lkml.org 
[lkml]   [2005]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch 13/26] 32bit integer overflow in invalidate_inode_pages2()
-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/

\
 
 \ /
  Last update: 2005-12-13 09:36    [W:0.132 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site