In machine__create_modules() the 'path' char array was used in a call to symbol__restricted_filename() without always being populated.
Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> --- tools/perf/util/machine.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 933d14f..1ae917c 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -782,20 +782,17 @@ static int machine__create_modules(struct machine *machine) size_t n; FILE *file; struct map *map; - const char *modules; char path[PATH_MAX]; if (machine__is_default_guest(machine)) - modules = symbol_conf.default_guest_modules; - else { - sprintf(path, "%s/proc/modules", machine->root_dir); - modules = path; - } + strncpy(path, symbol_conf.default_guest_modules, PATH_MAX); + else + snprintf(path, PATH_MAX, "%s/proc/modules", machine->root_dir); if (symbol__restricted_filename(path, "/proc/modules")) return -1; - file = fopen(modules, "r"); + file = fopen(path, "r"); if (file == NULL) return -1; -- 1.7.11.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/