Nix Hackers - Public Room Timeline

	Nix Hackers	967 Members
	For people hacking on the Nix package manager itself	205 Servers

Sender	Message	Time
9 Oct 2025
lovesegfault	let me collect them, one second	23:34:53
lovesegfault	Download nix-eval-crashes.tar.zst	23:36:10
lovesegfault	fzakaria: those are the crashes I got	23:36:19
fzakaria	cool ill take a look	23:44:10
fzakaria	maybe file bugs worst case	23:44:14
fzakaria	(I'll make sure they repro)	23:44:22
fzakaria	they're all kind of similar	23:45:52
fzakaria	interesting	23:45:53
lovesegfault	the big issue with the current fuzzing work is i cannot seem to get good coverage, even after I added the dictionary, which helped	23:54:46
lovesegfault	and i don't know if it's my fault or of that's just how it is	23:54:57
lovesegfault	i suspect the corpus sucks and needs to be made better	23:55:07
10 Oct 2025
fzakaria	maybe there's more instrumentation to help guide it better?	00:02:48
fzakaria	or yea just feed it tons of derivations	00:02:59
fzakaria	like 1000s	00:03:02
fzakaria	`nix eval -f ./id:000000,sig:11,src:000046,time:6573454,execs:92972154,op:havoc,rep:2 error: memory exhausted at /home/fmzakari/Downloads/nix-eval-crashes/id:000000,sig:11,src:000046,time:6573454,execs:92972154,op:havoc,rep:2:1:9999:`	00:03:04