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authorTheodore Ts'o <tytso@mit.edu>2018-12-31 22:34:31 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-16 22:03:26 +0100
commit096909af76066819a8e4a9880799b4969e519007 (patch)
tree25989e990e785631cbf674e48ebd285a21212002
parent06c8f57914752e8ce8902bc8e642d79bbb15abc7 (diff)
ext4: fix special inode number checks in __ext4_iget()
commit 191ce17876c9367819c4b0a25b503c0f6d9054d8 upstream. The check for special (reserved) inode number checks in __ext4_iget() was broken by commit 8a363970d1dc: ("ext4: avoid declaring fs inconsistent due to invalid file handles"). This was caused by a botched reversal of the sense of the flag now known as EXT4_IGET_SPECIAL (when it was previously named EXT4_IGET_NORMAL). Fix the logic appropriately. Fixes: 8a363970d1dc ("ext4: avoid declaring fs inconsistent...") Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/ext4/inode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 165ff331d998..34d7e0703cc6 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4834,7 +4834,7 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
gid_t i_gid;
projid_t i_projid;
- if (((flags & EXT4_IGET_NORMAL) &&
+ if ((!(flags & EXT4_IGET_SPECIAL) &&
(ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO)) ||
(ino < EXT4_ROOT_INO) ||
(ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count))) {