Re: KASAN: use-after-free in nilfs_mdt_destroy

[Al Viro]

On Mon, Aug 15, 2022 at 10:03:21PM +0800, Jiacheng Xu wrote:

> Patch:
> Fix this bug by moving the assignment of inode->i_private before
> security_inode_alloc.
> An ad-hoc patch is proposed:
> https://patchwork.kernel.org/project/linux-fsdevel/patch/20211011030956.2459172-1-mudongliangabcd@xxxxxxxxx/

... and that looks like utter bollocks.  Why does security_inode_alloc()
look at ->i_private?  Which LSM is involved?