Blame SOURCES/0802-unit-fix-potential-use-of-cgroup_path-after-free-whe.patch
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From 8a2dc9e983d6fb67955ae68da0a4af4248ecaf2d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Renaud=20M=C3=A9trich?= <rmetrich@redhat.com>
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Date: Sat, 23 Nov 2019 13:37:02 +0100
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Subject: [PATCH] unit: fix potential use of cgroup_path after free() when
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freeing unit
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Resolves: #1760149
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---
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src/core/cgroup.c | 3 +--
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src/core/unit.c | 2 +-
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2 files changed, 2 insertions(+), 3 deletions(-)
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diff --git a/src/core/cgroup.c b/src/core/cgroup.c
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index 0ce265dbf4..9af8126957 100644
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--- a/src/core/cgroup.c
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+++ b/src/core/cgroup.c
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@@ -874,8 +874,7 @@ void unit_destroy_cgroup_if_empty(Unit *u) {
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hashmap_remove(u->manager->cgroup_unit, u->cgroup_path);
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- free(u->cgroup_path);
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- u->cgroup_path = NULL;
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+ u->cgroup_path = mfree(u->cgroup_path);
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u->cgroup_realized = false;
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u->cgroup_realized_mask = 0;
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}
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diff --git a/src/core/unit.c b/src/core/unit.c
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index 294c9eb70f..0dc66203a4 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -515,7 +515,7 @@ void unit_free(Unit *u) {
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if (u->cgroup_path) {
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hashmap_remove(u->manager->cgroup_unit, u->cgroup_path);
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- free(u->cgroup_path);
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+ u->cgroup_path = mfree(u->cgroup_path);
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}
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set_remove(u->manager->failed_units, u);
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