lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <157355747597.29376.8966956495102275134.tip-bot2@tip-bot2>
Date:   Tue, 12 Nov 2019 11:17:55 -0000
From:   "tip-bot2 for Ian Rogers" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Ian Rogers <irogers@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Jin Yao <yao.jin@...ux.intel.com>,
        John Garry <john.garry@...wei.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Martin KaFai Lau <kafai@...com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Song Liu <songliubraving@...com>,
        Stephane Eranian <eranian@...gle.com>,
        Yonghong Song <yhs@...com>, bpf@...r.kernel.org,
        clang-built-linux@...glegroups.com, netdev@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
        linux-kernel@...r.kernel.org
Subject: [tip: perf/core] perf parse: Add a deep delete for parse event terms

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     1dc925568f015edfdbb89e20ad41755bb70538b9
Gitweb:        https://git.kernel.org/tip/1dc925568f015edfdbb89e20ad41755bb70538b9
Author:        Ian Rogers <irogers@...gle.com>
AuthorDate:    Wed, 30 Oct 2019 15:34:47 -07:00
Committer:     Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Thu, 07 Nov 2019 08:30:18 -03:00

perf parse: Add a deep delete for parse event terms

Add a parse_events_term deep delete function so that owned strings and
arrays are freed.

Signed-off-by: Ian Rogers <irogers@...gle.com>
Acked-by: Jiri Olsa <jolsa@...nel.org>
Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Daniel Borkmann <daniel@...earbox.net>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: John Garry <john.garry@...wei.com>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Song Liu <songliubraving@...com>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Yonghong Song <yhs@...com>
Cc: bpf@...r.kernel.org
Cc: clang-built-linux@...glegroups.com
Cc: netdev@...r.kernel.org
Link: http://lore.kernel.org/lkml/20191030223448.12930-10-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/parse-events.c | 16 +++++++++++++---
 tools/perf/util/parse-events.h |  1 +
 tools/perf/util/parse-events.y | 12 ++----------
 tools/perf/util/pmu.c          |  2 +-
 4 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index a0a80f4..6d18ff9 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2812,6 +2812,18 @@ int parse_events_term__clone(struct parse_events_term **new,
 	return new_term(new, &temp, str, 0);
 }
 
+void parse_events_term__delete(struct parse_events_term *term)
+{
+	if (term->array.nr_ranges)
+		zfree(&term->array.ranges);
+
+	if (term->type_val != PARSE_EVENTS__TERM_TYPE_NUM)
+		zfree(&term->val.str);
+
+	zfree(&term->config);
+	free(term);
+}
+
 int parse_events_copy_term_list(struct list_head *old,
 				 struct list_head **new)
 {
@@ -2842,10 +2854,8 @@ void parse_events_terms__purge(struct list_head *terms)
 	struct parse_events_term *term, *h;
 
 	list_for_each_entry_safe(term, h, terms, list) {
-		if (term->array.nr_ranges)
-			zfree(&term->array.ranges);
 		list_del_init(&term->list);
-		free(term);
+		parse_events_term__delete(term);
 	}
 }
 
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 34f58d2..5ee8ac9 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -139,6 +139,7 @@ int parse_events_term__sym_hw(struct parse_events_term **term,
 			      char *config, unsigned idx);
 int parse_events_term__clone(struct parse_events_term **new,
 			     struct parse_events_term *term);
+void parse_events_term__delete(struct parse_events_term *term);
 void parse_events_terms__delete(struct list_head *terms);
 void parse_events_terms__purge(struct list_head *terms);
 void parse_events__clear_array(struct parse_events_array *a);
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 376b198..4cac830 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -49,14 +49,6 @@ static void free_list_evsel(struct list_head* list_evsel)
 	free(list_evsel);
 }
 
-static void free_term(struct parse_events_term *term)
-{
-	if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR)
-		free(term->val.str);
-	zfree(&term->array.ranges);
-	free(term);
-}
-
 static void inc_group_count(struct list_head *list,
 		       struct parse_events_state *parse_state)
 {
@@ -99,7 +91,7 @@ static void inc_group_count(struct list_head *list,
 %type <str> PE_DRV_CFG_TERM
 %destructor { free ($$); } <str>
 %type <term> event_term
-%destructor { free_term ($$); } <term>
+%destructor { parse_events_term__delete ($$); } <term>
 %type <list_terms> event_config
 %type <list_terms> opt_event_config
 %type <list_terms> opt_pmu_config
@@ -694,7 +686,7 @@ event_config ',' event_term
 	struct parse_events_term *term = $3;
 
 	if (!head) {
-		free_term(term);
+		parse_events_term__delete(term);
 		YYABORT;
 	}
 	list_add_tail(&term->list, head);
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index f9f427d..db1e571 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1260,7 +1260,7 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms,
 		info->metric_name = alias->metric_name;
 
 		list_del_init(&term->list);
-		free(term);
+		parse_events_term__delete(term);
 	}
 
 	/*

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ