Skip to content

panic with empty buffer as argument: NonNull::new_unchecked requires that the pointer is non-null #2085

@mischnic

Description

@mischnic

In this example, passing a zero-size buffer causes a panic (non-empty buffers work fine).
I suspect this is a regression between 2.12.6 and 2.16.4 when upgrading napi-rs in Parcel.

Reproduction (not sure if actually minimal, maybe serde isn't necessary): https://github.com/mischnic/napi-issue-buffer-crash
This is with Node 20

   0: rust_begin_unwind
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/std/src/panicking.rs:645:5
   1: core::panicking::panic_nounwind_fmt::runtime
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:110:18
   2: core::panicking::panic_nounwind_fmt
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:123:9
   3: core::panicking::panic_nounwind
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/panicking.rs:156:5
   4: core::ptr::non_null::NonNull<T>::new_unchecked::precondition_check
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/intrinsics.rs:2799:21
   5: core::ptr::non_null::NonNull<T>::new_unchecked
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ptr/non_null.rs:220:13
   6: core::ptr::unique::Unique<T>::new_unchecked
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/ptr/unique.rs:89:36
   7: alloc::raw_vec::RawVec<T,A>::from_raw_parts_in
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/raw_vec.rs:250:30
   8: alloc::vec::Vec<T,A>::from_raw_parts_in
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/vec/mod.rs:820:29
   9: alloc::vec::Vec<T>::from_raw_parts
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/alloc/src/vec/mod.rs:604:18
  10: napi::js_values::buffer::JsBufferValue::from_raw
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/js_values/buffer.rs:74:45
  11: <&mut napi::js_values::de::De as serde::de::Deserializer>::deserialize_byte_buf
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/js_values/de.rs:89:26
  12: <serde_bytes::bytebuf::ByteBuf as serde::de::Deserialize>::deserialize
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde_bytes-0.11.14/src/bytebuf.rs:251:9
  13: <serde_bytes::bytebuf::ByteBuf as serde_bytes::de::Deserialize>::deserialize
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde_bytes-0.11.14/src/de.rs:113:9
  14: <alloc::vec::Vec<u8> as serde_bytes::de::Deserialize>::deserialize
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde_bytes-0.11.14/src/de.rs:52:9
  15: serde_bytes::deserialize
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde_bytes-0.11.14/src/lib.rs:121:5
  16: <<napi_buffer_crash::_::<impl serde::de::Deserialize for napi_buffer_crash::Config>::deserialize::__Visitor as serde::de::Visitor>::visit_map::__DeserializeWith as serde::de::Deserialize>::deserialize
             at ./src/lib.rs:6:28
  17: <core::marker::PhantomData<T> as serde::de::DeserializeSeed>::deserialize
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.200/src/de/mod.rs:794:9
  18: <napi::js_values::de::JsObjectAccess as serde::de::MapAccess>::next_value_seed
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/js_values/de.rs:365:15
  19: serde::de::MapAccess::next_value
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.200/src/de/mod.rs:1867:9
  20: <&mut A as serde::de::MapAccess>::next_value
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.200/src/de/mod.rs:1948:9
  21: <napi_buffer_crash::_::<impl serde::de::Deserialize for napi_buffer_crash::Config>::deserialize::__Visitor as serde::de::Visitor>::visit_map
             at ./src/lib.rs:6:28
  22: <&mut napi::js_values::de::De as serde::de::Deserializer>::deserialize_any
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/js_values/de.rs:53:11
  23: <&mut napi::js_values::de::De as serde::de::Deserializer>::deserialize_struct
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.200/src/macros.rs:133:13
  24: napi_buffer_crash::_::<impl serde::de::Deserialize for napi_buffer_crash::Config>::deserialize
             at ./src/lib.rs:6:28
  25: napi::env::Env::from_js_value
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/env.rs:1336:5
  26: napi_buffer_crash::transform
             at ./src/lib.rs:15:26
  27: napi_buffer_crash::__napi__transform::{{closure}}::{{closure}}
             at ./src/lib.rs:13:1
  28: napi::bindgen_prelude::within_runtime_if_available
             at /Users/niklas/.cargo/registry/src/index.crates.io-6f17d22bba15001f/napi-2.16.4/src/lib.rs:162:5
  29: napi_buffer_crash::__napi__transform::{{closure}}
             at ./src/lib.rs:13:1
  30: core::result::Result<T,E>::and_then
             at /rustc/9b00956e56009bab2aa15d7bff10916599e3d6d6/library/core/src/result.rs:1321:22
  31: napi_buffer_crash::__napi__transform
             at ./src/lib.rs:13:1

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions