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30 lines
975 B
30 lines
975 B
From b8ccf30c4654ed5697562842a8a608e627425370 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Mon, 9 May 2022 00:56:05 +0900
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Subject: [PATCH] core/unit: fix use-after-free
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Fixes #23312.
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(cherry picked from commit 734582830b58e000a26e18807ea277c18778573c)
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Related: #2087652
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---
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src/core/unit.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/core/unit.c b/src/core/unit.c
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index aac87dcc7a..0eade13ee9 100644
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--- a/src/core/unit.c
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+++ b/src/core/unit.c
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@@ -671,8 +671,8 @@ Unit* unit_free(Unit *u) {
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unit_dequeue_rewatch_pids(u);
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- sd_bus_slot_unref(u->match_bus_slot);
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- sd_bus_track_unref(u->bus_track);
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+ u->match_bus_slot = sd_bus_slot_unref(u->match_bus_slot);
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+ u->bus_track = sd_bus_track_unref(u->bus_track);
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u->deserialized_refs = strv_free(u->deserialized_refs);
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u->pending_freezer_message = sd_bus_message_unref(u->pending_freezer_message);
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