3.11.10.14 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Liu Bo <[email protected]> commit cd857dd6bc2ae9ecea14e75a34e8a8fdc158e307 upstream. We want to make sure the point is still within the extent item, not to verify the memory it's pointing to. Signed-off-by: Liu Bo <[email protected]> Signed-off-by: Chris Mason <[email protected]> Cc: David Sterba <[email protected]> Signed-off-by: Luis Henriques <[email protected]> --- fs/btrfs/backref.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 8bc5e8ccb091..2b3d7ba4ad33 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1388,7 +1388,7 @@ static int __get_extent_inline_ref(unsigned long *ptr, struct extent_buffer *eb, *out_eiref = (struct btrfs_extent_inline_ref *)(ei + 1); } *ptr = (unsigned long)*out_eiref; - if ((void *)*ptr >= (void *)ei + item_size) + if ((unsigned long)(*ptr) >= (unsigned long)ei + item_size) return -ENOENT; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
