diff options
| author | Todd Kjos <tkjos@google.com> | 2020-11-20 15:37:43 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-30 11:54:09 +0100 |
| commit | 06da7fff770170eb140a47fbf11b87189bf360d2 (patch) | |
| tree | 39e9f93567b6b9373cf74a5f6e4aa344daa53fc8 /include/uapi | |
| parent | 983e7f3521f1442bc5629760b2008ebae676fcbc (diff) | |
binder: add flag to clear buffer on txn complete
commit 0f966cba95c78029f491b433ea95ff38f414a761 upstream.
Add a per-transaction flag to indicate that the buffer
must be cleared when the transaction is complete to
prevent copies of sensitive data from being preserved
in memory.
Signed-off-by: Todd Kjos <tkjos@google.com>
Link: https://lore.kernel.org/r/20201120233743.3617529-1-tkjos@google.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/android/binder.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h index f1ce2c4c077e..ec84ad106568 100644 --- a/include/uapi/linux/android/binder.h +++ b/include/uapi/linux/android/binder.h @@ -248,6 +248,7 @@ enum transaction_flags { TF_ROOT_OBJECT = 0x04, /* contents are the component's root object */ TF_STATUS_CODE = 0x08, /* contents are a 32-bit status code */ TF_ACCEPT_FDS = 0x10, /* allow replies with file descriptors */ + TF_CLEAR_BUF = 0x20, /* clear buffer on txn complete */ }; struct binder_transaction_data { |