binder: add flag to clear buffer on txn complete

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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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Todd Kjos 2020-11-20 15:37:43 -08:00 • committed by Greg Kroah-Hartman

parent d1b928ee1c

commit 0f966cba95

4 changed files with 53 additions and 1 deletions

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include/uapi/linux/android/binder.h

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