Ghidra Debugger not working

Question

When I try to debug one of hackadayu exercises (or any other file) using "debug c1 in dbgeng locally via GADP" I get following errors:

    Launch failed for {args=/C:/Users/abc/Desktop/ghidra/hackaday-u-master/session-one/exercises/c1}
ghidra.dbg.error.DebuggerUserException: Launch failed for {args=/C:/Users/abc/Desktop/ghidra/hackaday-u-master/session-one/exercises/c1}
    at ghidra.dbg.gadp.client.GadpClient.checkError(GadpClient.java:163)
    at ghidra.dbg.gadp.client.GadpClient.lambda$sendChecked$2(GadpClient.java:358)
    at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)
    at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
    at java.base/java.util.concurrent.CompletableFuture.complete(CompletableFuture.java:2073)
    at ghidra.async.AsyncPairingCache.fulfill(AsyncPairingCache.java:166)
    at ghidra.dbg.gadp.client.GadpClient.lambda$receiveLoop$4(GadpClient.java:378)
    at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1736)
    at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
    at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
    at java.base/java.lang.Thread.run(Thread.java:829)

I tried running it with admin right etc. without success.

Answer 1

I've just downloaded the "c1" exercise from https://github.com/wrongbaud/hackaday-u.

This is a linux elf:

> file c1
c1: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=d9462be5061532875d1ea68aab66366a42f87d6c, not stripped

You need a Linux OS (a VM will works too) in order to debug it.

You are clearly trying to run it on Windows (C:/Users/abc/Desktop/ghidra/hackaday...)