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[PATCH v2 4/5] cpu: Free cpu->cpu_ases in cpu_exec_unrealizefn()


From: Mark Kanda
Subject: [PATCH v2 4/5] cpu: Free cpu->cpu_ases in cpu_exec_unrealizefn()
Date: Fri, 18 Mar 2022 10:15:54 -0500

vCPU hotunplug related leak reported by Valgrind:

==132362== 216 bytes in 1 blocks are definitely lost in loss record 7,119 of 
8,549
==132362==    at 0x4C3ADBB: calloc (vg_replace_malloc.c:1117)
==132362==    by 0x69EE4CD: g_malloc0 (in /usr/lib64/libglib-2.0.so.0.5600.4)
==132362==    by 0x7E34AF: cpu_address_space_init (physmem.c:751)
==132362==    by 0x45053E: qemu_init_vcpu (cpus.c:635)
==132362==    by 0x76B4A7: x86_cpu_realizefn (cpu.c:6520)
==132362==    by 0x9343ED: device_set_realized (qdev.c:531)
==132362==    by 0x93E26F: property_set_bool (object.c:2273)
==132362==    by 0x93C23E: object_property_set (object.c:1408)
==132362==    by 0x9406DC: object_property_set_qobject (qom-qobject.c:28)
==132362==    by 0x93C5A9: object_property_set_bool (object.c:1477)
==132362==    by 0x933C81: qdev_realize (qdev.c:333)
==132362==    by 0x455E9A: qdev_device_add_from_qdict (qdev-monitor.c:713)

Signed-off-by: Mark Kanda <mark.kanda@oracle.com>
---
 cpu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cpu.c b/cpu.c
index be1f8b074c..6a3475022f 100644
--- a/cpu.c
+++ b/cpu.c
@@ -173,6 +173,7 @@ void cpu_exec_unrealizefn(CPUState *cpu)
     if (tcg_enabled()) {
         tcg_exec_unrealizefn(cpu);
     }
+    g_free(cpu->cpu_ases);
 
     cpu_list_remove(cpu);
 }
-- 
2.27.0




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