From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 03/13] perf trace: Fix off by one string allocation problem Date: Mon, 21 Aug 2017 16:25:39 -0300 Message-ID: <20170821192549.17251-4-acme@kernel.org> References: <20170821192549.17251-1-acme@kernel.org> Return-path: In-Reply-To: <20170821192549.17251-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo We need to consider the null terminator, oops, fix it. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Fixes: 017037ff3d0b ("perf trace: Allow specifying list of syscalls and events in -e/--expr/--event") Link: http://lkml.kernel.org/n/tip-j79jpqqe91gvxqmsgxgfn2ni@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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