From c6bfb07832a6ec5de98e9faba9bebae64a4ee7fc Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Sun, 20 Aug 2023 11:01:04 +0100
Subject: [PATCH] bolts write_minibsod netbsd implementation. (#1428)

pretty close to freebsd for the most part.
---
 libafl_bolts/src/minibsod.rs | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/libafl_bolts/src/minibsod.rs b/libafl_bolts/src/minibsod.rs
index 67120d1dbb..a616247ec6 100644
--- a/libafl_bolts/src/minibsod.rs
+++ b/libafl_bolts/src/minibsod.rs
@@ -630,10 +630,19 @@ fn write_minibsod<W: Write>(writer: &mut BufWriter<W>) -> Result<(), std::io::Er
     Ok(())
 }
 
-#[cfg(target_os = "freebsd")]
+#[cfg(any(target_os = "freebsd", target_os = "netbsd"))]
 fn write_minibsod<W: Write>(writer: &mut BufWriter<W>) -> Result<(), std::io::Error> {
     let mut s: usize = 0;
+    #[cfg(target_os = "freebsd")]
     let arr = &[libc::CTL_KERN, libc::KERN_PROC, libc::KERN_PROC_VMMAP, -1];
+    #[cfg(target_os = "netbsd")]
+    let arr = &[
+        libc::CTL_VM,
+        libc::VM_PROC,
+        libc::VM_PROC_MAP,
+        -1,
+        std::mem::size_of::<libc::kinfo_vmentry>() as i32,
+    ];
     let mib = arr.as_ptr();
     let miblen = arr.len() as u32;
     if unsafe {
@@ -657,7 +666,10 @@ fn write_minibsod<W: Write>(writer: &mut BufWriter<W>) -> Result<(), std::io::Er
             unsafe {
                 while start < end {
                     let entry = start as *mut u8 as *mut libc::kinfo_vmentry;
-                    let sz = (*entry).kve_structsize;
+                    #[cfg(target_os = "freebsd")]
+                    let sz = (*entry).kve_structsize as usize;
+                    #[cfg(target_os = "netbsd")]
+                    let sz = std::mem::size_of::<libc::kinfo_vmentry>();
                     if sz == 0 {
                         break;
                     }
@@ -670,7 +682,7 @@ fn write_minibsod<W: Write>(writer: &mut BufWriter<W>) -> Result<(), std::io::Er
                     );
                     writer.write(&i.into_bytes())?;
 
-                    start = start + sz as usize;
+                    start = start + sz;
                 }
             }
         } else {
@@ -779,6 +791,7 @@ fn write_minibsod<W: Write>(writer: &mut BufWriter<W>) -> Result<(), std::io::Er
 #[cfg(not(any(
     target_os = "freebsd",
     target_os = "openbsd",
+    target_os = "netbsd",
     target_env = "apple",
     any(target_os = "linux", target_os = "android"),
 )))]