From: Roopa Prabhu <ro...@cumulusnetworks.com>
Date: Wed, 16 Aug 2017 12:38:52 -0700
> From: Roopa Prabhu <ro...@cumulusnetworks.com>
>
> Syzkaller hit 'general protection fault in fib_dump_info' bug on
> commit 4.13-rc5..
>
> Guilty file: net/ipv4/fib_semantics.c
...
> This patch adds a res->fi NULL check.
>
> example run:
> $ip route get 0.0.0.0 iif virt1-0
> broadcast 0.0.0.0 dev lo
> cache <local,brd> iif virt1-0
>
> $ip route get 0.0.0.0 iif virt1-0 fibmatch
> RTNETLINK answers: No route to host
>
> Reported-by: idaifish <idaif...@gmail.com>
> Reported-by: Dmitry Vyukov <dvyu...@google.com>
> Fixes: b61798130f1b ("net: ipv4: RTM_GETROUTE: return matched fib result when
> requested")
> Signed-off-by: Roopa Prabhu <ro...@cumulusnetworks.com>
Applied, thank you.
