binder: add flag to clear buffer on txn complete
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>
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- drivers/android/binder.c 1 addition, 0 deletionsdrivers/android/binder.c
- drivers/android/binder_alloc.c 48 additions, 0 deletionsdrivers/android/binder_alloc.c
- drivers/android/binder_alloc.h 3 additions, 1 deletiondrivers/android/binder_alloc.h
- include/uapi/linux/android/binder.h 1 addition, 0 deletionsinclude/uapi/linux/android/binder.h
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