From: Florian Westphal <f...@strlen.de>
Date: Wed, 3 Apr 2019 08:28:35 +0200
> syzbot reports:
> BUG: using __this_cpu_read() in preemptible code:
> caller is dev_recursion_level include/linux/netdevice.h:3052 [inline]
> __this_cpu_preempt_check+0x246/0x270 lib/smp_processor_id.c:47
> dev_recursion_level include/linux/netdevice.h:3052 [inline]
> ip6_skb_dst_mtu include/net/ip6_route.h:245 [inline]
>
> I erronously downgraded a this_cpu_read to __this_cpu_read when
> moving dev_recursion_level() around.
>
> Reported-by: syzbot+51471b4aae195285a...@syzkaller.appspotmail.com
> Fixes: 97cdcf37b57e ("net: place xmit recursion in softnet data")
> Signed-off-by: Florian Westphal <f...@strlen.de>
Applied, thanks Florian.
