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[PULL,5/8] dump: Fix g_array_unref(NULL) in dump-guest-memory

Message ID 20231103070136.437557-6-marcandre.lureau@redhat.com
State New
Headers show
Series [PULL,1/8] dump: Pass DumpState to write_ functions | expand

Commit Message

Marc-André Lureau Nov. 3, 2023, 7:01 a.m. UTC 
From: Markus Armbruster <armbru@redhat.com>

When dump_init()'s check for non-zero @length fails, dump_cleanup()
passes null s->string_table_buf to g_array_unref(), which spews "GLib:
g_array_unref: assertion 'array' failed" to stderr.

Guard the g_array_unref().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20231031104531.3169721-3-armbru@redhat.com>
---
 dump/dump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/dump/dump.c b/dump/dump.c
index 9cdb4a2bf8..24c829e705 100644
--- a/dump/dump.c
+++ b/dump/dump.c
@@ -100,7 +100,7 @@  static int dump_cleanup(DumpState *s)
     memory_mapping_list_free(&s->list);
     close(s->fd);
     g_free(s->guest_note);
-    g_array_unref(s->string_table_buf);
+    g_clear_pointer(&s->string_table_buf, g_array_unref);
     s->guest_note = NULL;
     if (s->resume) {
         if (s->detached) {