Suren Baghdasaryan e285d5bfb7 NFC: Fix the number of pipes ... According to ETSI TS 102 622 specification chapter 4.4 pipe identifier is 7 bits long which allows for 128 unique pipe IDs. Because NFC_HCI_MAX_PIPES is used as the number of pipes supported and not as the max pipe ID, its value should be 128 instead of 127. nfc_hci_recv_from_llc extracts pipe ID from packet header using NFC_HCI_FRAGMENT(0x7F) mask which allows for pipe ID value of 127. Same happens when NCI_HCP_MSG_GET_PIPE() is being used. With pipes array having only 127 elements and pipe ID of 127 the OOB memory access will result. Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Allen Pais <allen.pais@oracle.com> Cc: "David S. Miller" <davem@davemloft.net> Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Suren Baghdasaryan <surenb@google.com> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-09-18 19:55:01 -07:00
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digital.h
hci.h
llc.h
nci_core.h
nci.h
nfc.h