[PATCH 03/13] perf trace: Fix off by one string allocation problem

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <a...@redhat.com>

We need to consider the null terminator, oops, fix it.

Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Wang Nan <wangn...@huawei.com>
Fixes: 017037ff3d0b ("perf trace: Allow specifying list of syscalls and events 
in -e/--expr/--event")
Link: http://lkml.kernel.org/n/tip-j79jpqqe91gvxqmsgxgfn...@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index de02413a25d3..91905839e386 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2806,7 +2806,7 @@ static int trace__parse_events_option(const struct option 
*opt, const char *str,
        struct trace *trace = (struct trace *)opt->value;
        const char *s = str;
        char *sep = NULL, *lists[2] = { NULL, NULL, };
-       int len = strlen(str), err = -1, list;
+       int len = strlen(str) + 1, err = -1, list;
        char *strace_groups_dir = system_path(STRACE_GROUPS_DIR);
        char group_name[PATH_MAX];
 
-- 
2.13.5