diff options
| -rw-r--r-- | tools/perf/util/symbol-elf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 8fb25a5692b5..51e7cfe0f593 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -1027,7 +1027,14 @@ int filename__read_debuglink(const char *filename, char *debuglink, goto out_elf_end; /* the start of this section is a zero-terminated string */ - strncpy(debuglink, data->d_buf, size); + if (data->d_size > 0) { + size_t len = min(size - 1, data->d_size); + + memcpy(debuglink, data->d_buf, len); + debuglink[len] = '\0'; + } else { + debuglink[0] = '\0'; + } err = 0; |