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    SubjectRE: [PATCH] usb: gadget: aspeed: fix buffer overflow
    Date
    > > > > Thanks for your feedback.
    > > > > I tried to reproduce it on my side, and it cannot be reproduce it.
    > > > > Here are my test sequences:
    > > > > 1. emulate one of the vhub port to usb ethernet through Linux
    > > > > gadget
    > > > > (ncm)
    > > >
    > > > We are using rndis instead of ncm.
    > > >
    > > > > 2. connect BMC vhub to Host
    > > > > 3. BMC & Host can ping each other (both usb eth dev default mtu is
    > > > > 1500) 4. Set BMC mtu to 1000 (Host OS cannot set usb eth dev mtu
    > > > > to 2000, it's maxmtu is 1500)
    > > >
    > > > Not sure if it's related, but in my case (USB rndis, Debian 10 OS)
    > > > it should be able to set MTU to 2000.
    > >
    > > Using rndis is able to set MTU to 2000, and the issue can be reproduced.
    >
    > Please NEVER use rndis anymore. I need to go just delete that driver from
    > the tree.
    >
    > It is insecure-by-design and will cause any system that runs it to be instantly
    > compromised and it can not be fixed. Never trust it.
    >
    > Even for data throughput tests, I wouldn't trust it as it does odd things with
    > packet sizes as you show here.

    Thanks for the info, Greg.
    If rndis will no longer be supported, how to use usb-ethernet on Windows OS?
    For my understanding, ncm/ecm cannot work on Windows OS.

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