Re: possible deadlock in siw_create_listen

From: Jason Gunthorpe
Date: Mon Mar 09 2020 - 13:20:27 EST


On Fri, Mar 06, 2020 at 05:25:10PM -0800, syzbot wrote:
> Hello,
>
> syzbot found the following crash on:
>
> HEAD commit: 68e2c376 Merge branch 'hsr-several-code-cleanup-for-hsr-mo..
> git tree: net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=10c92e91e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7e519c35f474a428
> dashboard link: https://syzkaller.appspot.com/bug?extid=3fbea977bd382a4e6140
> 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+3fbea977bd382a4e6140@xxxxxxxxxxxxxxxxxxxxxxxxx

#syz dup: possible deadlock in cma_netdev_callback