[LU-18075] New "Check fiemap for sparse files" test shows the memory corruption

• Type: Test
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.15.0

Epic/Theme

patch

• Severity: 3
• Assignee: Elena Gryaznova
• Reporter: Elena Gryaznova

Description

New "Check fiemap for sparse files" test shows the memory corruption without the fix:

a81dc7d0e158 LU-17110 llite: fix slab corruption with fm_extent_count=0