p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ext4: fix an endianness bug in ext4_encrypted_follow_link() 

applying le32_to_cpu() to 16bit value is a bad idea...
    
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Al Viro 2015-11-26 15:20:50 -05:00 committed by Theodore Ts'o
parent e2c9e0b28e
commit 5a1c7f47da
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/ext4/symlink.c
View File

@ -52,7 +52,7 @@ static const char *ext4_encrypted_follow_link(struct dentry *dentry, void **cook
/* Symlink is encrypted */
sd = (struct ext4_encrypted_symlink_data *)caddr;
cstr.name = sd->encrypted_path;
cstr.len = le32_to_cpu(sd->len);
cstr.len = le16_to_cpu(sd->len);
if ((cstr.len +
sizeof(struct ext4_encrypted_symlink_data) - 1) >
max_size) {