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    openSUSE: 2020:0945-1: moderate: rust, rust-cbindgen

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    An update that solves one vulnerability and has two fixes is now available.
       openSUSE Security Update: Security update for rust, rust-cbindgen
    Announcement ID:    openSUSE-SU-2020:0945-1
    Rating:             moderate
    References:         #1115645 #1154817 #1173202 
    Cross-References:   CVE-2020-1967
    Affected Products:
                        openSUSE Leap 15.2
       An update that solves one vulnerability and has two fixes
       is now available.
       This update for rust, rust-cbindgen fixes the following issues:
       rust was updated for use by Firefox 76ESR.
       - Fixed miscompilations with rustc 1.43 that lead to LTO failures
       Update to version 1.43.1
       - Updated openssl-src to 1.1.1g for CVE-2020-1967.
       - Fixed the stabilization of AVX-512 features.
       - Fixed `cargo package --list` not working with unpublished dependencies.
       Update to version 1.43.0
       + Language:
       - Fixed using binary operations with `&{number}` (e.g. `&1.0`) not having
         the type inferred correctly.
       - Attributes such as `#[cfg()]` can now be used on `if` expressions.
       - Syntax only changes:
         * Allow `type Foo: Ord` syntactically.
         * Fuse associated and extern items up to defaultness.
         * Syntactically allow `self` in all `fn` contexts.
         * Merge `fn` syntax + cleanup item parsing.
         * `item` macro fragments can be interpolated into `trait`s, `impl`s, and
           `extern` blocks. For example, you may now write: ```rust macro_rules!
           mac_trait { ($i:item) => { trait T { $i } } } mac_trait! { fn foo() {}
           } ```
         * These are still rejected *semantically*, so you will likely receive an
           error but these changes can be seen and parsed by macros and
           conditional compilation.
       + Compiler
       - You can now pass multiple lint flags to rustc to override the previous
         For example; `rustc -D unused -A unused-variables` denies everything in
       the `unused` lint group except `unused-variables` which is explicitly
       allowed. However, passing `rustc -A unused-variables -D unused` denies
       everything in the `unused` lint group **including** `unused-variables`
       since the allow flag is specified before the deny flag (and therefore
       - rustc will now prefer your system MinGW libraries over its bundled
         libraries if they are available on `windows-gnu`.
       - rustc now buffers errors/warnings printed in JSON.
       - `Arc<[T; N]>`, `Box<[T; N]>`, and `Rc<[T; N]>`, now implement
         `TryFrom>`,`TryFrom>`, and `TryFrom>`
         **Note** These conversions are only available when `N` is `0..=32`.
       - You can now use associated constants on floats and integers directly,
         rather than having to import the module. e.g. You can now write
         `u32::MAX` or `f32::NAN` with no imports.
       - `u8::is_ascii` is now `const`.
       - `String` now implements `AsMut`.
       - Added the `primitive` module to `std` and `core`. This module reexports
         Rust's primitive types. This is mainly useful in macros where you want
         avoid these types being shadowed.
       - Relaxed some of the trait bounds on `HashMap` and `HashSet`.
       - `string::FromUtf8Error` now implements `Clone + Eq`.
       + Stabilized APIs
       - `Once::is_completed`
       - `f32::LOG10_2`
       - `f32::LOG2_10`
       - `f64::LOG10_2`
       - `f64::LOG2_10`
       - `iter::once_with`
       + Cargo
         - You can now set config `[profile]`s in your `.cargo/config`,
           or through your environment.
         - Cargo will now set `CARGO_BIN_EXE_` pointing to a binary's
           executable path when running integration tests or benchmarks. ``
           is the name of your binary as-is e.g. If you wanted the executable
           path for a binary named `my-program`you would use
       + Misc
         - Certain checks in the `const_err` lint were deemed unrelated to const
           evaluation, and have been moved to the `unconditional_panic` and
           `arithmetic_overflow` lints.
       + Compatibility Notes
         - Having trailing syntax in the `assert!` macro is now a hard error.
           This has been a warning since 1.36.0.
         - Fixed `Self` not having the correctly inferred type. This incorrectly
           led to some instances being accepted, and now correctly emits a hard
       Update to version 1.42.0:
       + Language
         - You can now use the slice pattern syntax with subslices.
         - You can now use #[repr(transparent)] on univariant enums. Meaning that
           you can create an enum that has the exact layout and ABI of the type
           it contains.
         - There are some syntax-only changes:
           * default is syntactically allowed before items in trait definitions.
           * Items in impls (i.e. consts, types, and fns) may syntactically leave
             out their bodies in favor of ;.
           * Bounds on associated types in impls are now syntactically allowed
             (e.g. type Foo: Ord;).
           * ... (the C-variadic type) may occur syntactically directly as the
             type of any function parameter. These are still rejected
             semantically, so you will likely receive an error but these changes
             can be seen and parsed by procedural macros and conditional
       + Compiler
         - Added tier 2 support for armv7a-none-eabi.
         - Added tier 2 support for riscv64gc-unknown-linux-gnu.
         - Option::{expect,unwrap} and Result::{expect, expect_err, unwrap,
           unwrap_err} now produce panic messages pointing to the location where
           they were called, rather than core's internals. Refer to Rust's
           platform support page for more information on Rust's tiered platform
       + Libraries
         - iter::Empty now implements Send and Sync for any T.
         - Pin::{map_unchecked, map_unchecked_mut} no longer require the return
           type to implement Sized.
         - io::Cursor now derives PartialEq and Eq.
         - Layout::new is now const.
         - Added Standard Library support for riscv64gc-unknown-linux-gnu.
       + Stabilized APIs
         - CondVar::wait_while
         - CondVar::wait_timeout_while
         - DebugMap::key
         - DebugMap::value
         - ManuallyDrop::take
         - matches!
         - ptr::slice_from_raw_parts_mut
         - ptr::slice_from_raw_parts
       + Cargo
         - You no longer need to include extern crate proc_macro; to be able to
           use proc_macro; in the 2018 edition.
       + Compatibility Notes
         - Error::description has been deprecated, and its use will now produce a
           warning. It's recommended to use Display/to_string instead.
       Update to version 1.41.1:
         - Always check types of static items
         - Always check lifetime bounds of `Copy` impls
         - Fix miscompilation in callers of `Layout::repeat`
       Update to version 1.41.0:
       + Language
         - You can now pass type parameters to foreign items when implementing
           traits. E.g. You can now write `impl From for Vec {}`.
         - You can now arbitrarily nest receiver types in the `self` position.
           E.g. you can now write `fn foo(self: Box>) {}`. Previously
           only `Self`, `&Self`, `&mut Self`, `Arc`, `Rc`, and
           `Box` were allowed.
         - You can now use any valid identifier in a `format_args` macro.
           Previously identifiers starting with an underscore were not allowed.
         - Visibility modifiers (e.g. `pub`) are now syntactically allowed on
           trait items and enum variants. These are still rejected semantically,
           but can be seen and parsed by procedural macros and conditional
       + Compiler
         - Rustc will now warn if you have unused loop `'label`s.
         - Removed support for the `i686-unknown-dragonfly` target.
         - Added tier 3 support\* for the `riscv64gc-unknown-linux-gnu` target.
         - You can now pass an arguments file passing the `@path` syntax to
           rustc. Note that the format differs somewhat from what is found in
           other tooling; please see the documentation for more information.
         - You can now provide `--extern` flag without a path, indicating that it
           is available from the search path or specified with an `-L` flag.
         Refer to Rust's [platform support page][forge-platform-support] for more
       information on Rust's tiered platform support.
       + Libraries
         - The `core::panic` module is now stable. It was already stable through
         - `NonZero*` numerics now implement `From` if it's a smaller
           integer width. E.g. `NonZeroU16` now implements `From`.
         - `MaybeUninit` now implements `fmt::Debug`.
       + Stabilized APIs
         - `Result::map_or`
         - `Result::map_or_else`
         - `std::rc::Weak::weak_count`
         - `std::rc::Weak::strong_count`
         - `std::sync::Weak::weak_count`
         - `std::sync::Weak::strong_count`
       + Cargo
         - Cargo will now document all the private items for binary crates by
         - `cargo-install` will now reinstall the package if it detects that it
           is out
           of date.
         - Cargo.lock now uses a more git friendly format that should help to
           reduce merge conflicts.
         - You can now override specific dependencies's build settings. E.g.
           `[] opt-level = 2` sets the `image` crate's
           optimisation level to `2` for debug builds. You can also use
            `[]` to override build scripts and
            their dependencies.
       + Misc
         - You can now specify `edition` in documentation code blocks to compile
           the block for that edition. E.g. `edition2018` tells rustdoc that the
           code sample should be compiled the 2018 edition of Rust.
         - You can now provide custom themes to rustdoc with `--theme`, and check
           the current theme with `--check-theme`.
         - You can use `#[cfg(doc)]` to compile an item when building
       + Compatibility Notes
         - As previously announced 1.41.0 will be the last tier 1 release for
           32-bit Apple targets. This means that the source code is still
           available to build, but the targets are no longer being tested and
           release binaries for those platforms will no longer be distributed by
           the Rust project. Please refer to the linked blog post for more
       - Bump version of libssh2 for SLE15; we now need a version with
         libssh2_userauth_publickey_frommemory(), which appeared in libssh2 1.6.0.
       Update to version 1.40.0
       + Language
         - You can now use tuple `struct`s and tuple `enum` variant's
           constructors in `const` contexts. e.g. pub struct Point(i32, i32);
           const ORIGIN: Point = { let constructor = Point; constructor(0, 0) };
         - You can now mark `struct`s, `enum`s, and `enum` variants with the
           `#[non_exhaustive]` attribute to indicate that there may be variants
           or fields added in the future. For example this requires adding a
           wild-card branch (`_ => {}`) to any match statements on a
           non-exhaustive `enum`.
         - You can now use function-like procedural macros in `extern` blocks and
           in type positions. e.g. `type Generated = macro!();`
         - Function-like and attribute procedural macros can now emit
           `macro_rules!` items, so you can now have your macros generate macros.
         - The `meta` pattern matcher in `macro_rules!` now correctly matches the
           modern attribute syntax. For example `(#[$m:meta])` now matches
           `#[attr]`, `#[attr{tokens}]`, `#[attr[tokens]]`, and `#[attr(tokens)]`.
       + Compiler
         - Added tier 3 support\* for the `thumbv7neon-unknown-linux-musleabihf`
         - Added tier 3 support for the `aarch64-unknown-none-softfloat` target.
         - Added tier 3 support for the `mips64-unknown-linux-muslabi64`, and
           `mips64el-unknown-linux-muslabi64` targets.
       + Libraries
         - The `is_power_of_two` method on unsigned numeric types is now a
           `const` function.
       + Stabilized APIs
         - BTreeMap::get_key_value
         - HashMap::get_key_value
         - Option::as_deref_mut
         - Option::as_deref
         - Option::flatten
         - UdpSocket::peer_addr
         - f32::to_be_bytes
         - f32::to_le_bytes
         - f32::to_ne_bytes
         - f64::to_be_bytes
         - f64::to_le_bytes
         - f64::to_ne_bytes
         - f32::from_be_bytes
         - f32::from_le_bytes
         - f32::from_ne_bytes
         - f64::from_be_bytes
         - f64::from_le_bytes
         - f64::from_ne_bytes
         - mem::take
         - slice::repeat
         - todo!
       + Cargo
         - Cargo will now always display warnings, rather than only on fresh
         - Feature flags (except `--all-features`) passed to a virtual workspace
           will now produce an error. Previously these flags were ignored.
         - You can now publish `dev-dependencies` without including a `version`.
       + Misc
         - You can now specify the `#[cfg(doctest)]` attribute to include an item
           only when running documentation tests with `rustdoc`.
       + Compatibility Notes
         - As previously announced, any previous NLL warnings in the 2015 edition
           are now hard errors.
         - The `include!` macro will now warn if it failed to include the entire
           file. The `include!` macro unintentionally only includes the first
           _expression_ in a file, and this can be unintuitive. This will become
           either a hard error in a future release, or the behavior may be fixed
           to include all expressions as expected.
         - Using `#[inline]` on function prototypes and consts now emits a
           warning under `unused_attribute` lint. Using `#[inline]` anywhere else
           inside traits
           or `extern` blocks now correctly emits a hard error.
       Update to version 1.39.0
       + Language
         - You can now create async functions and blocks with async fn, async
           move {}, and async {} respectively, and you can now call .await on
           async expressions.
         - You can now use certain attributes on function, closure, and function
           pointer parameters.
         - You can now take shared references to bind-by-move patterns in the if
           guards of match arms.
       + Compiler
         - Added tier 3 support for the i686-unknown-uefi target.
         - Added tier 3 support for the sparc64-unknown-openbsd target.
         - rustc will now trim code snippets in diagnostics to fit in your
         - You can now pass --show-output argument to test binaries to print the
           output of successful tests.
       + For more details:
       - Switch to bundled version of libgit2 for now. libgit2-sys seems to
         expect using the bundled variant, which just seems to point to a
         snapshot of the master branch and doesn't match any released libgit2
         (bsc#1154817). See: and for details.
       Update to version 1.38.0
       + Language
         - The `#[global_allocator]` attribute can now be used in submodules.
         - The `#[deprecated]` attribute can now be used on macros.
       + Compiler
         - Added pipelined compilation support to `rustc`. This will improve
           compilation times in some cases.
       + Libraries
         - `ascii::EscapeDefault` now implements `Clone` and `Display`.
         - Derive macros for prelude traits (e.g. `Clone`, `Debug`, `Hash`) are
           now available at the same path as the trait. (e.g. The `Clone` derive
           macro is available at `std::clone::Clone`). This also makes all
           built-in macros available in `std`/`core` root. e.g.
         - `str::Chars` now implements `Debug`.
         - `slice::{concat, connect, join}` now accepts `&[T]` in addition to
         - `*const T` and `*mut T` now implement `marker::Unpin`.
         - `Arc<[T]>` and `Rc<[T]>` now implement `FromIterator`.
         - Added euclidean remainder and division operations (`div_euclid`,
           `rem_euclid`) to all numeric primitives. Additionally `checked`,
           `overflowing`, and `wrapping` versions are available for all integer
         - `thread::AccessError` now implements `Clone`, `Copy`, `Eq`, `Error`,
           and `PartialEq`.
         - `iter::{StepBy, Peekable, Take}` now implement `DoubleEndedIterator`.
       + Stabilized APIs
         - `<*const T>::cast`
         - `<*mut T>::cast`
         - `Duration::as_secs_f32`
         - `Duration::as_secs_f64`
         - `Duration::div_f32`
         - `Duration::div_f64`
         - `Duration::from_secs_f32`
         - `Duration::from_secs_f64`
         - `Duration::mul_f32`
         - `Duration::mul_f64`
         - `any::type_name`
       + Cargo
         - Added pipelined compilation support to `cargo`.
         - You can now pass the `--features` option multiple times to enable
           multiple features.
       + Misc
         - `rustc` will now warn about some incorrect uses of
           `mem::{uninitialized, zeroed}` that are known to cause undefined
       Update to version 1.37.0
         + Language
           - #[must_use] will now warn if the type is contained in a tuple, Box,
             or an array and unused.
           - You can now use the `cfg` and `cfg_attr` attributes on generic
           - You can now use enum variants through type alias. e.g. You can write
             the following: ``` type MyOption = Option; fn
             increment_or_zero(x: MyOption) -> u8 { match x { MyOption::Some(y)
             => y + 1, MyOption::None => 0, } } ```
           - You can now use `_` as an identifier for consts. e.g. You can write
             `const _: u32 = 5;`.
           - You can now use `#[repr(align(X)]` on enums.
           - The  `?` Kleene macro operator is now available in the 2015 edition.
         + Compiler
           - You can now enable Profile-Guided Optimization with the `-C
             profile-generate` and `-C profile-use` flags. For more information
             on how to use profile guided optimization, please refer to the rustc
           - The `rust-lldb` wrapper script should now work again.
         + Libraries
           - `mem::MaybeUninit` is now ABI-compatible with `T`.
         + Stabilized APIs
           - BufReader::buffer
           - BufWriter::buffer
           - Cell::from_mut
           - Cell<[T]>::as_slice_of_cells
           - Cell::as_slice_of_cells
           - DoubleEndedIterator::nth_back
           - Option::xor
           - Wrapping::reverse_bits
           - i128::reverse_bits
           - i16::reverse_bits
           - i32::reverse_bits
           - i64::reverse_bits
           - i8::reverse_bits
           - isize::reverse_bits
           - slice::copy_within
           - u128::reverse_bits
           - u16::reverse_bits
           - u32::reverse_bits
           - u64::reverse_bits
           - u8::reverse_bits
           - usize::reverse_bits
         + Cargo
           - Cargo.lock files are now included by default when publishing
             executable crates with executables.
           - You can now specify `default-run="foo"` in `[package]` to specify
             the default executable to use for `cargo run`.
           - cargo-vendor is now provided as a sub-command of cargo
         + Compatibility Notes
           - Using `...` for inclusive range patterns will now warn by default.
             Please transition your code to using the `..=` syntax for inclusive
             ranges instead.
           - Using a trait object without the `dyn` will now warn by default.
             Please transition your code to use `dyn Trait` for trait objects
             instead. Crab(String), Lobster(String), Person(String), let state =
             Creature::Crab("Ferris"); if let Creature::Crab(name) |
             Creature::Person(name) = state { println!("This creature's name is:
             {}", name); } unsafe { foo() } pub fn new(x: i32, y: i32) -> Self {
             Self(x, y) } pub fn is_origin(&self) -> bool { match self { Self(0,
             0) => true, _ => false, } } Self: PartialOrd // can write
             `Self` instead of `List` Nil, Cons(T, Box) // likewise here
             fn test(&self) { println!("one"); } //~ ERROR duplicate definitions
             with name `test` fn test(&self) { println!("two"); }
       * Basic procedural macros allowing custom `#[derive]`, aka "macros 1.1",
         are stable. This allows popular code-generating crates like Serde and
         Diesel to work ergonomically. [RFC 1681].
       * [Tuple structs may be empty. Unary and empty tuple structs may be
         instantiated with curly braces][36868]. Part of [RFC 1506].
       * [A number of minor changes to name resolution have been
         activated][37127]. They add up to more consistent semantics, allowing
         for future evolution of Rust macros. Specified in [RFC 1560], see its
         section on ["changes"] for details of what is different. The breaking
         changes here have been transitioned through the [`legacy_imports`] lint
         since 1.14, with no known regressions.
       * [In `macro_rules`, `path` fragments can now be parsed as type parameter
       * [`?Sized` can be used in `where` clauses][37791]
       * [There is now a limit on the size of monomorphized types and it can be
         modified with the `#![type_size_limit]` crate attribute, similarly to
         the `#![recursion_limit]` attribute][37789]
       * [On Windows, the compiler will apply dllimport attributes when linking
         to extern functions][37973]. Additional attributes and flags can control
         which library kind is linked and its name. [RFC 1717].
       * [Rust-ABI symbols are no longer exported from cdylibs][38117]
       * [The `--test` flag works with procedural macro crates][38107]
       * [Fix `extern "aapcs" fn` ABI][37814]
       * [The `-C no-stack-check` flag is deprecated][37636]. It does nothing.
       * [The `format!` expander recognizes incorrect `printf` and shell-style
         formatting directives and suggests the correct format][37613].
       * [Only report one error for all unused imports in an import list][37456]
       * [Avoid unnecessary `mk_ty` calls in `Ty::super_fold_with`][37705]
       * [Avoid more unnecessary `mk_ty` calls in `Ty::super_fold_with`][37979]
       * [Don't clone in `UnificationTable::probe`][37848]
       * [Remove `scope_auxiliary` to cut RSS by 10%][37764]
       * [Use small vectors in type walker][37760]
       * [Macro expansion performance was improved][37701]
       * [Change `HirVec>` to `HirVec` in `hir::Expr`][37642]
       * [Replace FNV with a faster hash function][37229]
       rust-cbindgen is shipped in version 0.14.1.
    Patch Instructions:
       To install this openSUSE Security Update use the SUSE recommended installation methods
       like YaST online_update or "zypper patch".
       Alternatively you can run the command listed for your product:
       - openSUSE Leap 15.2:
          zypper in -t patch openSUSE-2020-945=1
    Package List:
       - openSUSE Leap 15.2 (i586 x86_64):
       - openSUSE Leap 15.2 (noarch):
       - openSUSE Leap 15.2 (x86_64):


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