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2020 May 29
0
[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 kernel NULL pointer dereference at virtual address 0000000000000000
> [ 463.718848][ T5040] Mem abort info:
> [ 463.718849][ T5040] ESR = 0x96000044
> [ 463.718852][ T5040] EC = 0x25: DABT (current EL), IL = 32 bits
> [ 463.718853][ T5040] SET = 0, FnV = 0
&g...
2020 May 29
0
[PATCH v2] virtio_vsock: Fix race condition in virtio_transport_recv_pkt
On Fri, May 29, 2020 at 11:21:02PM +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 kernel NULL pointer dereference at virtual address 0000000000000000
> [ 463.718848][ T5040] Mem abort info:
> [ 463.718849][ T5040] ESR = 0x96000044
> [ 463.718852][ T5040] EC = 0x25: DABT (current EL), IL = 32 bits
> [ 463.718853][ T5040] SET = 0, FnV = 0
&g...