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| author | Jeff Mahoney <jeffm@suse.com> | 2016-07-05 23:32:30 +0200 |
|---|---|---|
| committer | Tyler Hicks <tyhicks@canonical.com> | 2016-07-08 17:35:28 +0200 |
| commit | f0fe970df3838c202ef6c07a4c2b36838ef0a88b (patch) | |
| tree | f9556752b553050c87aef3172147f94e242778a9 /fs/tracefs | |
| parent | Revert "ecryptfs: forbid opening files without mmap handler" (diff) | |
| download | linux-f0fe970df3838c202ef6c07a4c2b36838ef0a88b.tar.xz linux-f0fe970df3838c202ef6c07a4c2b36838ef0a88b.zip | |
ecryptfs: don't allow mmap when the lower fs doesn't support it
There are legitimate reasons to disallow mmap on certain files, notably
in sysfs or procfs. We shouldn't emulate mmap support on file systems
that don't offer support natively.
CVE-2016-1583
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Cc: stable@vger.kernel.org
[tyhicks: clean up f_op check by using ecryptfs_file_to_lower()]
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Diffstat (limited to 'fs/tracefs')
0 files changed, 0 insertions, 0 deletions