Messages in this thread | | | Date | Sat, 13 Sep 2014 15:32:14 -0400 (EDT) | Subject | Re: [PATCH] Freeing dst when the reference count <0 causes general protection fault, it could be a major security flaw as rogue app can modify dst to crash kernel. | From | David Miller <> |
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From: Shakil k <shakilk1729@gmail.com> Date: Sat, 13 Sep 2014 10:46:39 -0700
> On Sat, Sep 13, 2014 at 4:50 AM, Eric Dumazet <eric.dumazet@gmail.com> > wrote: > >> Can you describe how this could trigger with a pristine kernel ? >> This can be reproduced with our custom network traffic to simulate malware. >> > Point is the user can modify certain packets and can cause a kernel crash > causing blackout to all the linux boxes hosting services :(
Eric is kindly asking you exactly how to reproduce the crash, so he can 1) fix it and 2) generate a test case that gets run all the time in the future.
Please answer his question directly instead of steering the conversation endless towards other aspects.
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