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perf config: Fix a memory leak in collect_config()
[ 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) 150balbes#1 0x560c8761034d in collect_config util/config.c:597 150balbes#2 0x560c8760d9cb in get_value util/config.c:169 150balbes#3 0x560c8760dfd7 in perf_parse_file util/config.c:285 150balbes#4 0x560c8760e0d2 in perf_config_from_file util/config.c:476 150balbes#5 0x560c876108fd in perf_config_set__init util/config.c:661 150balbes#6 0x560c87610c72 in perf_config_set__new util/config.c:709 150balbes#7 0x560c87610d2f in perf_config__init util/config.c:718 150balbes#8 0x560c87610e5d in perf_config util/config.c:730 150balbes#9 0x560c875ddea0 in main /home/changbin/work/linux/tools/perf/perf.c:442 150balbes#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: 20105ca ("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>
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