From: madhuparnabhowmi...@gmail.com
Date: Sat, 16 May 2020 13:15:15 +0530
> From: Madhuparna Bhowmik <madhuparnabhowmi...@gmail.com>
>
> This patch fixes the following warning:
>
> =============================
> WARNING: suspicious RCU usage
> 5.7.0-rc4-next-20200507-syzkaller #0 Not tainted
> -----------------------------
> net/ipv6/ip6mr.c:124 RCU-list traversed in non-reader section!!
>
> ipmr_new_table() returns an existing table, but there is no table at
> init. Therefore the condition: either holding rtnl or the list is empty
> is used.
>
> Fixes: d1db275dd3f6e ("ipv6: ip6mr: support multiple tables")
> Reported-by: kernel test robot <l...@intel.com>
> Suggested-by: Jakub Kicinski <k...@kernel.org>
> Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmi...@gmail.com>
Applied and queued up for -stable, thanks.
