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authorTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-05-24 03:49:02 -0500
committerTyler Hicks <tyhicks@linux.vnet.ibm.com>2011-05-29 14:23:39 -0500
commit3b06b3ebf44170c90c893c6c80916db6e922b9f2 (patch)
tree1da70b311ad7ec7615f3d44ae269ca56a458fc2d /fs/ecryptfs/crypto.c
parent5ccf92037c7c6e6f28175fd245284923f939259f (diff)
downloadop-kernel-dev-3b06b3ebf44170c90c893c6c80916db6e922b9f2.zip
op-kernel-dev-3b06b3ebf44170c90c893c6c80916db6e922b9f2.tar.gz
eCryptfs: Fix new inode race condition
Only unlock and d_add() new inodes after the plaintext inode size has been read from the lower filesystem. This fixes a race condition that was sometimes seen during a multi-job kernel build in an eCryptfs mount. https://bugzilla.kernel.org/show_bug.cgi?id=36002 Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com> Reported-by: David <david@unsolicited.net> Tested-by: David <david@unsolicited.net>
Diffstat (limited to 'fs/ecryptfs/crypto.c')
-rw-r--r--fs/ecryptfs/crypto.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index b8d5c80..f48c498 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1568,11 +1568,11 @@ out:
}
int ecryptfs_read_and_validate_xattr_region(char *page_virt,
- struct dentry *ecryptfs_dentry)
+ struct inode *inode)
{
int rc;
- rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_dentry->d_inode);
+ rc = ecryptfs_read_xattr_region(page_virt, inode);
if (rc)
goto out;
if (!contains_ecryptfs_marker(page_virt + ECRYPTFS_FILE_SIZE_BYTES)) {
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