On 5/20/20 4:45 AM, Tetsuo Handa wrote:
> syzbot is reporting that tipc_udp_send_msg() is calling dst_cache_get()
> without preemption disabled [1]. Since b->media->send_msg() is called
> with RCU lock already held, we can also disable preemption at that point.
>
> [1]
> https://syzkaller.apps
syzbot is reporting that tipc_udp_send_msg() is calling dst_cache_get()
without preemption disabled [1]. Since b->media->send_msg() is called
with RCU lock already held, we can also disable preemption at that point.
[1]
https://syzkaller.appspot.com/bug?id=dc6352b92862eb79373fe03fdf9af5928753e057
