• David Howells's avatar
    rxrpc: Trace protocol errors in received packets · fb46f6ee
    David Howells authored
    Add a tracepoint (rxrpc_rx_proto) to record protocol errors in received
    packets.  The following changes are made:
     (1) Add a function, __rxrpc_abort_eproto(), to note a protocol error on a
         call and mark the call aborted.  This is wrapped by
         rxrpc_abort_eproto() that makes the why string usable in trace.
     (2) Add trace_rxrpc_rx_proto() or rxrpc_abort_eproto() to protocol error
         generation points, replacing rxrpc_abort_call() with the latter.
     (3) Only send an abort packet in rxkad_verify_packet*() if we actually
         managed to abort the call.
    Note that a trace event is also emitted if a kernel user (e.g. afs) tries
    to send data through a call when it's not in the transmission phase, though
    it's not technically a receive event.
    Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
insecure.c 2.27 KB