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authorMark Brown <[email protected]>2015-10-12 18:09:27 +0100
committerMark Brown <[email protected]>2015-10-12 18:09:27 +0100
commit79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch)
tree5e0fa7156acb75ba603022bc807df8f2fedb97a8 /fs/ext4/crypto_fname.c
parent721b51fcf91898299d96f4b72cb9434cda29dce6 (diff)
parent8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff)
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'fs/ext4/crypto_fname.c')
-rw-r--r--fs/ext4/crypto_fname.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ext4/crypto_fname.c b/fs/ext4/crypto_fname.c
index 7dc4eb55913c..847f919c84d9 100644
--- a/fs/ext4/crypto_fname.c
+++ b/fs/ext4/crypto_fname.c
@@ -19,7 +19,6 @@
#include <linux/gfp.h>
#include <linux/kernel.h>
#include <linux/key.h>
-#include <linux/key.h>
#include <linux/list.h>
#include <linux/mempool.h>
#include <linux/random.h>
@@ -329,6 +328,10 @@ int _ext4_fname_disk_to_usr(struct inode *inode,
return oname->len;
}
}
+ if (iname->len < EXT4_CRYPTO_BLOCK_SIZE) {
+ EXT4_ERROR_INODE(inode, "encrypted inode too small");
+ return -EUCLEAN;
+ }
if (EXT4_I(inode)->i_crypt_info)
return ext4_fname_decrypt(inode, iname, oname);