CVE-2026-43262

CVE-2026-43262 stems from a Linux kernel gfs2 fiemap page fault: gfs2_fiemap() calls iomap_fiemap() while holding the inode glock, risking recursive glock taking if the fiemap buffer maps to the same inode. The fix disables page faults for iomap_fiemap() and faults in the buffer by hand when need...