[PATCH 49/49] perf tools: Use zfree to help detect use after free bugs

From: Arnaldo Carvalho de Melo
Date: Fri Dec 27 2013 - 15:48:36 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Several areas already used this technique, so do some audit to
consistently use it elsewhere.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-9sbere0kkplwe45ak6rk4a1f@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-diff.c | 2 +-
tools/perf/builtin-sched.c | 2 +-
tools/perf/builtin-script.c | 6 +++---
tools/perf/ui/browsers/hists.c | 2 +-
tools/perf/ui/stdio/hist.c | 2 +-
tools/perf/util/annotate.c | 20 ++++++++++----------
tools/perf/util/cgroup.c | 2 +-
tools/perf/util/comm.c | 2 +-
tools/perf/util/evsel.c | 8 ++++----
tools/perf/util/header.c | 10 +++++-----
tools/perf/util/help.c | 4 ++--
tools/perf/util/hist.c | 6 +++---
tools/perf/util/parse-events.c | 8 ++++----
tools/perf/util/pmu.c | 2 +-
tools/perf/util/probe-event.c | 8 ++++----
tools/perf/util/probe-finder.c | 2 +-
tools/perf/util/session.c | 24 ++++++++++++------------
tools/perf/util/srcline.c | 6 +++---
tools/perf/util/strbuf.c | 2 +-
tools/perf/util/strfilter.c | 2 +-
tools/perf/util/string.c | 2 +-
tools/perf/util/strlist.c | 3 ++-
tools/perf/util/svghelper.c | 5 +++--
tools/perf/util/symbol-elf.c | 2 +-
tools/perf/util/symbol-minimal.c | 3 ++-
tools/perf/util/symbol.c | 2 +-
tools/perf/util/thread_map.c | 10 +++++-----
tools/perf/util/trace-event-info.c | 4 ++--
tools/perf/util/values.c | 14 +++++++-------
29 files changed, 84 insertions(+), 81 deletions(-)

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 2a85cc9a2d09..e6a0844bc2f0 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -654,7 +654,7 @@ static void data__free(struct data__file *d)
for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) {
struct diff_hpp_fmt *fmt = &d->fmt[col];

- free(fmt->header);
+ zfree(&fmt->header);
}
}

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 0f3c65518a2c..6a76a07b6789 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -469,7 +469,7 @@ static void *thread_func(void *ctx)
char comm2[22];
int fd;

- free(parms);
+ zfree(&parms);

sprintf(comm2, ":%s", this_task->comm);
prctl(PR_SET_NAME, comm2);
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 62ef190c4320..6040000bdfa6 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1102,9 +1102,9 @@ static struct script_desc *script_desc__new(const char *name)

static void script_desc__delete(struct script_desc *s)
{
- free(s->name);
- free(s->half_liner);
- free(s->args);
+ zfree(&s->name);
+ zfree(&s->half_liner);
+ zfree(&s->args);
free(s);
}

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 022d1731b801..a7045ea6d1d5 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -1327,7 +1327,7 @@ static int switch_data_file(void)

abs_path[nr_options] = strdup(path);
if (!abs_path[nr_options]) {
- free(options[nr_options]);
+ zfree(&options[nr_options]);
ui__warning("Can't search all data files due to memory shortage.\n");
fclose(file);
break;
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index c244cb524ef2..831fbb77d1ff 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -510,7 +510,7 @@ print_entries:

free(line);
out:
- free(rem_sq_bracket);
+ zfree(&rem_sq_bracket);

return ret;
}
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index a78721d14694..469eb679fb9d 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -26,10 +26,10 @@ static int disasm_line__parse(char *line, char **namep, char **rawp);

static void ins__delete(struct ins_operands *ops)
{
- free(ops->source.raw);
- free(ops->source.name);
- free(ops->target.raw);
- free(ops->target.name);
+ zfree(&ops->source.raw);
+ zfree(&ops->source.name);
+ zfree(&ops->target.raw);
+ zfree(&ops->target.name);
}

static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
@@ -204,9 +204,9 @@ static int lock__scnprintf(struct ins *ins, char *bf, size_t size,

static void lock__delete(struct ins_operands *ops)
{
- free(ops->locked.ops);
- free(ops->target.raw);
- free(ops->target.name);
+ zfree(&ops->locked.ops);
+ zfree(&ops->target.raw);
+ zfree(&ops->target.name);
}

static struct ins_ops lock_ops = {
@@ -583,7 +583,7 @@ static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privs
return dl;

out_free_line:
- free(dl->line);
+ zfree(&dl->line);
out_delete:
free(dl);
return NULL;
@@ -591,8 +591,8 @@ out_delete:

void disasm_line__free(struct disasm_line *dl)
{
- free(dl->line);
- free(dl->name);
+ zfree(&dl->line);
+ zfree(&dl->name);
if (dl->ins && dl->ins->ops->free)
dl->ins->ops->free(&dl->ops);
else
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 96bbda1ddb83..0922aa4218c2 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -133,7 +133,7 @@ void close_cgroup(struct cgroup_sel *cgrp)
/* XXX: not reentrant */
if (--cgrp->refcnt == 0) {
close(cgrp->fd);
- free(cgrp->name);
+ zfree(&cgrp->name);
free(cgrp);
}
}
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index ee0df0e24cdb..67d1e404c0cb 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -21,7 +21,7 @@ static void comm_str__put(struct comm_str *cs)
{
if (!--cs->ref) {
rb_erase(&cs->rb_node, &comm_str_root);
- free(cs->str);
+ zfree(&cs->str);
free(cs);
}
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 93b6031d5459..ade8d9c1c431 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -208,7 +208,7 @@ struct perf_evsel *perf_evsel__newtp_idx(const char *sys, const char *name, int
return evsel;

out_free:
- free(evsel->name);
+ zfree(&evsel->name);
free(evsel);
return NULL;
}
@@ -766,7 +766,7 @@ void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads)

void perf_evsel__free_counts(struct perf_evsel *evsel)
{
- free(evsel->counts);
+ zfree(&evsel->counts);
}

void perf_evsel__exit(struct perf_evsel *evsel)
@@ -780,10 +780,10 @@ void perf_evsel__delete(struct perf_evsel *evsel)
{
perf_evsel__exit(evsel);
close_cgroup(evsel->cgrp);
- free(evsel->group_name);
+ zfree(&evsel->group_name);
if (evsel->tp_format)
pevent_free_format(evsel->tp_format);
- free(evsel->name);
+ zfree(&evsel->name);
free(evsel);
}

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 20f3a9c97bd8..a4a60b7887ee 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -800,10 +800,10 @@ static void free_cpu_topo(struct cpu_topo *tp)
return;

for (i = 0 ; i < tp->core_sib; i++)
- free(tp->core_siblings[i]);
+ zfree(&tp->core_siblings[i]);

for (i = 0 ; i < tp->thread_sib; i++)
- free(tp->thread_siblings[i]);
+ zfree(&tp->thread_siblings[i]);

free(tp);
}
@@ -1232,8 +1232,8 @@ static void free_event_desc(struct perf_evsel *events)
return;

for (evsel = events; evsel->attr.size; evsel++) {
- free(evsel->name);
- free(evsel->id);
+ zfree(&evsel->name);
+ zfree(&evsel->id);
}

free(events);
@@ -2105,7 +2105,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused,
ret = 0;
out_free:
for (i = 0; i < nr_groups; i++)
- free(desc[i].name);
+ zfree(&desc[i].name);
free(desc);

return ret;
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c
index 7b68978e50d2..86c37c472263 100644
--- a/tools/perf/util/help.c
+++ b/tools/perf/util/help.c
@@ -22,8 +22,8 @@ static void clean_cmdnames(struct cmdnames *cmds)
unsigned int i;

for (i = 0; i < cmds->cnt; ++i)
- free(cmds->names[i]);
- free(cmds->names);
+ zfree(&cmds->names[i]);
+ zfree(&cmds->names);
cmds->cnt = 0;
cmds->alloc = 0;
}
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 6cd4823a7a8b..4ed3e883240d 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -372,7 +372,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
* This mem info was allocated from machine__resolve_mem
* and will not be used anymore.
*/
- free(entry->mem_info);
+ zfree(&entry->mem_info);

/* If the map of an existing hist_entry has
* become out-of-date due to an exec() or
@@ -475,8 +475,8 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)

void hist_entry__free(struct hist_entry *he)
{
- free(he->branch_info);
- free(he->mem_info);
+ zfree(&he->branch_info);
+ zfree(&he->mem_info);
free_srcline(he->srcline);
free(he);
}
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 094c28ba2fae..0153435b8427 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -204,7 +204,7 @@ struct tracepoint_path *tracepoint_id_to_path(u64 config)
}
path->name = malloc(MAX_EVENT_LENGTH);
if (!path->name) {
- free(path->system);
+ zfree(&path->system);
free(path);
return NULL;
}
@@ -236,8 +236,8 @@ struct tracepoint_path *tracepoint_name_to_path(const char *name)
path->name = strdup(str+1);

if (path->system == NULL || path->name == NULL) {
- free(path->system);
- free(path->name);
+ zfree(&path->system);
+ zfree(&path->name);
free(path);
path = NULL;
}
@@ -917,7 +917,7 @@ int parse_events_terms(struct list_head *terms, const char *str)
ret = parse_events__scanner(str, &data, PE_START_TERMS);
if (!ret) {
list_splice(data.terms, terms);
- free(data.terms);
+ zfree(&data.terms);
return 0;
}

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 56fc10a5e288..0934d645ebdc 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -755,7 +755,7 @@ void print_pmu_events(const char *event_glob, bool name_only)
continue;
}
printf(" %-50s [Kernel PMU event]\n", aliases[j]);
- free(aliases[j]);
+ zfree(&aliases[j]);
printed++;
}
if (printed)
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 4d3cd1a0278a..86ed8580c3cb 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -356,7 +356,7 @@ static int add_exec_to_probe_trace_events(struct probe_trace_event *tevs,
offset = tevs[i].point.address - stext;
offset += tevs[i].point.offset;
tevs[i].point.offset = 0;
- free(tevs[i].point.symbol);
+ zfree(&tevs[i].point.symbol);
ret = e_snprintf(buf, 32, "0x%lx", offset);
if (ret < 0)
break;
@@ -683,7 +683,7 @@ static int show_available_vars_at(struct debuginfo *dinfo,
*/
fprintf(stdout, "\t@<%s+%lu>\n", vl->point.symbol,
vl->point.offset);
- free(vl->point.symbol);
+ zfree(&vl->point.symbol);
nvars = 0;
if (vl->vars) {
strlist__for_each(node, vl->vars) {
@@ -1592,7 +1592,7 @@ void clear_perf_probe_event(struct perf_probe_event *pev)
field = pev->args[i].field;
while (field) {
next = field->next;
- free(field->name);
+ zfree(&field->name);
free(field);
field = next;
}
@@ -2153,7 +2153,7 @@ end:
for (i = 0; i < npevs; i++) {
for (j = 0; j < pkgs[i].ntevs; j++)
clear_probe_trace_event(&pkgs[i].tevs[j]);
- free(pkgs[i].tevs);
+ zfree(&pkgs[i].tevs);
}
free(pkgs);

diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 6d8796e38d7f..061edb162b5b 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -1409,7 +1409,7 @@ int debuginfo__find_available_vars_at(struct debuginfo *dbg,
if (ret < 0) {
/* Free vlist for error */
while (af.nvls--) {
- free(af.vls[af.nvls].point.symbol);
+ zfree(&af.vls[af.nvls].point.symbol);
strlist__delete(af.vls[af.nvls].vars);
}
zfree(vls);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index d3a857be9682..8ffe29c55d0f 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -132,18 +132,18 @@ static void perf_session__delete_threads(struct perf_session *session)

static void perf_session_env__delete(struct perf_session_env *env)
{
- free(env->hostname);
- free(env->os_release);
- free(env->version);
- free(env->arch);
- free(env->cpu_desc);
- free(env->cpuid);
-
- free(env->cmdline);
- free(env->sibling_cores);
- free(env->sibling_threads);
- free(env->numa_nodes);
- free(env->pmu_mappings);
+ zfree(&env->hostname);
+ zfree(&env->os_release);
+ zfree(&env->version);
+ zfree(&env->arch);
+ zfree(&env->cpu_desc);
+ zfree(&env->cpuid);
+
+ zfree(&env->cmdline);
+ zfree(&env->sibling_cores);
+ zfree(&env->sibling_threads);
+ zfree(&env->numa_nodes);
+ zfree(&env->pmu_mappings);
}

void perf_session__delete(struct perf_session *session)
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 58b2bd8f38c9..7e67879ebd25 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -129,7 +129,7 @@ static struct a2l_data *addr2line_init(const char *path)

out:
if (a2l) {
- free((void *)a2l->input);
+ zfree((void **)&a2l->input);
free(a2l);
}
bfd_close(abfd);
@@ -140,8 +140,8 @@ static void addr2line_cleanup(struct a2l_data *a2l)
{
if (a2l->abfd)
bfd_close(a2l->abfd);
- free((void *)a2l->input);
- free(a2l->syms);
+ zfree((void **)&a2l->input);
+ zfree(&a2l->syms);
free(a2l);
}

diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c
index cfa906882e2c..4abe23550c73 100644
--- a/tools/perf/util/strbuf.c
+++ b/tools/perf/util/strbuf.c
@@ -28,7 +28,7 @@ void strbuf_init(struct strbuf *sb, ssize_t hint)
void strbuf_release(struct strbuf *sb)
{
if (sb->alloc) {
- free(sb->buf);
+ zfree(&sb->buf);
strbuf_init(sb, 0);
}
}
diff --git a/tools/perf/util/strfilter.c b/tools/perf/util/strfilter.c
index 3edd0538161f..79a757a2a15c 100644
--- a/tools/perf/util/strfilter.c
+++ b/tools/perf/util/strfilter.c
@@ -14,7 +14,7 @@ static void strfilter_node__delete(struct strfilter_node *node)
{
if (node) {
if (node->p && !is_operator(*node->p))
- free((char *)node->p);
+ zfree((char **)&node->p);
strfilter_node__delete(node->l);
strfilter_node__delete(node->r);
free(node);
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index f0b0c008c507..2553e5b55b89 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -128,7 +128,7 @@ void argv_free(char **argv)
{
char **p;
for (p = argv; *p; p++)
- free(*p);
+ zfree(p);

free(argv);
}
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index eabdce0a2daa..61a90bf24b4d 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -5,6 +5,7 @@
*/

#include "strlist.h"
+#include "util.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
@@ -38,7 +39,7 @@ out_delete:
static void str_node__delete(struct str_node *snode, bool dupstr)
{
if (dupstr)
- free((void *)snode->s);
+ zfree((void **)&snode->s);
free(snode);
}

diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 56a84f2cc46d..43262b83c541 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -21,6 +21,7 @@

#include "perf.h"
#include "svghelper.h"
+#include "util.h"
#include "cpumap.h"

static u64 first_time, last_time;
@@ -708,8 +709,8 @@ int svg_build_topology_map(char *sib_core, int sib_core_nr,
return 0;

exit:
- free(t.sib_core);
- free(t.sib_thr);
+ zfree(&t.sib_core);
+ zfree(&t.sib_thr);

return -1;
}
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index bf0ce29567b6..4b0a127a4d3b 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -554,7 +554,7 @@ bool symsrc__has_symtab(struct symsrc *ss)

void symsrc__destroy(struct symsrc *ss)
{
- free(ss->name);
+ zfree(&ss->name);
elf_end(ss->elf);
close(ss->fd);
}
diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c
index ac7070a2f2b6..bd15f490d04f 100644
--- a/tools/perf/util/symbol-minimal.c
+++ b/tools/perf/util/symbol-minimal.c
@@ -1,4 +1,5 @@
#include "symbol.h"
+#include "util.h"

#include <stdio.h>
#include <fcntl.h>
@@ -275,7 +276,7 @@ bool symsrc__has_symtab(struct symsrc *ss __maybe_unused)

void symsrc__destroy(struct symsrc *ss)
{
- free(ss->name);
+ zfree(&ss->name);
close(ss->fd);
}

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index fd9e1a4fad16..39ce9adbaaf0 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -796,7 +796,7 @@ static void delete_modules(struct rb_root *modules)
mi = rb_entry(next, struct module_info, rb_node);
next = rb_next(&mi->rb_node);
rb_erase(&mi->rb_node, modules);
- free(mi->name);
+ zfree(&mi->name);
free(mi);
}
}
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index cf44644a4058..5d3215912105 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -41,7 +41,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid)
}

for (i=0; i<items; i++)
- free(namelist[i]);
+ zfree(&namelist[i]);
free(namelist);

return threads;
@@ -118,7 +118,7 @@ struct thread_map *thread_map__new_by_uid(uid_t uid)
threads->map[threads->nr + i] = atoi(namelist[i]->d_name);

for (i = 0; i < items; i++)
- free(namelist[i]);
+ zfree(&namelist[i]);
free(namelist);

threads->nr += items;
@@ -135,7 +135,7 @@ out_free_threads:

out_free_namelist:
for (i = 0; i < items; i++)
- free(namelist[i]);
+ zfree(&namelist[i]);
free(namelist);

out_free_closedir:
@@ -194,7 +194,7 @@ static struct thread_map *thread_map__new_by_pid_str(const char *pid_str)

for (i = 0; i < items; i++) {
threads->map[j++] = atoi(namelist[i]->d_name);
- free(namelist[i]);
+ zfree(&namelist[i]);
}
threads->nr = total_tasks;
free(namelist);
@@ -206,7 +206,7 @@ out:

out_free_namelist:
for (i = 0; i < items; i++)
- free(namelist[i]);
+ zfree(&namelist[i]);
free(namelist);

out_free_threads:
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c
index 9f73bf43862c..7e6fcfe8b438 100644
--- a/tools/perf/util/trace-event-info.c
+++ b/tools/perf/util/trace-event-info.c
@@ -397,8 +397,8 @@ put_tracepoints_path(struct tracepoint_path *tps)
struct tracepoint_path *t = tps;

tps = tps->next;
- free(t->name);
- free(t->system);
+ zfree(&t->name);
+ zfree(&t->system);
free(t);
}
}
diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 697c8b4e59cc..0fb3c1fcd3e6 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -31,14 +31,14 @@ void perf_read_values_destroy(struct perf_read_values *values)
return;

for (i = 0; i < values->threads; i++)
- free(values->value[i]);
- free(values->value);
- free(values->pid);
- free(values->tid);
- free(values->counterrawid);
+ zfree(&values->value[i]);
+ zfree(&values->value);
+ zfree(&values->pid);
+ zfree(&values->tid);
+ zfree(&values->counterrawid);
for (i = 0; i < values->counters; i++)
- free(values->countername[i]);
- free(values->countername);
+ zfree(&values->countername[i]);
+ zfree(&values->countername);
}

static void perf_read_values__enlarge_threads(struct perf_read_values *values)
--
1.8.1.4

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