fuzzing: thread 'main' panicked at 'Duration::seconds out of bounds'

[sylvestre]

Code:

fn main() {
let _ = parse_datetime::from_str("8888888888888h");
}

Backtrace:

thread 'main' panicked at 'Duration::seconds out of bounds', /home/sylvestre/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.26/src/oldtime.rs:121:13
stack backtrace:
   0: rust_begin_unwind
             at /rustc/8460ca823e8367a30dda430efda790588b8c84d3/library/std/src/panicking.rs:575:5
   1: core::panicking::panic_fmt
             at /rustc/8460ca823e8367a30dda430efda790588b8c84d3/library/core/src/panicking.rs:64:14
   2: chrono::oldtime::Duration::seconds
             at /home/sylvestre/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.26/src/oldtime.rs:121:13
   3: chrono::oldtime::Duration::hours
             at /home/sylvestre/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.26/src/oldtime.rs:100:9
   4: parse_datetime::from_str_at_date
             at /home/sylvestre/.cargo/registry/src/github.com-1ecc6299db9ec823/parse_datetime-0.4.0/src/lib.rs:166:39
   5: parse_datetime::from_str
             at /home/sylvestre/.cargo/registry/src/github.com-1ecc6299db9ec823/parse_datetime-0.4.0/src/lib.rs:95:5
   6: b::main
             at ./src/main.rs:2:9
   7: core::ops::function::FnOnce::call_once
             at /rustc/8460ca823e8367a30dda430efda790588b8c84d3/library/core/src/ops/function.rs:250:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

[undali]

Hi @sylvestre ,
Could you please give me an idea?|
The panic has happening on external crates.
Should we add check before calling the chrono functions?

[sylvestre]

or handle the panic in our crate :)

[undali]

@sylvestre Thanks!
I've created a pull request.