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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Changbin Du <changbin.du@gmail.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Taeung Song <treeze.taeung@gmail.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.9 14/27] perf config: Fix a memory leak in collect_config()
Date: Fri, 29 Mar 2019 20:55:40 -0400	[thread overview]
Message-ID: <20190330005555.28087-14-sashal@kernel.org> (raw)
In-Reply-To: <20190330005555.28087-1-sashal@kernel.org>

From: Changbin Du <changbin.du@gmail.com>

[ Upstream commit 54569ba4b06d5baedae4614bde33a25a191473ba ]

Detected with gcc's ASan:

  Direct leak of 66 byte(s) in 5 object(s) allocated from:
      #0 0x7ff3b1f32070 in __interceptor_strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3b070)
      #1 0x560c8761034d in collect_config util/config.c:597
      #2 0x560c8760d9cb in get_value util/config.c:169
      #3 0x560c8760dfd7 in perf_parse_file util/config.c:285
      #4 0x560c8760e0d2 in perf_config_from_file util/config.c:476
      #5 0x560c876108fd in perf_config_set__init util/config.c:661
      #6 0x560c87610c72 in perf_config_set__new util/config.c:709
      #7 0x560c87610d2f in perf_config__init util/config.c:718
      #8 0x560c87610e5d in perf_config util/config.c:730
      #9 0x560c875ddea0 in main /home/changbin/work/linux/tools/perf/perf.c:442
      #10 0x7ff3afb8609a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a)

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: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Taeung Song <treeze.taeung@gmail.com>
Fixes: 20105ca1240c ("perf config: Introduce perf_config_set class")
Link: http://lkml.kernel.org/r/20190316080556.3075-6-changbin.du@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/perf/util/config.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 18dae745034f..1d66f8eab9f9 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -595,11 +595,10 @@ static int collect_config(const char *var, const char *value,
 	}
 
 	ret = set_value(item, value);
-	return ret;
 
 out_free:
 	free(key);
-	return -1;
+	return ret;
 }
 
 static int perf_config_set__init(struct perf_config_set *set)
-- 
2.19.1


  parent reply	other threads:[~2019-03-30  0:56 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-30  0:55 [PATCH AUTOSEL 4.9 01/27] ARC: u-boot args: check that magic number is correct Sasha Levin
2019-03-30  0:55 ` Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 02/27] perf/core: Restore mmap record type correctly Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 03/27] ext4: add missing brelse() in add_new_gdb_meta_bg() Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 04/27] ext4: report real fs size after failed resize Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 05/27] ALSA: echoaudio: add a check for ioremap_nocache Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 06/27] ALSA: sb8: add a check for request_region Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 07/27] IB/mlx4: Fix race condition between catas error reset and aliasguid flows Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 08/27] mmc: davinci: remove extraneous __init annotation Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 09/27] ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and declaration Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 10/27] thermal/int340x_thermal: Add additional UUIDs Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 11/27] thermal/int340x_thermal: fix mode setting Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 12/27] tools/power turbostat: return the exit status of a command Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 13/27] perf config: Fix an error in the config template documentation Sasha Levin
2019-03-30  0:55 ` Sasha Levin [this message]
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 15/27] perf build-id: Fix memory leak in print_sdt_events() Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 16/27] perf top: Fix error handling in cmd_top() Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 17/27] perf hist: Add missing map__put() in error case Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 18/27] perf evsel: Free evsel->counts in perf_evsel__exit() Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 19/27] perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 20/27] perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test() Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 21/27] irqchip/mbigen: Don't clear eventid when freeing an MSI Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 22/27] x86/hpet: Prevent potential NULL pointer dereference Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 23/27] x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 24/27] iommu/vt-d: Check capability before disabling protected memory Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 25/27] x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 26/27] fix incorrect error code mapping for OBJECTID_NOT_FOUND Sasha Levin
2019-03-30  0:55 ` [PATCH AUTOSEL 4.9 27/27] ext4: prohibit fstrim in norecovery mode Sasha Levin

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