diff options
| -rw-r--r-- | kernel/kcsan/report.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/kernel/kcsan/report.c b/kernel/kcsan/report.c index cf41d63dd0cd..ac5f8345bae9 100644 --- a/kernel/kcsan/report.c +++ b/kernel/kcsan/report.c @@ -262,16 +262,32 @@ static const char *get_thread_desc(int task_id) static int get_stack_skipnr(const unsigned long stack_entries[], int num_entries) { char buf[64]; - int len; - int skip = 0; + char *cur; + int len, skip; - for (; skip < num_entries; ++skip) { + for (skip = 0; skip < num_entries; ++skip) { len = scnprintf(buf, sizeof(buf), "%ps", (void *)stack_entries[skip]); - if (!strnstr(buf, "csan_", len) && - !strnstr(buf, "tsan_", len) && - !strnstr(buf, "_once_size", len)) - break; + + /* Never show tsan_* or {read,write}_once_size. */ + if (strnstr(buf, "tsan_", len) || + strnstr(buf, "_once_size", len)) + continue; + + cur = strnstr(buf, "kcsan_", len); + if (cur) { + cur += sizeof("kcsan_") - 1; + if (strncmp(cur, "test", sizeof("test") - 1)) + continue; /* KCSAN runtime function. */ + /* KCSAN related test. */ + } + + /* + * No match for runtime functions -- @skip entries to skip to + * get to first frame of interest. + */ + break; } + return skip; } |