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SubjectRe: [PATCH net-next 00/12] ptr_ring fixes
From
From: Jason Wang <jasowang@redhat.com>
Date: Mon, 29 Jan 2018 15:10:37 +0800

>
>
> On 2018年01月26日 07:36, Michael S. Tsirkin wrote:
>> This fixes a bunch of issues around ptr_ring use in net core.
>> One of these: "tap: fix use-after-free" is also needed on net,
>> but can't be backported cleanly.
>>
>> I will post a net patch separately.
>>
>> Lightly tested - Jason, could you pls confirm this
>> addresses the security issue you saw with ptr_ring?
>> Testing reports would be appreciated too.
>>
>> Michael S. Tsirkin (12):
>> ptr_ring: keep consumer_head valid at all times
>> ptr_ring: clean up documentation
>> ptr_ring: READ/WRITE_ONCE for __ptr_ring_empty
>> tap: fix use-after-free
>> ptr_ring: disallow lockless __ptr_ring_full
>> Revert "net: ptr_ring: otherwise safe empty checks can overrun array
>> bounds"
>> skb_array: use __ptr_ring_empty
>> ptr_ring: prevent queue load/store tearing
>> tools/virtio: switch to __ptr_ring_empty
>> tools/virtio: more stubs to fix tools build
>> tools/virtio: copy READ/WRITE_ONCE
>> tools/virtio: fix smp_mb on x86
>>
>> drivers/net/tap.c | 3 --
>> include/linux/ptr_ring.h | 86 ++++++++++++++++++++++------------------
>> include/linux/skb_array.h | 2 +-
>> tools/virtio/linux/kernel.h | 2 +-
>> tools/virtio/linux/thread_info.h | 1 +
>> tools/virtio/ringtest/main.h | 59 ++++++++++++++++++++++++++-
>> tools/virtio/ringtest/ptr_ring.c | 2 +-
>> 7 files changed, 110 insertions(+), 45 deletions(-)
>> create mode 100644 tools/virtio/linux/thread_info.h
>>
>
> For the series:
>
> Tested-by: Jason Wang <jasowang@redhat.com>
> Acked-by: Jason Wang <jasowang@redhat.com>

Series applied, thanks everyone.

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