53 Commits

Author	SHA1	Message	Date
Todd Kjos	53d311cfa1	binder: protect against two threads freeing buffer ... Adds protection against malicious user code freeing the same buffer at the same time which could cause a crash. Cannot happen under normal use. Signed-off-by: Todd Kjos <tkjos@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2017-07-17 14:47:29 +02:00
Todd Kjos	57ada2fb22	binder: add log information for binder transaction failures ... Add additional information to determine the cause of binder failures. Adds the following to failed transaction log and kernel messages: return_error : value returned for transaction return_error_param : errno returned by binder allocator return_error_line : line number where error detected Also, return BR_DEAD_REPLY if an allocation error indicates a dead proc (-ESRCH) Signed-off-by: Todd Kjos <tkjos@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2017-07-17 14:47:29 +02:00
Todd Kjos	0c972a05cd	binder: move binder_alloc to separate file ... Move the binder allocator functionality to its own file Continuation of splitting the binder allocator from the binder driver. Split binder_alloc functions from normal binder functions. Add kernel doc comments to functions declared extern in binder_alloc.h Signed-off-by: Todd Kjos <tkjos@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>	2017-07-17 14:47:29 +02:00