linux/tools
Ian Rogers 75d65c1cc4 perf tool x86: Fix perf_env memory leak
[ Upstream commit 99d4850062 ]

Found by leak sanitizer:
```
==1632594==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 21 byte(s) in 1 object(s) allocated from:
    #0 0x7f2953a7077b in __interceptor_strdup ../../../../src/libsanitizer/asan/asan_interceptors.cpp:439
    #1 0x556701d6fbbf in perf_env__read_cpuid util/env.c:369
    #2 0x556701d70589 in perf_env__cpuid util/env.c:465
    #3 0x55670204bba2 in x86__is_amd_cpu arch/x86/util/env.c:14
    #4 0x5567020487a2 in arch__post_evsel_config arch/x86/util/evsel.c:83
    #5 0x556701d8f78b in evsel__config util/evsel.c:1366
    #6 0x556701ef5872 in evlist__config util/record.c:108
    #7 0x556701cd6bcd in test__PERF_RECORD tests/perf-record.c:112
    #8 0x556701cacd07 in run_test tests/builtin-test.c:236
    #9 0x556701cacfac in test_and_print tests/builtin-test.c:265
    #10 0x556701cadddb in __cmd_test tests/builtin-test.c:402
    #11 0x556701caf2aa in cmd_test tests/builtin-test.c:559
    #12 0x556701d3b557 in run_builtin tools/perf/perf.c:323
    #13 0x556701d3bac8 in handle_internal_command tools/perf/perf.c:377
    #14 0x556701d3be90 in run_argv tools/perf/perf.c:421
    #15 0x556701d3c3f8 in main tools/perf/perf.c:537
    #16 0x7f2952a46189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: 21 byte(s) leaked in 1 allocation(s).
```

Fixes: f7b58cbdb3 ("perf mem/c2c: Add load store event mappings for AMD")
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Ravi Bangoria <ravi.bangoria@amd.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/r/20230613235416.1650755-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-07-19 16:21:38 +02:00
..
accounting
arch tools/x86/kcpuid: Fix avx512bw and avx512lvl fields in Fn00000007 2023-05-11 23:03:07 +09:00
bootconfig bootconfig: Fix testcase to increase max node 2023-03-30 12:49:07 +02:00
bpf bpftool: JIT limited misreported as negative value on aarch64 2023-07-19 16:21:05 +02:00
build perf bpf: Fix build with libbpf 0.7.0 by checking if bpf_program__set_insns() is available 2022-10-25 17:40:48 -03:00
certs
cgroup iocost_monitor: reorder BlkgIterator 2022-09-23 16:57:10 -10:00
counter
debugging tools: Add new "test" taint to kernel-chktaint 2022-09-07 14:51:12 -06:00
edid
firewire
firmware
gpio tools: gpio: fix debounce_period_us output of lsgpio 2023-06-21 16:00:52 +02:00
hv tools: hv: kvp: remove unnecessary (void*) conversions 2022-09-05 16:55:20 +00:00
iio tools/iio/iio_utils:fix memory leak 2023-03-11 13:55:35 +01:00
include tools headers UAPI: Sync the linux/in.h with the kernel sources 2023-06-05 09:26:22 +02:00
io_uring
kvm/kvm_stat tools/kvm_stat: update exit reasons for vmx/svm/aarch64/userspace 2022-11-09 12:26:52 -05:00
laptop
leds
lib libbpf: fix offsetof() and container_of() to work with CO-RE 2023-07-19 16:21:04 +02:00
memory-model tools/memory-model: Clarify LKMM's limitations in litmus-tests.txt 2022-08-31 05:15:31 -07:00
objtool Revert "objtool: Support addition to set CFA base" 2023-05-11 23:03:32 +09:00
pci
pcmcia
perf perf tool x86: Fix perf_env memory leak 2023-07-19 16:21:38 +02:00
power cpupower: Make TSC read per CPU for Mperf monitor 2023-05-24 17:32:43 +01:00
rcu
scripts
spi
testing selftests: rtnetlink: remove netdevsim device after ipsec offload test 2023-07-19 16:21:12 +02:00
thermal tools/thermal: Fix possible path truncations 2022-08-03 19:28:46 +02:00
time
tracing tools/tracing/rtla: osnoise_hist: use total duration for average calculation 2023-03-10 09:33:26 +01:00
usb
verification rv/dot2c: Make automaton definition static 2022-10-20 16:02:45 -04:00
virtio tools/virtio: fix the vringh test for virtio ring changes 2023-02-22 12:59:42 +01:00
vm tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used 2023-04-26 14:28:39 +02:00
wmi
Makefile