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From: tip-bot for Changbin Du <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: jolsa@kernel.org, changbin.du@gmail.com, namhyung@kernel.org,
	peterz@infradead.org, tglx@linutronix.de, mingo@kernel.org,
	rostedt@goodmis.org, daniel@iogearbox.net, ast@kernel.org,
	linux-kernel@vger.kernel.org, acme@redhat.com,
	eric.saint.etienne@oracle.com, hpa@zytor.com
Subject: [tip:perf/urgent] perf map: Remove map from 'names' tree in __maps__remove()
Date: Fri, 22 Mar 2019 15:30:40 -0700	[thread overview]
Message-ID: <tip-b49265e04410b97b31a5ee66ef6782c1b2d6cd2c@git.kernel.org> (raw)
In-Reply-To: <20190316080556.3075-11-changbin.du@gmail.com>

Commit-ID:  b49265e04410b97b31a5ee66ef6782c1b2d6cd2c
Gitweb:     https://git.kernel.org/tip/b49265e04410b97b31a5ee66ef6782c1b2d6cd2c
Author:     Changbin Du <changbin.du@gmail.com>
AuthorDate: Sat, 16 Mar 2019 16:05:50 +0800
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 19 Mar 2019 16:52:05 -0300

perf map: Remove map from 'names' tree in __maps__remove()

There are two trees for each map inserted by maps__insert(), so remove
it from the 'names' tree in __maps__remove().

Detected with gcc's ASan.

Signed-off-by: Changbin Du <changbin.du@gmail.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Eric Saint-Etienne <eric.saint.etienne@oracle.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Fixes: 1e6285699b30 ("perf symbols: Fix slowness due to -ffunction-section")
Link: http://lkml.kernel.org/r/20190316080556.3075-11-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/map.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index fbeb0c6efaa6..64bea5eb8bf6 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -917,6 +917,9 @@ static void __maps__remove(struct maps *maps, struct map *map)
 {
 	rb_erase_init(&map->rb_node, &maps->entries);
 	map__put(map);
+
+	rb_erase_init(&map->rb_node_name, &maps->names);
+	map__put(map);
 }
 
 void maps__remove(struct maps *maps, struct map *map)

  reply	other threads:[~2019-03-22 22:31 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-16  8:05 [PATCH 00/16] fix some perf issues detected by ASan Changbin Du
2019-03-16  8:05 ` [PATCH 01/16] perf: add doc for how to build perf with Asan and UBSan Changbin Du
2019-03-18 10:07   ` Jiri Olsa
2019-03-18 20:08     ` Arnaldo Carvalho de Melo
2019-03-20 12:00       ` Changbin Du
2019-03-20 11:58     ` Changbin Du
2019-03-22 22:24   ` [tip:perf/urgent] perf tools: Add doc about " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 02/16] perf: list: fix memory leak in function is_event_supported Changbin Du
2019-03-22 22:25   ` [tip:perf/urgent] perf list: Don't forget to drop the reference to the allocated thread_map tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 03/16] perf: fix errors under optimization level '-Og' Changbin Du
2019-03-22 22:26   ` [tip:perf/urgent] perf tools: Fix " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 04/16] perf: fix an error in config template Changbin Du
2019-03-22 22:26   ` [tip:perf/urgent] perf config: Fix an error in the config template documentation tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 05/16] perf: fix a memory leak in collect_config Changbin Du
2019-03-22 22:27   ` [tip:perf/urgent] perf config: Fix a memory leak in collect_config() tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 06/16] perf: fix memory leak in print_sdt_events() Changbin Du
2019-03-22 22:27   ` [tip:perf/urgent] perf build-id: Fix " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 07/16] perf: top: fix heap-use-after-free issue Changbin Du
2019-03-18 10:08   ` Jiri Olsa
2019-03-22 22:28   ` [tip:perf/urgent] perf top: Delete the evlist before perf_session, fixing " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 08/16] perf: top: fix error handing in cmd_top() Changbin Du
2019-03-22 22:29   ` [tip:perf/urgent] perf top: Fix error handling " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 09/16] perf: missed a map__put() in error case Changbin Du
2019-03-22 22:29   ` [tip:perf/urgent] perf hist: Add missing " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 10/16] perf: remove map from names tree in __maps__remove Changbin Du
2019-03-22 22:30   ` tip-bot for Changbin Du [this message]
2019-03-16  8:05 ` [PATCH 11/16] perf: purge all maps from the names tree Changbin Du
2019-03-22 22:31   ` [tip:perf/urgent] perf maps: Purge all maps from the 'names' tree tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 12/16] perf: top: fix global-buffer-overflow issue Changbin Du
2019-03-22 22:31   ` [tip:perf/urgent] perf top: Fix " tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 13/16] perf: free all counts in perf_evsel__exit Changbin Du
2019-03-18 19:39   ` Arnaldo Carvalho de Melo
2019-03-16  8:05 ` [PATCH 14/16] perf: fix a memory leak of cpu_map object Changbin Du
2019-03-22 22:33   ` [tip:perf/urgent] perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 15/16] perf: fix memory leak by expr__find_other Changbin Du
2019-03-22 22:33   ` [tip:perf/urgent] perf tests: Fix memory leak by expr__find_other() in test__expr() tip-bot for Changbin Du
2019-03-16  8:05 ` [PATCH 16/16] perf: fix a memory leak in test__perf_evsel__tp_sched_test Changbin Du
2019-03-22 22:34   ` [tip:perf/urgent] perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test() tip-bot for Changbin Du
2019-03-18 10:08 ` [PATCH 00/16] fix some perf issues detected by ASan Jiri Olsa
2019-03-18 16:16   ` Arnaldo Carvalho de Melo

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