* [PATCH] linux-user: fix memory leak when threads exit
@ 2022-05-28 11:50 kkhaike
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From: kkhaike @ 2022-05-28 11:50 UTC (permalink / raw)
To: qemu-devel; +Cc: laurent, richard.henderson, kkHAIKE
From: kkHAIKE <kkhaike@gmail.com>
when call do_fork->cpu_copy->cpu_create, the return new cpu was not parent so refby '/unattached', so need add more object_unparent call to unref.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/866
Signed-off-by: kkHAIKE <kkhaike@gmail.com>
---
linux-user/syscall.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f55cdebee5..c653897d32 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8567,6 +8567,7 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
TaskState *ts = cpu->opaque;
object_property_set_bool(OBJECT(cpu), "realized", false, NULL);
+ object_unparent(OBJECT(cpu));
object_unref(OBJECT(cpu));
/*
* At this point the CPU should be unrealized and removed
--
2.32.1 (Apple Git-133)
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