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@h4ckernews@mastodon.social  ·  activity timestamp 4 hours ago

Finding and Fixing a 50k Goroutine Leak That Nearly Killed Production

https://skoredin.pro/blog/golang/goroutine-leak-debugging

#HackerNews #Finding #Fixing #Goroutine #Leak #Production #Debugging

Finding and Fixing a 50,000 Goroutine Leak That Nearly Killed Production

Memory usage: 47GB. Response time: 32 seconds. Goroutines: 50,847. The story of debugging and fixing a massive goroutine leak in production.
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 7 days ago

Finding and Fixing Ghostty's Largest Memory Leak

https://mitchellh.com/writing/ghostty-memory-leak-fix

#HackerNews #Finding #Fixing #Ghostty #MemoryLeak #TechInsights

Mitchell Hashimoto

Finding and Fixing Ghostty's Largest Memory Leak

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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp last week

Fixing a Buffer Overflow in Unix v4 Like It's 1973

https://sigma-star.at/blog/2025/12/unix-v4-buffer-overflow/

#HackerNews #Fixing #a #Buffer #Overflow #in #Unix #v4 #Like #1973 #unix #v4 #buffer #overflow #cybersecurity #programming #history

sigma star gmbh

Fixing a Buffer Overflow in UNIX v4 Like It's 1973

This blog post shows how to fix a buffer overflow in the su progam of UNIX v4
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Stefano Marinelli boosted
Alfonso Siciliano
Alfonso Siciliano
@alfonsosiciliano@mastodon.bsd.cafe  ·  activity timestamp 2 months ago

#Lesson of the day: I waste time searching for a solution #online, then ask #AI, which gives me “wonderful” but completely wrong results. In the end, I read the official #documentation and solve it in a few seconds:

1. https://man.freebsd.org/tcsh/1 > 2. Ctrl-f > 3. type "redirect" > 4. "The shell cannot presently redirect diagnostic output without also redirecting standard output, but `(command > output-file) >& error-file' is often an acceptable workaround. ..."

#Documentation #UNIX #FreeBSD #Shell #scripting #terminal #tcsh #fixing

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Alfonso Siciliano
Alfonso Siciliano
@alfonsosiciliano@mastodon.bsd.cafe  ·  activity timestamp 2 months ago

#Lesson of the day: I waste time searching for a solution #online, then ask #AI, which gives me “wonderful” but completely wrong results. In the end, I read the official #documentation and solve it in a few seconds:

1. https://man.freebsd.org/tcsh/1 > 2. Ctrl-f > 3. type "redirect" > 4. "The shell cannot presently redirect diagnostic output without also redirecting standard output, but `(command > output-file) >& error-file' is often an acceptable workaround. ..."

#Documentation #UNIX #FreeBSD #Shell #scripting #terminal #tcsh #fixing

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