Re: WARNING in nsim_fib6_rt_nh_del

From: Ido Schimmel
Date: Thu Jan 30 2020 - 06:02:48 EST


On Thu, Jan 30, 2020 at 01:54:15AM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: b3a60822 Merge branch 'for-v5.6' of git://git.kernel.org:/..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=12461f66e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=614e56d86457f3a7
> dashboard link: https://syzkaller.appspot.com/bug?extid=63abe9d5f32ff88090eb
> compiler: gcc (GCC) 9.0.0 20181231 (experimental)
>
> Unfortunately, I don't have any reproducer for this crash yet.
>
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+63abe9d5f32ff88090eb@xxxxxxxxxxxxxxxxxxxxxxxxx
>
> ------------[ cut here ]------------
> WARNING: CPU: 1 PID: 24083 at drivers/net/netdevsim/fib.c:448 nsim_fib6_rt_nh_del+0x287/0x350 drivers/net/netdevsim/fib.c:448

Will check.

Thanks