rust-minidump · gabrielesvelto · Jan 20, 2026 · Jan 9, 2026 · Jan 9, 2026 · Jan 9, 2026
@@ -5,32 +5,34 @@ authors = ["Martin Sirringhaus"]
 description = "Rust rewrite of Breakpad's minidump_writer"
 repository = "https://github.com/rust-minidump/minidump-writer"
 homepage = "https://github.com/rust-minidump/minidump-writer"
-edition = "2021"
+edition = "2024"
+rust-version = "1.85.0"
 license = "MIT"
 
 [dependencies]
-bitflags = "2.8"
-byteorder = "1.4"
+bitflags = "2.10"
 cfg-if = "1.0"
 crash-context = "0.6"
-error-graph = { version = "0.1.1", features = ["serde"] }
-failspot = "0.2.0"
 log = "0.4"
-memoffset = "0.9"
+# Type definitions and utilities for working with the Minidump format
 minidump-common = "0.26"
+# Reading and writing to memory. Keep aligned with version used by minidump-common and goblin
 scroll = "0.12"
 serde = { version = "1.0.208", features = ["derive"] }
 serde_json = "1.0.116"
-tempfile = "3.16"
 thiserror = "2.0"
 
 [target.'cfg(unix)'.dependencies]
 libc = "0.2"
-goblin = "0.9.2"
+# goblin >= 0.10 uses scroll 0.13
+goblin = "0.9"
 memmap2 = "0.9"
 
 [target.'cfg(any(target_os = "linux", target_os = "android"))'.dependencies]
-nix = { version = "0.29", default-features = false, features = [
+byteorder = "1.4"
+error-graph = { version = "0.1.1", features = ["serde"] }
+failspot = "0.2.0"
+nix = { version = "0.30", default-features = false, features = [
     "mman",
     "process",
     "ptrace",
@@ -40,13 +42,14 @@ nix = { version = "0.29", default-features = false, features = [
 ] }
 # Used for parsing procfs info.
 # default-features is disabled since it pulls in chrono
-procfs-core = { version = "0.17", default-features = false, features = ["serde1"] }
+procfs-core = { version = "0.18", default-features = false, features = ["serde1"] }
 
 [target.'cfg(target_os = "windows")'.dependencies]
 bitflags = "2.4"
 
 [target.'cfg(target_os = "macos")'.dependencies]
-# Binds some additional mac specifics not in libc
+# Binds some additional mac specifics not in libc, note that other dependents
+# such as wasmtime still use 0.4, so only bump if the ecosystem moves to newer versions
 mach2 = "0.4"
 
 [dev-dependencies]
@@ -58,11 +61,12 @@ failspot = { version = "0.2.0", features = ["enabled"] }
 futures = { version = "0.3", features = ["executor"] }
 minidump = "0.26"
 memmap2 = "0.9"
+tempfile = "3.16"
 
 [target.'cfg(target_os = "macos")'.dev-dependencies]
 # We dump symbols for the `test` executable so that we can validate that minidumps
 # created by this crate can be processed by minidump-processor
-dump_syms = { version = "2.2", default-features = false }
+dump_syms = { version = "2.3", default-features = false }
 #minidump-processor = { version = "0.25", default-features = false }
 minidump-unwind = { version = "0.26", features = ["debuginfo"] }
 similar-asserts = "1.6"

@@ -4,7 +4,7 @@ use {
     minidump_writer::{
         dir_section::DirSection,
         mem_writer::{Buffer, MemoryWriter},
-        minidump_format::{MDRawHeader, MD_HEADER_SIGNATURE, MD_HEADER_VERSION},
+        minidump_format::{MD_HEADER_SIGNATURE, MD_HEADER_VERSION, MDRawHeader},
     },
     std::fs::File,
 };

@@ -10,11 +10,12 @@ mod linux {
         super::*,
         error_graph::ErrorList,
         minidump_writer::{
+            LINUX_GATE_LIBRARY_NAME,
             minidump_writer::{MinidumpWriter, MinidumpWriterConfig},
-            module_reader, LINUX_GATE_LIBRARY_NAME,
+            module_reader,
         },
         nix::{
-            sys::mman::{mmap_anonymous, MapFlags, ProtFlags},
+            sys::mman::{MapFlags, ProtFlags, mmap_anonymous},
             unistd::getppid,
         },
     };
@@ -339,14 +340,37 @@ mod linux {
     }
 
     fn create_files_wait(num: usize) -> Result<()> {
-        let mut file_array = Vec::<tempfile::NamedTempFile>::with_capacity(num);
+        use std::{fmt::Write, io::Read};
+
+        let mut file_array = Vec::<std::fs::File>::with_capacity(num);
+
+        let mut rand = std::fs::File::open("/dev/urandom").expect("failed to open /dev/urandom");
+        const CHARS: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+        let mut root = std::env::temp_dir();
+        root.push("minidump-writer");
+
+        if !root.exists() {
+            std::fs::create_dir_all(&root).expect("failed to create $TMP/minidump-writer dir")
+        }
+
+        let mut rand_indices = [0u8; 6];
+
         for id in 0..num {
-            let file = tempfile::Builder::new()
-                .prefix("test_file")
-                .suffix::<str>(id.to_string().as_ref())
-                .tempfile()
-                .unwrap();
-            file_array.push(file);
+            let mut name = String::new();
+            name.push_str("test_file");
+
+            rand.read_exact(&mut rand_indices)
+                .expect("failed to read /dev/urandom");
+
+            for index in rand_indices {
+                name.push(CHARS[index as usize % CHARS.len()] as char);
+            }
+
+            write!(&mut name, "{id}").unwrap();
+
+            let path = root.join(name);
+            file_array.push(std::fs::File::create(&path).expect("failed to create path"));
             println!("1");
         }
         println!("1");
@@ -420,7 +444,7 @@ mod windows {
     use std::mem;
 
     #[link(name = "kernel32")]
-    extern "system" {
+    unsafe extern "system" {
         pub fn GetCurrentProcessId() -> u32;
         pub fn GetCurrentThreadId() -> u32;
         pub fn GetCurrentThread() -> isize;

@@ -2,6 +2,16 @@ cfg_if::cfg_if! {
     if #[cfg(any(target_os = "linux", target_os = "android"))] {
         mod linux;
 
+        failspot::failspot_name! {
+            pub enum FailSpotName {
+                StopProcess,
+                FillMissingAuxvInfo,
+                ThreadName,
+                SuspendThreads,
+                CpuInfoFileOpen,
+            }
+        }
+
         pub use linux::*;
     } else if #[cfg(target_os = "windows")] {
         mod windows;
@@ -20,13 +30,3 @@ pub mod minidump_cpu;
 pub mod minidump_format;
 
 mod serializers;
-
-failspot::failspot_name! {
-    pub enum FailSpotName {
-        StopProcess,
-        FillMissingAuxvInfo,
-        ThreadName,
-        SuspendThreads,
-        CpuInfoFileOpen,
-    }
-}
@@ -1,7 +1,7 @@
 use {
     super::{
-        maps_reader::MappingInfo, mem_reader::CopyFromProcessError,
-        minidump_writer::MinidumpWriter, Pid,
+        Pid, maps_reader::MappingInfo, mem_reader::CopyFromProcessError,
+        minidump_writer::MinidumpWriter,
     },
     goblin::elf,
 };

@@ -1,7 +1,7 @@
 use {
     super::CrashContext,
     crate::{
-        minidump_cpu::{RawContextCPU, FP_REG_COUNT, GP_REG_COUNT},
+        minidump_cpu::{FP_REG_COUNT, GP_REG_COUNT, RawContextCPU},
         minidump_format::format,
     },
 };

@@ -2,7 +2,7 @@ use {
     super::{super::thread_info::copy_u32_registers, CrashContext},
     crate::{minidump_cpu::RawContextCPU, minidump_format::format},
     libc::{
-        REG_CSGSFS, REG_EFL, REG_R10, REG_R11, REG_R12, REG_R13, REG_R14, REG_R15, REG_R8, REG_R9,
+        REG_CSGSFS, REG_EFL, REG_R8, REG_R9, REG_R10, REG_R11, REG_R12, REG_R13, REG_R14, REG_R15,
         REG_RAX, REG_RBP, REG_RBX, REG_RCX, REG_RDI, REG_RDX, REG_RIP, REG_RSI, REG_RSP,
     },
     scroll::Pwrite,

@@ -5,7 +5,7 @@ use {
     },
     crate::{
         mem_writer::{
-            write_string_to_location, Buffer, MemoryArrayWriter, MemoryWriter, MemoryWriterError,
+            Buffer, MemoryArrayWriter, MemoryWriter, MemoryWriterError, write_string_to_location,
         },
         minidump_format::*,
     },

@@ -739,7 +739,12 @@ a4840000-a4873000 rw-p 09021000 08:12 393449     /data/app/org.mozilla.firefox-1
             .get_mapping_effective_path_name_and_version(None)
             .expect("Couldn't get effective name for mapping");
         assert_eq!(file_name, "libmozgtk.so");
-        assert_eq!(file_path, PathBuf::from("/home/martin/Documents/mozilla/devel/mozilla-central/obj/widget/gtk/mozgtk/gtk3/libmozgtk.so"));
+        assert_eq!(
+            file_path,
+            PathBuf::from(
+                "/home/martin/Documents/mozilla/devel/mozilla-central/obj/widget/gtk/mozgtk/gtk3/libmozgtk.so"
+            )
+        );
     }
 
     #[test]

@@ -1,7 +1,7 @@
 //! Functionality for reading a remote process's memory
 
 use {
-    super::{minidump_writer::MinidumpWriter, serializers::*, Pid},
+    super::{Pid, minidump_writer::MinidumpWriter, serializers::*},
     std::sync::OnceLock,
 };
 

@@ -1,5 +1,6 @@
 use {
     super::super::{
+        Pid,
         auxv::AuxvError,
         dso_debug::SectionDsoDebugError,
         maps_reader::MapsReaderError,
@@ -13,7 +14,6 @@ use {
         },
         module_reader::ModuleReaderError,
         serializers::*,
-        Pid,
     },
     crate::{dir_section::FileWriterError, mem_writer::MemoryWriterError, serializers::*},
     error_graph::ErrorList,

@@ -15,11 +15,7 @@ fn file_stat(path: &Path) -> Option<libc::stat> {
     let mut stat = unsafe { std::mem::zeroed::<libc::stat>() };
     let result = unsafe { libc::stat(c_path.as_ptr(), &mut stat) };
 
-    if result == 0 {
-        Some(stat)
-    } else {
-        None
-    }
+    if result == 0 { Some(stat) } else { None }
 }
 
 fn direntry_to_descriptor(buffer: &mut DumpBuf, entry: &DirEntry) -> Option<MDRawHandleDescriptor> {

@@ -1,7 +1,7 @@
 use {
     super::*,
     minidump_common::format::{MemoryProtection, MemoryState, MemoryType},
-    procfs_core::{process::MMPermissions, FromRead},
+    procfs_core::{FromRead, process::MMPermissions},
 };
 
 #[derive(Debug, Error, serde::Serialize)]

@@ -1,5 +1,6 @@
 use {
     super::{
+        Pid,
         app_memory::AppMemoryList,
         auxv::AuxvDumpInfo,
         crash_context::CrashContext,
@@ -10,12 +11,11 @@ use {
         module_reader,
         serializers::*,
         thread_info::{ThreadInfo, ThreadInfoError},
-        Pid,
     },
     crate::{
         dir_section::{DirSection, DumpBuf},
         mem_writer::{
-            write_string_to_location, Buffer, MemoryArrayWriter, MemoryWriter, MemoryWriterError,
+            Buffer, MemoryArrayWriter, MemoryWriter, MemoryWriterError, write_string_to_location,
         },
         minidump_format::*,
         serializers::*,
@@ -28,8 +28,8 @@ use {
         sys::{ptrace, signal, wait},
     },
     procfs_core::{
-        process::{MMPermissions, ProcState, Stat},
         FromRead,
+        process::{MMPermissions, ProcState, Stat},
     },
     std::{
         io::{Seek, Write},