diff options
| author | Jan Kara <jack@suse.cz> | 2010-08-19 14:13:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-20 09:34:55 -0700 |
| commit | d5ed3a4af77b851b6271ad3d9abc4c57fa3ce0f5 (patch) | |
| tree | f06894404e4af25051e8918bfd3fdac95974fc97 /arch | |
| parent | f2e41e910320197d55b52e28d99a07130f2ae738 (diff) | |
lib/radix-tree.c: fix overflow in radix_tree_range_tag_if_tagged()
When radix_tree_maxindex() is ~0UL, it can happen that scanning overflows
index and tree traversal code goes astray reading memory until it hits
unreadable memory. Check for overflow and exit in that case.
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions