https://github.com/torvalds/linux
Revision d5ed3a4af77b851b6271ad3d9abc4c57fa3ce0f5 authored by Jan Kara on 19 August 2010, 21:13:33 UTC, committed by Linus Torvalds on 20 August 2010, 16:34:55 UTC
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>
1 parent f2e41e9
Tip revision: d5ed3a4af77b851b6271ad3d9abc4c57fa3ce0f5 authored by Jan Kara on 19 August 2010, 21:13:33 UTC
lib/radix-tree.c: fix overflow in radix_tree_range_tag_if_tagged()
lib/radix-tree.c: fix overflow in radix_tree_range_tag_if_tagged()
Tip revision: d5ed3a4
| File | Mode | Size |
|---|---|---|
| Kconfig | -rw-r--r-- | 1.2 KB |
| Makefile | -rw-r--r-- | 248 bytes |
| alloc.c | -rw-r--r-- | 21.2 KB |
| alloc.h | -rw-r--r-- | 3.5 KB |
| bmap.c | -rw-r--r-- | 13.9 KB |
| bmap.h | -rw-r--r-- | 7.9 KB |
| btnode.c | -rw-r--r-- | 8.5 KB |
| btnode.h | -rw-r--r-- | 2.0 KB |
| btree.c | -rw-r--r-- | 59.6 KB |
| btree.h | -rw-r--r-- | 2.7 KB |
| cpfile.c | -rw-r--r-- | 25.1 KB |
| cpfile.h | -rw-r--r-- | 1.7 KB |
| dat.c | -rw-r--r-- | 12.3 KB |
| dat.h | -rw-r--r-- | 2.4 KB |
| dir.c | -rw-r--r-- | 17.6 KB |
| direct.c | -rw-r--r-- | 8.9 KB |
| direct.h | -rw-r--r-- | 1.5 KB |
| file.c | -rw-r--r-- | 4.1 KB |
| gcdat.c | -rw-r--r-- | 2.8 KB |
| gcinode.c | -rw-r--r-- | 8.1 KB |
| ifile.c | -rw-r--r-- | 4.9 KB |
| ifile.h | -rw-r--r-- | 1.7 KB |
| inode.c | -rw-r--r-- | 22.6 KB |
| ioctl.c | -rw-r--r-- | 17.0 KB |
| mdt.c | -rw-r--r-- | 14.4 KB |
| mdt.h | -rw-r--r-- | 3.6 KB |
| namei.c | -rw-r--r-- | 10.8 KB |
| nilfs.h | -rw-r--r-- | 10.7 KB |
| page.c | -rw-r--r-- | 13.9 KB |
| page.h | -rw-r--r-- | 2.5 KB |
| recovery.c | -rw-r--r-- | 24.5 KB |
| sb.h | -rw-r--r-- | 2.9 KB |
| segbuf.c | -rw-r--r-- | 14.0 KB |
| segbuf.h | -rw-r--r-- | 6.2 KB |
| segment.c | -rw-r--r-- | 74.9 KB |
| segment.h | -rw-r--r-- | 8.1 KB |
| sufile.c | -rw-r--r-- | 18.5 KB |
| sufile.h | -rw-r--r-- | 4.7 KB |
| super.c | -rw-r--r-- | 32.8 KB |
| the_nilfs.c | -rw-r--r-- | 23.9 KB |
| the_nilfs.h | -rw-r--r-- | 10.4 KB |
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