[LTP] cve: reproducer for cve-2026-64600

[Andrea Cervesato]

> On August 1, 2026, Andrea Cervesato wrote:
> > cve: reproducer for cve-2026-64600
> 
> > 	struct stat sb;
> >
> > 	SAFE_STAT(".", &sb);
> > 	blksize = sb.st_blksize;
> 
> Could the I/O size and alignment be derived from MNTPOINT or TARGET instead?
> The framework mounts XFS at MNTPOINT but leaves "." on the surrounding
> temporary filesystem, whose block size can differ from that of XFS.

This is actually accurate and I need to fix it before merge.

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com