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 <ebigg...@google.com>
---
fs/f2fs/namei.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index afd5633..5b4733e 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -1010,7 +1010,6 @@ static const char *f2fs_encrypted_get_link(struct dentry
*dentry,
struct fscrypt_str cstr = FSTR_INIT(NULL, 0);
struct fscrypt_str pstr = FSTR_INIT(NULL, 0);
struct fscrypt_symlink_data *sd;
- loff_t size = min_t(loff_t, i_size_read(inode), PAGE_SIZE - 1);
u32 max_size = inode->i_sb->s_blocksize;
int res;
@@ -1025,7 +1024,6 @@ static const char *f2fs_encrypted_get_link(struct dentry
*dentry,
if (IS_ERR(cpage))
return ERR_CAST(cpage);
caddr = page_address(cpage);
- caddr[size] = 0;
/* Symlink is encrypted */
sd = (struct fscrypt_symlink_data *)caddr;
--
2.8.0.rc3.226.g39d4020
------------------------------------------------------------------------------
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