diff options
-rw-r--r-- | tools/perf/util/annotate.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 1dd1949b0e79..1e1c37a17355 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -1077,7 +1077,7 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) struct dso *dso = map->dso; char *filename = dso__build_id_filename(dso, NULL, 0); bool free_filename = true; - char command[PATH_MAX * 2]; + char *command; FILE *file; int err = 0; char symfs_filename[PATH_MAX]; @@ -1192,7 +1192,7 @@ fallback: strcpy(symfs_filename, tmp); } - snprintf(command, sizeof(command), + err = asprintf(&command, "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", @@ -1205,6 +1205,11 @@ fallback: symbol_conf.annotate_src ? "-S" : "", symfs_filename, filename); + if (err < 0) { + pr_err("Failure allocating memory for the command to run\n"); + goto out_remove_tmp; + } + pr_debug("Executing: %s\n", command); file = popen(command, "r"); @@ -1214,7 +1219,7 @@ fallback: * If we were using debug info should retry with * original binary. */ - goto out_remove_tmp; + goto out_free_command; } nline = 0; @@ -1237,6 +1242,9 @@ fallback: pclose(file); +out_free_command: + free(command); + out_remove_tmp: if (dso__needs_decompress(dso)) unlink(symfs_filename); |