Messages in this thread | ![/](/images/icornerl.gif) | | From | Stefano Garzarella <> | Date | Fri, 24 Mar 2023 12:58:20 +0100 | Subject | Re: [syzbot] [kvm?] [net?] [virt?] general protection fault in virtio_transport_purge_skbs |
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On Fri, Mar 24, 2023 at 10:06 AM Stefano Garzarella <sgarzare@redhat.com> wrote: > > On Fri, Mar 24, 2023 at 9:55 AM Stefano Garzarella <sgarzare@redhat.com> wrote: > > > > On Fri, Mar 24, 2023 at 9:31 AM Stefano Garzarella <sgarzare@redhat.com> wrote: > > > > > > Hi Bobby, > > > can you take a look at this report? > > > > > > It seems related to the changes we made to support skbuff. > > > > Could it be a problem of concurrent access to pkt_queue ? > > > > IIUC we should hold pkt_queue.lock when we call skb_queue_splice_init() > > and remove pkt_list_lock. (or hold pkt_list_lock when calling > > virtio_transport_purge_skbs, but pkt_list_lock seems useless now that > > we use skbuff) > > >
Patch posted here: https://lore.kernel.org/netdev/20230324115450.11268-1-sgarzare@redhat.com/
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