Panic on attempt to multiply with overflow

[daniellockyer]

Found using cargo-fuzz.

Input:

\x8a\x8f\xff`J\xb4\xc0

Test program:

extern crate adsb;

fn main() {
    let data : &[u8] = b"\x8a\x8f\xff`J\xb4\xc0";
    let _ = adsb::parse_binary(data);
}

thread 'main' panicked at 'attempt to multiply with overflow', src/parser.rs:44:10
stack backtrace:
   0: backtrace::backtrace::libunwind::trace
             at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
   1: backtrace::backtrace::trace_unsynchronized
             at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
   2: std::sys_common::backtrace::_print
             at src/libstd/sys_common/backtrace.rs:47
   3: std::sys_common::backtrace::print
             at src/libstd/sys_common/backtrace.rs:36
   4: std::panicking::default_hook::{{closure}}
             at src/libstd/panicking.rs:200
   5: std::panicking::default_hook
             at src/libstd/panicking.rs:214
   6: std::panicking::rust_panic_with_hook
             at src/libstd/panicking.rs:477
   7: std::panicking::continue_panic_fmt
             at src/libstd/panicking.rs:384
   8: rust_begin_unwind
             at src/libstd/panicking.rs:311
   9: core::panicking::panic_fmt
             at src/libcore/panicking.rs:85
  10: core::panicking::panic
             at src/libcore/panicking.rs:49
  11: adsb::parser::parse_altitude
             at src/parser.rs:44
  12: adsb::parser::parse_airborne_position
             at ./<::nom::macros::named macros>:13
  13: adsb::parser::parse_adsb_message_kind
             at ./<::nom::macros::named macros>:13
  14: adsb::parser::parse_adsb_message
             at ./<::nom::macros::named macros>:13
  15: adsb::parser::parse_message_kind
             at ./<::nom::macros::named macros>:13
  16: adsb::parser::parse_message
             at ./<::nom::macros::named macros>:13
  17: adsb::parser::parse_binary
             at src/parser.rs:181
  18: a::main
             at examples/a.rs:5
  19: std::rt::lang_start::{{closure}}
             at /rustc/17e62f77f954bed97aae839624bfd6dd68342daf/src/libstd/rt.rs:64
  20: std::rt::lang_start_internal::{{closure}}
             at src/libstd/rt.rs:49
  21: std::panicking::try::do_call
             at src/libstd/panicking.rs:296
  22: __rust_maybe_catch_panic
             at src/libpanic_unwind/lib.rs:82
  23: std::panicking::try
             at src/libstd/panicking.rs:275
  24: std::panic::catch_unwind
             at src/libstd/panic.rs:388
  25: std::rt::lang_start_internal
             at src/libstd/rt.rs:48
  26: std::rt::lang_start
             at /rustc/17e62f77f954bed97aae839624bfd6dd68342daf/src/libstd/rt.rs:64
  27: main
  28: __libc_start_main
  29: _start