[Linux-kernel-mentees] [PATCH net] drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c

David Miller davem at davemloft.net
Fri May 15 00:44:04 UTC 2020


From: madhuparnabhowmik10 at gmail.com
Date: Thu, 14 May 2020 19:41:15 +0530

> From: Madhuparna Bhowmik <madhuparnabhowmik10 at gmail.com>
> 
> This patch fixes the following warning:
> =============================
> WARNING: suspicious RCU usage
> 5.7.0-rc5-next-20200514-syzkaller #0 Not tainted
> -----------------------------
> drivers/net/hamradio/bpqether.c:149 RCU-list traversed in non-reader section!!
> 
> Since rtnl lock is held, pass this cond in list_for_each_entry_rcu().
> 
> Reported-by: syzbot+bb82cafc737c002d11ca at syzkaller.appspotmail.com
> Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10 at gmail.com>

Applied, thanks.


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