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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-19 08:23:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-19 08:23:53 -0800 |
| commit | e93b1cc8a8965da137ffea0b88e5f62fa1d2a9e6 (patch) | |
| tree | 9757e9167daff086a314b031429d9b65a39b96bc /fs/ext2/inode.c | |
| parent | 45d36906e256fe9f8e976461b4c559722c3cbe2a (diff) | |
| parent | 2700e6067c72a99d1b7037692da0145ac44623c4 (diff) | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota, fsnotify and ext2 updates from Jan Kara:
"Changes to locking of some quota operations from dedicated quota mutex
to s_umount semaphore, a fsnotify fix and a simple ext2 fix"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Fix bogus warning in dquot_disable()
fsnotify: Fix possible use-after-free in inode iteration on umount
ext2: reject inodes with negative size
quota: Remove dqonoff_mutex
ocfs2: Use s_umount for quota recovery protection
quota: Remove dqonoff_mutex from dquot_scan_active()
ocfs2: Protect periodic quota syncing with s_umount semaphore
quota: Use s_umount protection for quota operations
quota: Hold s_umount in exclusive mode when enabling / disabling quotas
fs: Provide function to get superblock with exclusive s_umount
Diffstat (limited to 'fs/ext2/inode.c')
| -rw-r--r-- | fs/ext2/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index e173afe92661..0093ea2512a8 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1478,6 +1478,10 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino) inode->i_size |= ((__u64)le32_to_cpu(raw_inode->i_size_high)) << 32; else ei->i_dir_acl = le32_to_cpu(raw_inode->i_dir_acl); + if (i_size_read(inode) < 0) { + ret = -EFSCORRUPTED; + goto bad_inode; + } ei->i_dtime = 0; inode->i_generation = le32_to_cpu(raw_inode->i_generation); ei->i_state = 0; |