From: Marc-André Lureau <[email protected]>

virtio_gpu_virgl_reset() does not free the bottom halves or timers
allocated by the previous virtio_gpu_virgl_init() call. A subsequent
virtio_gpu_virgl_init() overwrites the old pointers, leaking the
previous allocations.

Fixes: bd9258917fbf ("virtio-gpu: Destroy virgl resources on virtio-gpu reset")
Signed-off-by: Marc-André Lureau <[email protected]>
---
 hw/display/virtio-gpu-virgl.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index 0b79aef8d1f5..8bf6417c6514 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -1425,6 +1425,7 @@ void virtio_gpu_virgl_reset_scanout(VirtIOGPU *g)
 
 static bool virtio_gpu_virgl_reset(VirtIOGPU *g)
 {
+    VirtIOGPUGL *gl = VIRTIO_GPU_GL(g);
     struct virtio_gpu_simple_resource *res, *tmp;
 
     /*
@@ -1443,6 +1444,11 @@ static bool virtio_gpu_virgl_reset(VirtIOGPU *g)
 
     virtio_gpu_virgl_reset_async_fences(g);
 
+    g_clear_pointer(&gl->cmdq_resume_bh, qemu_bh_delete);
+    g_clear_pointer(&gl->async_fence_bh, qemu_bh_delete);
+    g_clear_pointer(&gl->print_stats, timer_free);
+    g_clear_pointer(&gl->fence_poll, timer_free);
+
     return true;
 }
 
-- 
2.55.0.543.g5ebe2ebe4ea8


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