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authorDan Carpenter <dan.carpenter@oracle.com>2017-08-05 19:00:31 -0400
committerMoyster <oysterized@gmail.com>2017-08-12 12:17:24 +0200
commit044449c841b6885ebff0608502da0019bda42799 (patch)
tree9fddbb2efaa29a8fa3bc871fffcff4b5ebb67184 /fs/ext4
parent79d015e832887b3e195f5dd030299bd961c34ff8 (diff)
ext4: silence array overflow warning
I get a static checker warning: fs/ext4/ext4.h:3091 ext4_set_de_type() error: buffer overflow 'ext4_type_by_mode' 15 <= 15 It seems unlikely that we would hit this read overflow in real life, but it's also simple enough to make the array 16 bytes instead of 15. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/ext4.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 7dafa4840..c902d4430 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2922,7 +2922,7 @@ extern int ext4_handle_dirty_dirent_node(handle_t *handle,
struct inode *inode,
struct buffer_head *bh);
#define S_SHIFT 12
-static unsigned char ext4_type_by_mode[S_IFMT >> S_SHIFT] = {
+static unsigned char ext4_type_by_mode[(S_IFMT >> S_SHIFT) + 1] = {
[S_IFREG >> S_SHIFT] = EXT4_FT_REG_FILE,
[S_IFDIR >> S_SHIFT] = EXT4_FT_DIR,
[S_IFCHR >> S_SHIFT] = EXT4_FT_CHRDEV,