fs/ntfs3: zero stale pagecache beyond valid data length

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Zero cached folios beyond the valid data length when closing a writable
mapping. This keeps cached data beyond initialized file contents zeroed
and prevents stale pagecache exposure after mmap-based writes.

Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

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Konstantin Komarov 2026-05-22 14:46:23 +02:00

parent 33f29fc7c6

commit 4f165b1ff9

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GPG key ID: A9B0331F832407B6

1 changed files with 28 additions and 2 deletions

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fs/ntfs3/file.c

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