ScriptHandler : Accesing fields of struct make the programm crash / random value returned by fields #189
Comments
|
I changed my code from self.connection= Some(
ConnectionBuilder {
session: session,
script_builder: |session| {
let mut script = session
.create_script(&self.script, &mut ScriptOption::new())
.unwrap();
let script_handler = self.script_handler.clone();
let _ = script.handle_message(script_handler);
script
},
}
.build(),
);
let result = self
.connection
.as_mut()
.unwrap()
.with_mut(|connection| {
let result = connection.script.load();
match result {
Ok(_) => Ok::<bool, Box<dyn Error>>(true),
Err(e) => {
log::error!("Error loading script: {}", e);
Ok(false)
}
}
});
*/To : self.connection= Some(
ConnectionBuilder {
session: session,
script_builder: |session| {
let mut script = session
.create_script(&self.script, &mut ScriptOption::new())
.unwrap();
let script_handler = self.script_handler.clone();
let _ = script.handle_message(script_handler);
let _ = script.load();
script
},
}
.build(),
);and my error is now : |
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Hello.
After some days of searching i don't find any solution so i wanted to share my issue here.
First of all this post will be a paste of : https://users.rust-lang.org/t/accesing-fields-of-struct-make-the-programm-crash-random-value-returned-by-fields-frida-scripthandler/122304/1 you could find more informations or the answer if it is found there.
I created a struct implementing ScriptHandler , this struct has a mpsc::Sender to send message but as soon as i try to acces it my program crash. here is a small exemple:
Which is a more weird is that sometimes my program would print me things like
event_sender strong count: 1624879470736wich is to high. It wouldn't make sense and I dont see anywhere in my code a loops in wich I clone it. another time i had :println!("{:?}", self.event_sender); => Mutex { data: <locked>, poisoned: true, .. }So no count and a poisoned mutex. The only time it showed me this it crashed later when i have a
self.event_sender.clone()And some other time i had :
event_sender Arc seems invalid or dropped.I tried to compile it with adressSanitazier and here is the stacktrace:
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