Re: [PATCH net] ipv4: reject RTNH_F_LINKDOWN for incompatible routes

2016-07-09 Thread Julian Anastasov
Hello, On Sat, 9 Jul 2016, Andy Gospodarek wrote: > On Sat, Jul 09, 2016 at 12:00:15PM +0300, Julian Anastasov wrote: > > Vegard Nossum is reporting for a crash in fib_dump_info (fib_nhs==1) > > when nh_dev = NULL. Problem happens when RTNH_F_LINKDOWN is > > provided from user space for

Re: [PATCH net] ipv4: reject RTNH_F_LINKDOWN for incompatible routes

2016-07-09 Thread Vegard Nossum
On 07/09/2016 07:23 PM, Andy Gospodarek wrote: On Sat, Jul 09, 2016 at 12:00:15PM +0300, Julian Anastasov wrote: Vegard Nossum is reporting for a crash in fib_dump_info (fib_nhs==1) when nh_dev = NULL. Problem happens when RTNH_F_LINKDOWN is provided from user space for routes that do not use

Re: [PATCH net] ipv4: reject RTNH_F_LINKDOWN for incompatible routes

2016-07-09 Thread Andy Gospodarek
On Sat, Jul 09, 2016 at 12:00:15PM +0300, Julian Anastasov wrote: > Vegard Nossum is reporting for a crash in fib_dump_info (fib_nhs==1) > when nh_dev = NULL. Problem happens when RTNH_F_LINKDOWN is > provided from user space for routes that do not use the flag, > catched with netlink fuzzer. Can