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ANDROID: Incremental fs: Fix selinux issues

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Bug: 177075428
Test: incfs_test passes
      atest GtsIncrementalInstallTestCases has only 8 failures
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I73accfc1982aec1cd7947996c25a23e4a97cfdac
This commit is contained in:
Paul Lawrence 2021-01-08 13:00:43 -08:00
parent 28688d32ed
commit 75c93eb439
1 changed files with 7 additions and 4 deletions
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11
fs/incfs/vfs.c
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@ -898,7 +898,7 @@ static int init_new_file(struct mount_info *mi, struct dentry *dentry,
.dentry = dentry
};
new_file = dentry_open(&path, O_RDWR | O_NOATIME | O_LARGEFILE,
mi->mi_owner);
current_cred());
if (IS_ERR(new_file)) {
error = PTR_ERR(new_file);
@ -1026,7 +1026,7 @@ static int dir_relative_path_resolve(
if (dir_fd < 0)
return dir_fd;
dir_f = dentry_open(base_path, O_RDONLY | O_NOATIME, mi->mi_owner);
dir_f = dentry_open(base_path, O_RDONLY | O_NOATIME, current_cred());
if (IS_ERR(dir_f)) {
error = PTR_ERR(dir_f);
@ -1904,10 +1904,13 @@ static int file_open(struct inode *inode, struct file *file)
struct file *backing_file = NULL;
struct path backing_path = {};
int err = 0;
const struct cred *old_cred;
get_incfs_backing_path(file->f_path.dentry, &backing_path);
backing_file = dentry_open(
&backing_path, O_RDWR | O_NOATIME | O_LARGEFILE, mi->mi_owner);
old_cred = override_creds(mi->mi_owner);
backing_file = dentry_open(&backing_path,
O_RDWR | O_NOATIME | O_LARGEFILE, current_cred());
revert_creds(old_cred);
path_put(&backing_path);
if (IS_ERR(backing_file)) {