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BUG: KMSAN: uninit-value in virtio_transport_recv_pkt+0x183e/0x5af0 net/vmw_vsock/virtio_transport_common.c:1320
 virtio_transport_recv_pkt+0x183e/0x5af0 net/vmw_vsock/virtio_transport_common.c:1320
 vsock_loopback_work+0x3fb/0x600 net/vmw_vsock/vsock_loopback.c:122
 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390
 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Uninit was stored to memory at:
 virtio_transport_space_update net/vmw_vsock/virtio_transport_common.c:1178 [inline]
 virtio_transport_recv_pkt+0x2bda/0x5af0 net/vmw_vsock/virtio_transport_common.c:1314
 vsock_loopback_work+0x3fb/0x600 net/vmw_vsock/vsock_loopback.c:122
 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390
 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Uninit was created at:
 slab_post_alloc_hook+0x12d/0xb60 mm/slab.h:774
 slab_alloc_node mm/slub.c:3452 [inline]
 kmem_cache_alloc_node+0x543/0xab0 mm/slub.c:3497
 kmalloc_reserve+0x14b/0x3e0 net/core/skbuff.c:525
 __alloc_skb+0x3a7/0x850 net/core/skbuff.c:608
 alloc_skb include/linux/skbuff.h:1277 [inline]
 virtio_vsock_alloc_skb include/linux/virtio_vsock.h:66 [inline]
 virtio_transport_alloc_skb+0x95/0xcc0 net/vmw_vsock/virtio_transport_common.c:58
 virtio_transport_reset_no_sock net/vmw_vsock/virtio_transport_common.c:856 [inline]
 virtio_transport_recv_pkt+0x2a6e/0x5af0 net/vmw_vsock/virtio_transport_common.c:1291
 vsock_loopback_work+0x3fb/0x600 net/vmw_vsock/vsock_loopback.c:122
 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390
 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537
 kthread+0x31f/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

CPU: 0 PID: 112 Comm: kworker/0:2 Not tainted 6.3.0-rc1-syzkaller-ge61893130d87 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: vsock-loopback vsock_loopback_work
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