Re: [PATCH riscv64] kobject: fix WARNING in input_register_device

From: Edward Adam Davis
Date: Mon Feb 12 2024 - 20:35:05 EST


On Thu, 8 Feb 2024 12:25:35 +0000, Greg KH wrote:
> On Thu, Feb 08, 2024 at 07:37:56PM +0800, Edward Adam Davis wrote:
> > On Thu, 8 Feb 2024 10:56:00, Greg KH wrote:
> > > > The input_add_uevent_modalias_var()->input_print_modalias() will add 1684 bytes
> > > > of data to env, which will result in insufficient memory allocated to the buf
> > > > members of env.
> > >
> > > What is "env"? And can you wrap your lines at 72 columns please?
> > env is an instance of struct kobj_uevent_env.
>
> Also, why is "risc64" in the subject line?
Because when syzbot reported this issue, it wrote "userspace arch: riscv64".
However, I actually tested it on the master branch of upstream.

thanks,
edward.