From: Yuwei Zhang <[email protected]> Qemu will crash on vhost backend unexpected exit and re-connect │ in some case due to access released memory.
Signed-off-by: Yuwei Zhang <[email protected]> Message-Id: <[email protected]> Reviewed-by: Michael S. Tsirkin <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> --- hw/virtio/vhost-user.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 360d9bc040..2c8556237f 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -2480,7 +2480,7 @@ void vhost_user_cleanup(VhostUserState *user) if (!user->chr) { return; } - + memory_region_transaction_begin(); for (i = 0; i < VIRTIO_QUEUE_MAX; i++) { if (user->notifier[i].addr) { object_unparent(OBJECT(&user->notifier[i].mr)); @@ -2488,6 +2488,7 @@ void vhost_user_cleanup(VhostUserState *user) user->notifier[i].addr = NULL; } } + memory_region_transaction_commit(); user->chr = NULL; } -- MST
