tweaked aslr paramaters

Purdue-eCTF · Mar 7, 2024 · 840ee51 · 840ee51
1 parent b76b6b8
commit 840ee51
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Showing 2 changed files with 10 additions and 14 deletions.
diff --git a/application_processor/build.rs b/application_processor/build.rs
@@ -172,17 +172,15 @@ fn main() {
         let flash_origin = 0x1000e000;
         let ram_origin = 0x20000000;
 
-        let max_spacing = 0x1000;
-
 
-        let stack_start = ram_origin + (ram_length/4) + gen_addr(0, max_spacing, &mut rng);
+        let stack_start = ram_origin + (ram_length/4) + gen_addr(0, ram_length / 2, &mut rng);
 
         let sentry = 0x1000e200;
 
-        let textoffset = gen_addr(0, max_spacing, &mut rng);
-        let rodataoffset = gen_addr(0, max_spacing, &mut rng);
-        let dataoffset = gen_addr(0, max_spacing, &mut rng);
-        let bssoffset = gen_addr(0, max_spacing, &mut rng);
+        let textoffset = gen_addr(0, 0x4000, &mut rng);
+        let rodataoffset = 0;
+        let dataoffset = gen_addr(0, 0x1000, &mut rng);
+        let bssoffset = gen_addr(0, ram_length / 8, &mut rng);
 
 
         let memory_x = format!("

diff --git a/component/build.rs b/component/build.rs
@@ -147,17 +147,15 @@ fn main() {
         let flash_origin = 0x1000e000;
         let ram_origin = 0x20000000;
 
-        let max_spacing = 0x1000;
-
 
-        let stack_start = ram_origin + (ram_length/4) + gen_addr(0, max_spacing, &mut rng);
+        let stack_start = ram_origin + (ram_length/4) + gen_addr(0, ram_length / 2, &mut rng);
 
         let sentry = 0x1000e200;
 
-        let textoffset = gen_addr(0, max_spacing, &mut rng);
-        let rodataoffset = gen_addr(0, max_spacing, &mut rng);
-        let dataoffset = gen_addr(0, max_spacing, &mut rng);
-        let bssoffset = gen_addr(0, max_spacing, &mut rng);
+        let textoffset = gen_addr(0, 0x4000, &mut rng);
+        let rodataoffset = 0;
+        let dataoffset = gen_addr(0, 0x1000, &mut rng);
+        let bssoffset = gen_addr(0, ram_length / 8, &mut rng);
 
 
         let memory_x = format!("