Null-terminating the fscrypt_symlink_data on read is unnecessary because
it is not string data --- it contains binary ciphertext.
Signed-off-by: Eric Biggers
---
fs/ext4/symlink.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c
index 0a26cbd..fdf1c61 100644
--- a/fs/ext4/symlink.c
+++ b/fs/ext4/symlink.c
@@ -30,7 +30,6 @@ static const char *ext4_encrypted_get_link(struct dentry
*dentry,
char *caddr, *paddr = NULL;
struct fscrypt_str cstr, pstr;
struct fscrypt_symlink_data *sd;
- loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1);
int res;
u32 max_size = inode->i_sb->s_blocksize;
@@ -49,7 +48,6 @@ static const char *ext4_encrypted_get_link(struct dentry
*dentry,
if (IS_ERR(cpage))
return ERR_CAST(cpage);
caddr = page_address(cpage);
- caddr[size] = 0;
}
/* Symlink is encrypted */
--
2.8.0.rc3.226.g39d4020
--
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