Commit 43b7c6c6 authored by Colin Ian King's avatar Colin Ian King Committed by Tyler Hicks

eCryptfs: fix 32 bit corruption issue

Shifting page->index on 32 bit systems was overflowing, causing
data corruption of > 4GB files. Fix this by casting it first. default avatarColin Ian King <>
Reported-by: default avatarLars Duesing <>
Cc: # v3.11+
Signed-off-by: default avatarTyler Hicks <>
parent 3edc8376
......@@ -408,7 +408,7 @@ static loff_t lower_offset_for_page(struct ecryptfs_crypt_stat *crypt_stat,
struct page *page)
return ecryptfs_lower_header_size(crypt_stat) +
(page->index << PAGE_CACHE_SHIFT);
((loff_t)page->index << PAGE_CACHE_SHIFT);
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