Re: [PATCH] xfs: check for negatives in xfs_exchange_range_checks()

[Christoph Hellwig]

On Sat, May 04, 2024 at 02:27:36PM +0300, Dan Carpenter wrote:
> The fxr->file1_offset and fxr->file2_offset variables come from the user
> in xfs_ioc_exchange_range().  They are size loff_t which is an s64.
> Check the they aren't negative.
> 
> Fixes: 9a64d9b3109d ("xfs: introduce new file range exchange ioctl")

In this commit file1_offset and file2_offset are u64.  They used to
be u64 in the initial submission, but we changed that as part of the
review process.