lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 22 Mar 2019 15:27:59 -0700 From: tip-bot for Changbin Du <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: acme@...hat.com, jolsa@...nel.org, changbin.du@...il.com, namhyung@...nel.org, peterz@...radead.org, rostedt@...dmis.org, masami.hiramatsu.pt@...achi.com, hpa@...or.com, ast@...nel.org, tglx@...utronix.de, mingo@...nel.org, daniel@...earbox.net, linux-kernel@...r.kernel.org Subject: [tip:perf/urgent] perf build-id: Fix memory leak in print_sdt_events() Commit-ID: 8bde8516893da5a5fdf06121f74d11b52ab92df5 Gitweb: https://git.kernel.org/tip/8bde8516893da5a5fdf06121f74d11b52ab92df5 Author: Changbin Du <changbin.du@...il.com> AuthorDate: Sat, 16 Mar 2019 16:05:46 +0800 Committer: Arnaldo Carvalho de Melo <acme@...hat.com> CommitDate: Tue, 19 Mar 2019 16:52:04 -0300 perf build-id: Fix memory leak in print_sdt_events() Detected with gcc's ASan: Direct leak of 4356 byte(s) in 120 object(s) allocated from: #0 0x7ff1a2b5a070 in __interceptor_strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3b070) #1 0x55719aef4814 in build_id_cache__origname util/build-id.c:215 #2 0x55719af649b6 in print_sdt_events util/parse-events.c:2339 #3 0x55719af66272 in print_events util/parse-events.c:2542 #4 0x55719ad1ecaa in cmd_list /home/changbin/work/linux/tools/perf/builtin-list.c:58 #5 0x55719aec745d in run_builtin /home/changbin/work/linux/tools/perf/perf.c:302 #6 0x55719aec7d1a in handle_internal_command /home/changbin/work/linux/tools/perf/perf.c:354 #7 0x55719aec8184 in run_argv /home/changbin/work/linux/tools/perf/perf.c:398 #8 0x55719aeca41a in main /home/changbin/work/linux/tools/perf/perf.c:520 #9 0x7ff1a07ae09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) Signed-off-by: Changbin Du <changbin.du@...il.com> Reviewed-by: Jiri Olsa <jolsa@...nel.org> Cc: Alexei Starovoitov <ast@...nel.org> Cc: Daniel Borkmann <daniel@...earbox.net> Cc: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Steven Rostedt (VMware) <rostedt@...dmis.org> Fixes: 40218daea1db ("perf list: Show SDT and pre-cached events") Link: http://lkml.kernel.org/r/20190316080556.3075-7-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/util/build-id.c | 1 + tools/perf/util/parse-events.c | 1 + 2 files changed, 2 insertions(+) diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index bff0d17920ed..0c5517a8d0b7 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -185,6 +185,7 @@ char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size) return bf; } +/* The caller is responsible to free the returned buffer. */ char *build_id_cache__origname(const char *sbuild_id) { char *linkname; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 2e9035c4c252..5ef4939408f2 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -2342,6 +2342,7 @@ void print_sdt_events(const char *subsys_glob, const char *event_glob, printf(" %-50s [%s]\n", buf, "SDT event"); free(buf); } + free(path); } else printf(" %-50s [%s]\n", nd->s, "SDT event"); if (nd2) {
Powered by blists - more mailing lists