Messages in this thread Patch in this message | | | Date | Tue, 13 Dec 2005 00:23:03 -0800 | From | Greg KH <> | Subject | [patch 13/26] 32bit integer overflow in invalidate_inode_pages2() |
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-stable review patch. If anyone has any objections, please let us know.
------------------ From: Oleg Drokin <green@linuxhacker.ru>
[PATCH] 32bit integer overflow in invalidate_inode_pages2()
Fix a 32 bit integer overflow in invalidate_inode_pages2_range.
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- mm/truncate.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- linux-2.6.14.3.orig/mm/truncate.c +++ linux-2.6.14.3/mm/truncate.c @@ -291,8 +291,8 @@ int invalidate_inode_pages2_range(struct * Zap the rest of the file in one hit. */ unmap_mapping_range(mapping, - page_index << PAGE_CACHE_SHIFT, - (end - page_index + 1) + (loff_t)page_index<<PAGE_CACHE_SHIFT, + (loff_t)(end - page_index + 1) << PAGE_CACHE_SHIFT, 0); did_range_unmap = 1; @@ -301,7 +301,7 @@ int invalidate_inode_pages2_range(struct * Just zap this page */ unmap_mapping_range(mapping, - page_index << PAGE_CACHE_SHIFT, + (loff_t)page_index<<PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, 0); } } -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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