Re: [PATCH] fs: use kvmalloc for big coredump file

[Al Viro]

On Sun, Sep 18, 2022 at 10:29:10AM +0800, Zhaoyang Huang wrote:
> loop Eric W
> 
> On Tue, Aug 30, 2022 at 2:56 PM zhaoyang.huang
> <zhaoyang.huang@xxxxxxxxxx> wrote:
> >
> > From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx>
> >
> > High order page allocation observed which even introduce kernel panic when generating
> > coredump file, use kvmalloc_array instead of kmalloc_array

Frankly, I would rather cap argc here - if you are trying to feed that many arguments
to your userland helper, your core_pattern is probably bogus.