Re: [PATCH v2] ipv4: fix a RCU-list lock in inet_dump_fib()

[David Miller]

From: Qian Cai <cai@xxxxxx>
Date: Thu, 19 Mar 2020 22:54:21 -0400

> There is a place,
> 
> inet_dump_fib()
>   fib_table_dump
>     fn_trie_dump_leaf()
>       hlist_for_each_entry_rcu()
> 
> without rcu_read_lock() will trigger a warning,
> 
>  WARNING: suspicious RCU usage
 ...
> Fixes: 18a8021a7be3 ("net/ipv4: Plumb support for filtering route dumps")
> Signed-off-by: Qian Cai <cai@xxxxxx>

Applied and queued up for -stable, thank you.