selftests/selftest.c:108:
+		ret = libarena_run_prog(bpf_program__fd(skel->progs.arena_buddy_reset));

WARNING: line length of 81 exceeds 80 columns
#132: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:55:
+ * verification failures if verified with the rest of asan_test_buddy_uaf_single.

CHECK: spaces preferred around that '*' (ctx:WxV)
#134: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:57:
+__weak int asan_test_buddy_byte(u8 __arena __arg_arena *mem, int i, bool freed)
                                                        ^

CHECK: Alignment should match open parenthesis
#140: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:63:
+	if (freed && BUDDY_HEADER_OFF <= i &&
+		i < BUDDY_HEADER_OFF + sizeof(struct buddy_header))

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#189: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:112:
+	volatile u8 mem[48];

WARNING: Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst
#195: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:118:
+	volatile struct buddy_blob __arena *blob;

WARNING: Prefer ARRAY_SIZE(sizes)
#237: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:160:
+	for (i = zero; i < sizeof(sizes) / sizeof(sizes[0]) && can_loop; i++) {

CHECK: Alignment should match open parenthesis
#241: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:164:
+			arena_stdout("%s:%d Failed for size %lu", __func__,
+				   __LINE__, sizes[i]);

WARNING: Prefer ARRAY_SIZE(sizes)
#268: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:191:
+	for (i = zero; i < sizeof(sizes) / sizeof(sizes[0]) && can_loop; i++) {

CHECK: Alignment should match open parenthesis
#272: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:195:
+			arena_stdout("%s:%d Failed for size %lu", __func__,
+				   __LINE__, sizes[i]);

CHECK: Alignment should match open parenthesis
#303: FILE: tools/testing/selftests/bpf/libarena/selftests/st_asan_buddy.bpf.c:226:
+			arena_stdout("%s:%d Failed on iteration %d", __func__,
+				   __LINE__, i);

WARNING: do not add new typedefs
#343: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:17:
+typedef struct segarr_entry __arena segarr_entry_t;

WARNING: line length of 87 exceeds 80 columns
#349: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:23:
+size_t __arena alloc_multiple_sizes[] = { 3, 17, 1025, 129, 16350, 333, 9, 517, 2099 };

CHECK: Alignment should match open parenthesis
#486: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:160:
+				arena_stdout("%s:%d %lx %u vs %u", __func__,
+					   __LINE__, &mem[j], mem[j], poison);

WARNING: line length of 81 exceeds 80 columns
#512: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:186:
+			arena_stdout("alignment test: alloc failed for size %lu",

CHECK: Alignment should match open parenthesis
#513: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:187:
+			arena_stdout("alignment test: alloc failed for size %lu",
+				   alignment_sizes[i]);

CHECK: Lines should not end with a '('
#520: FILE: tools/testing/selftests/bpf/libarena/selftests/st_buddy.bpf.c:194:
+			arena_stdout(

CHECK: Alignment should match open parenthesis
#557: FILE: tools/testing/selftests/bpf/prog_tests/libarena.c:14:
+static void run_libarena_test(struct libarena *skel, struct bpf_program *prog,
+		const char *name)

WARNING: line length of 88 exceeds 80 columns
#562: FILE: tools/testing/selftests/bpf/prog_tests/libarena.c:19:
+		ret = libarena_run_prog(bpf_program__fd(skel->progs.arena_buddy_reset));

CHECK: Blank lines aren't necessary before a close brace '}'
#570: FILE: tools/testing/selftests/bpf/prog_tests/libarena.c:27:
+
+}

WARNING: line length of 82 exceeds 80 columns
#586: FILE: tools/testing/selftests/bpf/prog_tests/libarena.c:43:
+	ret = libarena_run_prog(bpf_program__fd(skel->progs.arena_alloc_reserve));

total: 0 errors, 11 warnings, 10 checks, 545 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 eda395e5cb02 ("selftests/bpf: Add selftests for libarena buddy allocator") 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, 11 warnings, 10 checks, 545 lines checked