WARNING: line length of 86 exceeds 80 columns
#84: FILE: kernel/bpf/liveness.c:1448:
+		/* helper/kfunc read unknown amount of bytes from fp_off until fp+0 */

WARNING: line length of 82 exceeds 80 columns
#94: FILE: kernel/bpf/liveness.c:1458:
+		slot_lo = max_t(s32, (-fp_off - access_bytes) / STACK_SLOT_SZ, 0);

WARNING: line length of 102 exceeds 80 columns
#102: FILE: kernel/bpf/liveness.c:1466:
+		slot_lo = max_t(s32, (-fp_off - access_bytes + STACK_SLOT_SZ - 1) / STACK_SLOT_SZ, 0);

WARNING: line length of 99 exceeds 80 columns
#134: FILE: kernel/bpf/liveness.c:1498:
+		record_stack_access_off(env, instance, arg->off[i], access_bytes, frame, insn_idx);

WARNING: line length of 84 exceeds 80 columns
#141: FILE: kernel/bpf/liveness.c:1505:
+static void record_imprecise(struct func_instance *instance, u32 mask, u32 insn_idx)

WARNING: braces {} are not necessary for any arm of this statement
#205: FILE: kernel/bpf/liveness.c:1569:
+	if (ptr->frame >= 0 && ptr->frame <= depth) {
[...]
+	} else if (ptr->frame == ARG_IMPRECISE) {
[...]

WARNING: line length of 82 exceeds 80 columns
#206: FILE: kernel/bpf/liveness.c:1570:
+		record_stack_access(env, instance, ptr, sz, ptr->frame, insn_idx);

WARNING: line length of 90 exceeds 80 columns
#238: FILE: kernel/bpf/liveness.c:1602:
+			bytes = bpf_helper_stack_access_bytes(env, insn, r - 1, insn_idx);

WARNING: line length of 89 exceeds 80 columns
#240: FILE: kernel/bpf/liveness.c:1604:
+			bytes = bpf_kfunc_stack_access_bytes(env, insn, r - 1, insn_idx);

WARNING: line length of 81 exceeds 80 columns
#243: FILE: kernel/bpf/liveness.c:1607:
+				mark_stack_read(instance, f, insn_idx, SPIS_ALL);

WARNING: braces {} are not necessary for any arm of this statement
#249: FILE: kernel/bpf/liveness.c:1613:
+		if (frame >= 0 && frame <= depth) {
[...]
+		} else if (frame == ARG_IMPRECISE) {
[...]

WARNING: line length of 91 exceeds 80 columns
#250: FILE: kernel/bpf/liveness.c:1614:
+			record_stack_access(env, instance, &at[r], bytes, frame, insn_idx);

WARNING: line length of 90 exceeds 80 columns
#292: FILE: kernel/bpf/liveness.c:1963:
+					err = mark_stack_read(instance, f, idx, SPIS_ALL);

total: 0 errors, 13 warnings, 0 checks, 266 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 e318c3f038b0 ("bpf: record arg tracking results in bpf_liveness masks") 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, 13 warnings, 0 checks, 266 lines checked