* [PATCH 0/4] perf: Fix memory errors
@ 2020-05-21 13:32 Wei Li
2020-05-21 13:32 ` [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events Wei Li
` (3 more replies)
0 siblings, 4 replies; 10+ messages in thread
From: Wei Li @ 2020-05-21 13:32 UTC (permalink / raw)
To: Alexander Shishkin, Arnaldo Carvalho de Melo, Jiri Olsa,
Mark Rutland, Namhyung Kim
Cc: linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
Fix several memory errors in perf tool.
Hongbo Yao (1):
perf metrictroup: Fix memory leak of metric_events
Li Bin (2):
perf svghelper: Fix memory leak in svg_build_topology_map
perf util: Fix potential segment fault in put_tracepoints_path
Xie XiuQi (1):
perf util: Fix memory leak of prefix_if_not_in
tools/perf/util/metricgroup.c | 3 +++
tools/perf/util/sort.c | 2 +-
tools/perf/util/svghelper.c | 10 +++++++---
tools/perf/util/trace-event-info.c | 2 +-
4 files changed, 12 insertions(+), 5 deletions(-)
--
2.17.1
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events
2020-05-21 13:32 [PATCH 0/4] perf: Fix memory errors Wei Li
@ 2020-05-21 13:32 ` Wei Li
2020-05-21 15:54 ` Arnaldo Carvalho de Melo
2020-05-21 13:32 ` [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map Wei Li
` (2 subsequent siblings)
3 siblings, 1 reply; 10+ messages in thread
From: Wei Li @ 2020-05-21 13:32 UTC (permalink / raw)
To: Alexander Shishkin, Arnaldo Carvalho de Melo, Jiri Olsa,
Mark Rutland, Namhyung Kim
Cc: linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
From: Hongbo Yao <yaohongbo@huawei.com>
Fix memory leak of metric_events in function metricgroup__setup_events()
Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
---
tools/perf/util/metricgroup.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 926449a7cdbf..69bf0f4d646e 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -184,6 +184,7 @@ static int metricgroup__setup_events(struct list_head *groups,
if (!evsel) {
pr_debug("Cannot resolve %s: %s\n",
eg->metric_name, eg->metric_expr);
+ free(metric_events);
continue;
}
for (i = 0; i < eg->idnum; i++)
@@ -191,11 +192,13 @@ static int metricgroup__setup_events(struct list_head *groups,
me = metricgroup__lookup(metric_events_list, evsel, true);
if (!me) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr = malloc(sizeof(struct metric_expr));
if (!expr) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr->metric_expr = eg->metric_expr;
--
2.17.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map
2020-05-21 13:32 [PATCH 0/4] perf: Fix memory errors Wei Li
2020-05-21 13:32 ` [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events Wei Li
@ 2020-05-21 13:32 ` Wei Li
2020-05-21 14:15 ` Arnaldo Carvalho de Melo
2020-05-21 13:32 ` [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in Wei Li
2020-05-21 13:32 ` [PATCH 4/4] perf util: Fix potential segment fault in put_tracepoints_path Wei Li
3 siblings, 1 reply; 10+ messages in thread
From: Wei Li @ 2020-05-21 13:32 UTC (permalink / raw)
To: Alexander Shishkin, Arnaldo Carvalho de Melo, Jiri Olsa,
Mark Rutland, Namhyung Kim
Cc: linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
From: Li Bin <huawei.libin@huawei.com>
Fix leak of memory pointed to by t.sib_thr and t.sib_core in
svg_build_topology_map.
Signed-off-by: Li Bin <huawei.libin@huawei.com>
---
tools/perf/util/svghelper.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 96f941e01681..e2b3b0e2fafe 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -754,6 +754,7 @@ int svg_build_topology_map(struct perf_env *env)
int i, nr_cpus;
struct topology t;
char *sib_core, *sib_thr;
+ int ret;
nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
@@ -767,12 +768,14 @@ int svg_build_topology_map(struct perf_env *env)
if (!t.sib_core || !t.sib_thr) {
fprintf(stderr, "topology: no memory\n");
+ ret = -1;
goto exit;
}
for (i = 0; i < env->nr_sibling_cores; i++) {
if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
fprintf(stderr, "topology: can't parse siblings map\n");
+ ret = -1;
goto exit;
}
@@ -782,6 +785,7 @@ int svg_build_topology_map(struct perf_env *env)
for (i = 0; i < env->nr_sibling_threads; i++) {
if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
fprintf(stderr, "topology: can't parse siblings map\n");
+ ret = -1;
goto exit;
}
@@ -791,6 +795,7 @@ int svg_build_topology_map(struct perf_env *env)
topology_map = malloc(sizeof(int) * nr_cpus);
if (!topology_map) {
fprintf(stderr, "topology: no memory\n");
+ ret = -1;
goto exit;
}
@@ -798,12 +803,11 @@ int svg_build_topology_map(struct perf_env *env)
topology_map[i] = -1;
scan_core_topology(topology_map, &t, nr_cpus);
-
- return 0;
+ ret = 0;
exit:
zfree(&t.sib_core);
zfree(&t.sib_thr);
- return -1;
+ return ret;
}
--
2.17.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in
2020-05-21 13:32 [PATCH 0/4] perf: Fix memory errors Wei Li
2020-05-21 13:32 ` [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events Wei Li
2020-05-21 13:32 ` [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map Wei Li
@ 2020-05-21 13:32 ` Wei Li
2020-05-21 14:39 ` Arnaldo Carvalho de Melo
2020-05-21 13:32 ` [PATCH 4/4] perf util: Fix potential segment fault in put_tracepoints_path Wei Li
3 siblings, 1 reply; 10+ messages in thread
From: Wei Li @ 2020-05-21 13:32 UTC (permalink / raw)
To: Alexander Shishkin, Arnaldo Carvalho de Melo, Jiri Olsa,
Mark Rutland, Namhyung Kim
Cc: linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
From: Xie XiuQi <xiexiuqi@huawei.com>
Need to free "str" before return when asprintf() failed
to avoid memory leak.
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
---
tools/perf/util/sort.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index f14cc728c358..8ed777565c82 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2811,7 +2811,7 @@ static char *prefix_if_not_in(const char *pre, char *str)
return str;
if (asprintf(&n, "%s,%s", pre, str) < 0)
- return NULL;
+ n = NULL;
free(str);
return n;
--
2.17.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 4/4] perf util: Fix potential segment fault in put_tracepoints_path
2020-05-21 13:32 [PATCH 0/4] perf: Fix memory errors Wei Li
` (2 preceding siblings ...)
2020-05-21 13:32 ` [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in Wei Li
@ 2020-05-21 13:32 ` Wei Li
3 siblings, 0 replies; 10+ messages in thread
From: Wei Li @ 2020-05-21 13:32 UTC (permalink / raw)
To: Alexander Shishkin, Arnaldo Carvalho de Melo, Jiri Olsa,
Mark Rutland, Namhyung Kim
Cc: linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
From: Li Bin <huawei.libin@huawei.com>
This patch fix potential segment fault triggerd in put_tracepoints_path
when the address of the local variable 'path' be freed in error path
of record_saved_cmdline.
Signed-off-by: Li Bin <huawei.libin@huawei.com>
---
tools/perf/util/trace-event-info.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 086e98ff42a3..0e5c4786f296 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -428,7 +428,7 @@ get_tracepoints_path(struct list_head *pattrs)
if (!ppath->next) {
error:
pr_debug("No memory to alloc tracepoints list\n");
- put_tracepoints_path(&path);
+ put_tracepoints_path(path.next);
return NULL;
}
next:
--
2.17.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map
2020-05-21 13:32 ` [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map Wei Li
@ 2020-05-21 14:15 ` Arnaldo Carvalho de Melo
2020-06-03 3:03 ` LiBin (Huawei)
0 siblings, 1 reply; 10+ messages in thread
From: Arnaldo Carvalho de Melo @ 2020-05-21 14:15 UTC (permalink / raw)
To: Wei Li
Cc: Alexander Shishkin, Jiri Olsa, Mark Rutland, Namhyung Kim,
linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
Em Thu, May 21, 2020 at 09:32:16PM +0800, Wei Li escreveu:
> From: Li Bin <huawei.libin@huawei.com>
>
> Fix leak of memory pointed to by t.sib_thr and t.sib_core in
> svg_build_topology_map.
>
> Signed-off-by: Li Bin <huawei.libin@huawei.com>
> ---
> tools/perf/util/svghelper.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
> index 96f941e01681..e2b3b0e2fafe 100644
> --- a/tools/perf/util/svghelper.c
> +++ b/tools/perf/util/svghelper.c
> @@ -754,6 +754,7 @@ int svg_build_topology_map(struct perf_env *env)
> int i, nr_cpus;
> struct topology t;
> char *sib_core, *sib_thr;
> + int ret;
Please set ret to -1 here
int ret = -1;
So that you don't have to add all those lines below...
>
> nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
>
> @@ -767,12 +768,14 @@ int svg_build_topology_map(struct perf_env *env)
>
> if (!t.sib_core || !t.sib_thr) {
> fprintf(stderr, "topology: no memory\n");
> + ret = -1;
> goto exit;
> }
>
> for (i = 0; i < env->nr_sibling_cores; i++) {
> if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
> fprintf(stderr, "topology: can't parse siblings map\n");
> + ret = -1;
> goto exit;
> }
>
> @@ -782,6 +785,7 @@ int svg_build_topology_map(struct perf_env *env)
> for (i = 0; i < env->nr_sibling_threads; i++) {
> if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
> fprintf(stderr, "topology: can't parse siblings map\n");
> + ret = -1;
> goto exit;
> }
>
> @@ -791,6 +795,7 @@ int svg_build_topology_map(struct perf_env *env)
> topology_map = malloc(sizeof(int) * nr_cpus);
> if (!topology_map) {
> fprintf(stderr, "topology: no memory\n");
> + ret = -1;
> goto exit;
> }
>
> @@ -798,12 +803,11 @@ int svg_build_topology_map(struct perf_env *env)
> topology_map[i] = -1;
>
> scan_core_topology(topology_map, &t, nr_cpus);
> -
> - return 0;
... as you'll set it to zero here :-)
> + ret = 0;
>
> exit:
> zfree(&t.sib_core);
> zfree(&t.sib_thr);
>
> - return -1;
> + return ret;
> }
> --
> 2.17.1
>
--
- Arnaldo
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in
2020-05-21 13:32 ` [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in Wei Li
@ 2020-05-21 14:39 ` Arnaldo Carvalho de Melo
0 siblings, 0 replies; 10+ messages in thread
From: Arnaldo Carvalho de Melo @ 2020-05-21 14:39 UTC (permalink / raw)
To: Wei Li
Cc: Alexander Shishkin, Jiri Olsa, Mark Rutland, Namhyung Kim,
linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
Em Thu, May 21, 2020 at 09:32:17PM +0800, Wei Li escreveu:
> From: Xie XiuQi <xiexiuqi@huawei.com>
>
> Need to free "str" before return when asprintf() failed
> to avoid memory leak.
Thanks, applied.
- Arnaldo
> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
> ---
> tools/perf/util/sort.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
> index f14cc728c358..8ed777565c82 100644
> --- a/tools/perf/util/sort.c
> +++ b/tools/perf/util/sort.c
> @@ -2811,7 +2811,7 @@ static char *prefix_if_not_in(const char *pre, char *str)
> return str;
>
> if (asprintf(&n, "%s,%s", pre, str) < 0)
> - return NULL;
> + n = NULL;
>
> free(str);
> return n;
> --
> 2.17.1
>
--
- Arnaldo
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events
2020-05-21 13:32 ` [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events Wei Li
@ 2020-05-21 15:54 ` Arnaldo Carvalho de Melo
2020-05-21 16:10 ` Ian Rogers
0 siblings, 1 reply; 10+ messages in thread
From: Arnaldo Carvalho de Melo @ 2020-05-21 15:54 UTC (permalink / raw)
To: Wei Li, Ian Rogers
Cc: Alexander Shishkin, Jiri Olsa, Mark Rutland, Namhyung Kim,
linux-kernel, Li Bin, Xie XiuQi, Hongbo Yao
Em Thu, May 21, 2020 at 09:32:15PM +0800, Wei Li escreveu:
> From: Hongbo Yao <yaohongbo@huawei.com>
>
> Fix memory leak of metric_events in function metricgroup__setup_events()
The leak is there but this code has changed a lot recently, please take
a look at my perf/core branch and keep Ian Rogers in the loop,
- Arnaldo
> Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
> ---
> tools/perf/util/metricgroup.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index 926449a7cdbf..69bf0f4d646e 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -184,6 +184,7 @@ static int metricgroup__setup_events(struct list_head *groups,
> if (!evsel) {
> pr_debug("Cannot resolve %s: %s\n",
> eg->metric_name, eg->metric_expr);
> + free(metric_events);
> continue;
> }
> for (i = 0; i < eg->idnum; i++)
> @@ -191,11 +192,13 @@ static int metricgroup__setup_events(struct list_head *groups,
> me = metricgroup__lookup(metric_events_list, evsel, true);
> if (!me) {
> ret = -ENOMEM;
> + free(metric_events);
> break;
> }
> expr = malloc(sizeof(struct metric_expr));
> if (!expr) {
> ret = -ENOMEM;
> + free(metric_events);
> break;
> }
> expr->metric_expr = eg->metric_expr;
> --
> 2.17.1
>
--
- Arnaldo
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events
2020-05-21 15:54 ` Arnaldo Carvalho de Melo
@ 2020-05-21 16:10 ` Ian Rogers
0 siblings, 0 replies; 10+ messages in thread
From: Ian Rogers @ 2020-05-21 16:10 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo
Cc: Wei Li, Alexander Shishkin, Jiri Olsa, Mark Rutland,
Namhyung Kim, LKML, Li Bin, Xie XiuQi, Hongbo Yao
On Thu, May 21, 2020 at 8:54 AM Arnaldo Carvalho de Melo
<acme@kernel.org> wrote:
>
> Em Thu, May 21, 2020 at 09:32:15PM +0800, Wei Li escreveu:
> > From: Hongbo Yao <yaohongbo@huawei.com>
> >
> > Fix memory leak of metric_events in function metricgroup__setup_events()
>
> The leak is there but this code has changed a lot recently, please take
> a look at my perf/core branch and keep Ian Rogers in the loop,
>
> - Arnaldo
Thanks, I'd posted the same change here:
https://lore.kernel.org/lkml/20200508053629.210324-10-irogers@google.com/
but it looks like it was mislaid. Arnaldo, I can re-post that patch or
Acked-by this patch. I'm easy either way.
Thanks,
Ian
> > Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
> > ---
> > tools/perf/util/metricgroup.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> > index 926449a7cdbf..69bf0f4d646e 100644
> > --- a/tools/perf/util/metricgroup.c
> > +++ b/tools/perf/util/metricgroup.c
> > @@ -184,6 +184,7 @@ static int metricgroup__setup_events(struct list_head *groups,
> > if (!evsel) {
> > pr_debug("Cannot resolve %s: %s\n",
> > eg->metric_name, eg->metric_expr);
> > + free(metric_events);
> > continue;
> > }
> > for (i = 0; i < eg->idnum; i++)
> > @@ -191,11 +192,13 @@ static int metricgroup__setup_events(struct list_head *groups,
> > me = metricgroup__lookup(metric_events_list, evsel, true);
> > if (!me) {
> > ret = -ENOMEM;
> > + free(metric_events);
> > break;
> > }
> > expr = malloc(sizeof(struct metric_expr));
> > if (!expr) {
> > ret = -ENOMEM;
> > + free(metric_events);
> > break;
> > }
> > expr->metric_expr = eg->metric_expr;
> > --
> > 2.17.1
> >
>
> --
>
> - Arnaldo
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map
2020-05-21 14:15 ` Arnaldo Carvalho de Melo
@ 2020-06-03 3:03 ` LiBin (Huawei)
0 siblings, 0 replies; 10+ messages in thread
From: LiBin (Huawei) @ 2020-06-03 3:03 UTC (permalink / raw)
To: Arnaldo Carvalho de Melo, Wei Li
Cc: Alexander Shishkin, Jiri Olsa, Mark Rutland, Namhyung Kim,
linux-kernel, Xie XiuQi, Hongbo Yao
在 2020/5/21 22:15, Arnaldo Carvalho de Melo 写道:
> Em Thu, May 21, 2020 at 09:32:16PM +0800, Wei Li escreveu:
>> From: Li Bin <huawei.libin@huawei.com>
>>
>> Fix leak of memory pointed to by t.sib_thr and t.sib_core in
>> svg_build_topology_map.
>>
>> Signed-off-by: Li Bin <huawei.libin@huawei.com>
>> ---
>> tools/perf/util/svghelper.c | 10 +++++++---
>> 1 file changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
>> index 96f941e01681..e2b3b0e2fafe 100644
>> --- a/tools/perf/util/svghelper.c
>> +++ b/tools/perf/util/svghelper.c
>> @@ -754,6 +754,7 @@ int svg_build_topology_map(struct perf_env *env)
>> int i, nr_cpus;
>> struct topology t;
>> char *sib_core, *sib_thr;
>> + int ret;
> Please set ret to -1 here
>
> int ret = -1;
>
> So that you don't have to add all those lines below...
>
>>
>> nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
>>
>> @@ -767,12 +768,14 @@ int svg_build_topology_map(struct perf_env *env)
>>
>> if (!t.sib_core || !t.sib_thr) {
>> fprintf(stderr, "topology: no memory\n");
>> + ret = -1;
>> goto exit;
>> }
>>
>> for (i = 0; i < env->nr_sibling_cores; i++) {
>> if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
>> fprintf(stderr, "topology: can't parse siblings map\n");
>> + ret = -1;
>> goto exit;
>> }
>>
>> @@ -782,6 +785,7 @@ int svg_build_topology_map(struct perf_env *env)
>> for (i = 0; i < env->nr_sibling_threads; i++) {
>> if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
>> fprintf(stderr, "topology: can't parse siblings map\n");
>> + ret = -1;
>> goto exit;
>> }
>>
>> @@ -791,6 +795,7 @@ int svg_build_topology_map(struct perf_env *env)
>> topology_map = malloc(sizeof(int) * nr_cpus);
>> if (!topology_map) {
>> fprintf(stderr, "topology: no memory\n");
>> + ret = -1;
>> goto exit;
>> }
>>
>> @@ -798,12 +803,11 @@ int svg_build_topology_map(struct perf_env *env)
>> topology_map[i] = -1;
>>
>> scan_core_topology(topology_map, &t, nr_cpus);
>> -
>> - return 0;
> ... as you'll set it to zero here :-)
Thank you for your comments. I will fix it.
Thanks,
Li Bin
>> + ret = 0;
>>
>> exit:
>> zfree(&t.sib_core);
>> zfree(&t.sib_thr);
>>
>> - return -1;
>> + return ret;
>> }
>> --
>> 2.17.1
>>
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2020-06-03 3:03 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-05-21 13:32 [PATCH 0/4] perf: Fix memory errors Wei Li
2020-05-21 13:32 ` [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events Wei Li
2020-05-21 15:54 ` Arnaldo Carvalho de Melo
2020-05-21 16:10 ` Ian Rogers
2020-05-21 13:32 ` [PATCH 2/4] perf svghelper: Fix memory leak in svg_build_topology_map Wei Li
2020-05-21 14:15 ` Arnaldo Carvalho de Melo
2020-06-03 3:03 ` LiBin (Huawei)
2020-05-21 13:32 ` [PATCH 3/4] perf util: Fix memory leak of prefix_if_not_in Wei Li
2020-05-21 14:39 ` Arnaldo Carvalho de Melo
2020-05-21 13:32 ` [PATCH 4/4] perf util: Fix potential segment fault in put_tracepoints_path Wei Li
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