[PATCH] virtio_vsock: Fix race condition in virtio_transport_recv_pkt

When client on the host tries to connect(SOCK_STREAM, O_NONBLOCK) to the server on the guest, there will be a panic on a ThunderX2 (armv8a server): [ 463.718844] Unable to handle kernel NULL pointer dereference at virtual address [ 463.718848] Mem abort info: [ 463.718849] E

RE: [PATCH] virtio_vsock: Fix race condition in virtio_transport_recv_pkt

kernel.org; linux-kernel@vger.kernel.org; Kaly Xin > ; sta...@vger.kernel.org > Subject: Re: [PATCH] virtio_vsock: Fix race condition in > virtio_transport_recv_pkt > > Hi Jia, > thanks for the patch! I have some comments. > > On Fri, May 29, 2020 at 09:31:23PM +0800, Jia He wrote: &

Re: [PATCH] virtio_vsock: Fix race condition in virtio_transport_recv_pkt

Hi Jia, thanks for the patch! I have some comments. On Fri, May 29, 2020 at 09:31:23PM +0800, Jia He wrote: > When client tries to connect(SOCK_STREAM) the server in the guest with > NONBLOCK > mode, there will be a panic on a ThunderX2 (armv8a server): > [ 463.718844][ T5040] Unable to handle k

[PATCH] virtio_vsock: Fix race condition in virtio_transport_recv_pkt

When client tries to connect(SOCK_STREAM) the server in the guest with NONBLOCK mode, there will be a panic on a ThunderX2 (armv8a server): [ 463.718844][ T5040] Unable to handle kernel NULL pointer dereference at virtual address [ 463.718848][ T5040] Mem abort info: [ 463.7188