Re: [PATCH V2] fuse: Block access to folio overlimit

From: Miklos Szeredi
Date: Wed Aug 27 2025 - 08:28:23 EST


On Wed, 27 Aug 2025 at 03:46, Edward Adam Davis <eadavis@xxxxxx> wrote:
>
> syz reported a slab-out-of-bounds Write in fuse_dev_do_write.
>
> When the number of bytes to be retrieved is truncated to the upper limit
> by fc->max_pages and there is an offset, the oob is triggered.
>
> Add a loop termination condition to prevent overruns.

Applied, thanks.

Miklos