Merge pull request #83 from 197g/ci-failures

Update release info for static-alloc-v0.2.6

Author: 197g

LICENSE.MIT

@@ -1,4 +1,4 @@
-Copyright 2019 Andreas Molzer
+Copyright 2019 Aurelia Molzer
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

LICENSE.ZLIB

@@ -1,4 +1,4 @@
-Copyright (c) 2021 Andreas Molzer
+Copyright (c) 2021 Aurelia Molzer
 
 This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
 

alloc-traits/Cargo.toml

@@ -2,7 +2,7 @@
 name = "alloc-traits"
 version = "0.1.1"
 description = "Traits to replace or supplement the alloc module in no_std"
-authors = ["Andreas Molzer <[email protected]>"]
+authors = ["Aurelia Molzer <[email protected]>"]
 edition = "2018"
 license = "MIT OR Apache-2.0 OR Zlib"
 documentation = "https://docs.rs/static-alloc"

alloc-traits/src/lib.rs

@@ -15,7 +15,7 @@
 //! [`static-alloc`]: https://crates.io/crates/static-alloc
 //! [`without-alloc`]: https://crates.io/crates/without-alloc
 
-// Copyright 2019-2021 Andreas Molzer
+// Copyright 2019-2021 Aurelia Molzer
 #![no_std]
 #![deny(missing_docs)]
 

exit-stack/Cargo.toml

@@ -2,7 +2,7 @@
 name = "exit-stack"
 version = "0.1.0"
 description = "Dynamically pin values to the stack, with no macros."
-authors = ["Andreas Molzer <[email protected]>"]
+authors = ["Aurelia Molzer <[email protected]>"]
 edition = "2018"
 license = "MIT"
 documentation = "https://docs.rs/exit-stack"

fill/Cargo.toml

@@ -2,7 +2,7 @@
 name = "fill"
 version = "0.1.1"
 description = "Provides the Fill trait, an alternative to Extend for finite containers"
-authors = ["Andreas Molzer <[email protected]>"]
+authors = ["Aurelia Molzer <[email protected]>"]
 edition = "2018"
 license = "MIT OR Apache-2.0 OR Zlib"
 documentation = "https://docs.rs/fill"

static-alloc/Cargo.toml

@@ -1,12 +1,12 @@
 [package]
 name = "static-alloc"
-version = "0.2.5"
+version = "0.2.6"
 description = "A bump allocator on static memory for the alloc-traits crate"
-authors = ["Andreas Molzer <[email protected]>"]
+authors = ["Aurelia Molzer <[email protected]>"]
 edition = "2018"
 license = "MIT OR Apache-2.0 OR Zlib"
 documentation = "https://docs.rs/static-alloc"
-repository = "https://github.com/HeroicKatora/static-alloc"
+repository = "https://github.com/197g/static-alloc"
 readme = "Readme.md"
 categories = ["embedded", "memory-management", "no-std"]
 

static-alloc/Changes.md

@@ -1,3 +1,8 @@
+# v0.2.6
+
+- Fix an unsoundness bug in `MemBump::new` (available under feature `alloc`)
+  that left the counter of occupied bytes uninitialized.
+
 # v0.2.5
 
 - Bump `atomic-polyfill` to `1`, as discovered during Debian packaging.

static-alloc/src/lib.rs

@@ -40,7 +40,7 @@
 //! dynamic values without accidentally exposing or using uninitialized memory. This allows
 //! obtaining `&'static mut T` instances which is handy if a struct requires a mutable reference
 //! but it is also required that this struct has `'static` lifetime bounds itself.
-// Copyright 2019,2022 Andreas Molzer
+// Copyright 2019,2022 Aurelia Molzer
 #![no_std]
 #![deny(missing_docs)]
 

static-alloc/src/unsync/bump.rs

@@ -251,7 +251,10 @@ impl MemBump {
     /// This is how many *bytes* can be allocated
     /// within this node.
     pub const fn capacity(&self) -> usize {
-        self.data.get().len()
+        // Safety: just gets the pointer metadata `len` without invalidating any provenance,
+        // accepting the pointer use itself. This may be replaced by a safe `pointer::len` as soon
+        // as stable (#71146) and const which would avoid any pointer use.
+        unsafe { (*(self.data.get() as *const [UnsafeCell<u8>])).len() }
     }
 
     /// Get a raw pointer to the data.