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Date: Sun, 6 Mar 2016 11:58:35 +0100 From: f6bvp <f6bvp@...e.fr> To: Francois Romieu <romieu@...zoreil.com> Cc: David Miller <davem@...emloft.net>, netdev@...r.kernel.org, ralf@...ux-mips.org, "Eric W. Biederman\"" <ebiederm@...ssion.com>, linux-hams@...r.kernel.org, Bernard Pidoux <bernard.pidoux@...e.fr> Subject: Re: [Patch] rose_route_frame() NULL pointer dereference kernel panic François, Thank you for providing information about rose_rebuild_header history. I was not able to find Jonathan Naylor G4KLX email. However as rose_xmit() has been recently changed by Eric Biederman, he may have more precise information about rose_route_frame() NULL argument. Meanwhile, I browsed into rose_route.c release 001 you referenced and found an interesting comment before rose_route_frame() : +/* + * Route a frame to an appropriate AX.25 connection. A NULL ax25_cb + * indicates an internally generated frame. + */ +int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25) Now, I hope that ROSE guru will explain us what means an "internally generated frame" and if, by chance, it means that it is not to be sent via a net device, but rather to be used locally ? Bernard
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