diff options
Diffstat (limited to 'source/k/linux-4.4.14.ecryptfs.regression.diff')
| -rw-r--r-- | source/k/linux-4.4.14.ecryptfs.regression.diff | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/source/k/linux-4.4.14.ecryptfs.regression.diff b/source/k/linux-4.4.14.ecryptfs.regression.diff new file mode 100644 index 00000000..946ddda4 --- /dev/null +++ b/source/k/linux-4.4.14.ecryptfs.regression.diff @@ -0,0 +1,37 @@ +From: Tyler Hicks <tyhicks <at> canonical.com> +Subject: [PATCH] eCryptfs: Fix directory open regression in linux-stable +Newsgroups: gmane.comp.file-systems.ecryptfs.general, gmane.linux.kernel.stable +Date: 2016-06-29 03:39:41 GMT (18 hours and 6 minutes ago) + +Cherry-picking mainline commit 2f36db71009304b3f0b95afacd8eba1f9f046b87 +introduces a regression in eCryptfs when mainline commit +6a480a7842545ec520a91730209ec0bae41694c1 (4.6+) is not present. The +regression causes all attempts at opening directory files to fail with +EMEDIUMTYPE when the lower filesystem's file_operations for directory +files do not implement mmap. + +This is a simple fix that allows the check for the lower file's mmap +implementation to be ignored if the lower file is a directory. + +Signed-off-by: Tyler Hicks <tyhicks <at> canonical.com> +Tested-by: Tyler Hicks <tyhicks <at> canonical.com> # 4.4.y, 3.18.y +Cc: <stable <at> vger.kernel.org> # 4.5- +--- + fs/ecryptfs/kthread.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c +index e818f5a..b9faeab 100644 +--- a/fs/ecryptfs/kthread.c ++++ b/fs/ecryptfs/kthread.c + <at> <at> -171,7 +171,7 <at> <at> int ecryptfs_privileged_open(struct file **lower_file, + goto out; + } + have_file: +- if ((*lower_file)->f_op->mmap == NULL) { ++ if ((*lower_file)->f_op->mmap == NULL && !d_is_dir(lower_dentry)) { + fput(*lower_file); + *lower_file = NULL; + rc = -EMEDIUMTYPE; +-- +2.7.4 |