Henry Chu
@bsky.henryhc.net
aka. Hengcheng Zhu | Incoming PostDoc @cispa.de | Software Engineering Researcher | https://scholar.henryhc.net
Surprise! macOS can support the latest RFC9463 encrypted DNS advertisement. Setting option 144 of the IPv6 RA with the value below and gets encrypted DNS automatically.
1 cloudflare-dns.com 1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001 alpn=h2,doq dohpath=/dns-query
1 cloudflare-dns.com 1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001 alpn=h2,doq dohpath=/dns-query
December 31, 2025 at 10:30 AM
Surprise! macOS can support the latest RFC9463 encrypted DNS advertisement. Setting option 144 of the IPv6 RA with the value below and gets encrypted DNS automatically.
1 cloudflare-dns.com 1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001 alpn=h2,doq dohpath=/dns-query
1 cloudflare-dns.com 1.1.1.1,1.0.0.1,2606:4700:4700::1111,2606:4700:4700::1001 alpn=h2,doq dohpath=/dns-query
Spent the weekend rewriting the backend of my home page. It looks the same but the server-side is totally different. It's now written in Rust which is compiled into Web Assembly and runs on Cloudflare Workers – fully ready for introducing dynamic features.
scholar.henryhc.net
scholar.henryhc.net
Hengcheng Zhu's Scholar Profile
Dr. Hengcheng Zhu is an incoming postdoctoral researcher at CISPA Helmholtz Center for Information Security. He is working on research related to software testing.
scholar.henryhc.net
December 21, 2025 at 2:10 PM
Spent the weekend rewriting the backend of my home page. It looks the same but the server-side is totally different. It's now written in Rust which is compiled into Web Assembly and runs on Cloudflare Workers – fully ready for introducing dynamic features.
scholar.henryhc.net
scholar.henryhc.net
Reposted by Henry Chu
Time to get serious again. New blog post "Reviewer-Author Collusion Rings and How to Fight Them": andreas-zeller.info/2025/12/07/R...
Reviewer-Author Collusion Rings and How to Fight Them
In 2012, I attended a physical meeting of the program committee responsible for selecting the best scientific papers for the ESEC/FSE 2013 conference in Saint Petersburg, Russia. This meeting was part...
andreas-zeller.info
December 8, 2025 at 4:31 PM
Time to get serious again. New blog post "Reviewer-Author Collusion Rings and How to Fight Them": andreas-zeller.info/2025/12/07/R...
Checkout our talk of LSPFuzz @aseconf.bsky.social and let's discuss during the poster session!
🕒 14:40 – 14:50, Wed November. 19
📍 Grand Hall 2
This tool is built on top of LibAFL @aflplusplus.bsky.social
🕒 14:40 – 14:50, Wed November. 19
📍 Grand Hall 2
This tool is built on top of LibAFL @aflplusplus.bsky.social
November 18, 2025 at 12:32 PM
Checkout our talk of LSPFuzz @aseconf.bsky.social and let's discuss during the poster session!
🕒 14:40 – 14:50, Wed November. 19
📍 Grand Hall 2
This tool is built on top of LibAFL @aflplusplus.bsky.social
🕒 14:40 – 14:50, Wed November. 19
📍 Grand Hall 2
This tool is built on top of LibAFL @aflplusplus.bsky.social
November 16, 2025 at 1:51 PM
Try to set a reminder in AoE (UTC-12) but ends up finding it impossible on #Apple devices. How come?
apple.stackexchange.com/questions/33...
apple.stackexchange.com/questions/33...
How do I set my iPhone / iPad to UTC-12 time zone?
It seems the latest time zone is UTC-12, as listed on the Wikipedia UTC time offsets article. But on the iPhone / iPad, I cannot find and choose the time zone of either "Baker Island" or "Howland ...
apple.stackexchange.com
October 29, 2025 at 10:31 AM
Try to set a reminder in AoE (UTC-12) but ends up finding it impossible on #Apple devices. How come?
apple.stackexchange.com/questions/33...
apple.stackexchange.com/questions/33...
Interrupted by LSP crashes when coding? We built LSPFuzz (with #LibAFL) to help catch these bugs before they are shipped to you!
Check out our #ASE2025 paper: LSPFuzz: Hunting Bugs in Language Servers.
📄 Preprint: aka.henryhc.net/lspfuzz-paper
📦 Code: github.com/henryhchchc/...
Check out our #ASE2025 paper: LSPFuzz: Hunting Bugs in Language Servers.
📄 Preprint: aka.henryhc.net/lspfuzz-paper
📦 Code: github.com/henryhchchc/...
GitHub - henryhchchc/lsp-fuzz: A grey-box hybrid fuzzer that generates test cases for language servers
A grey-box hybrid fuzzer that generates test cases for language servers - henryhchchc/lsp-fuzz
github.com
October 7, 2025 at 3:55 AM
Interrupted by LSP crashes when coding? We built LSPFuzz (with #LibAFL) to help catch these bugs before they are shipped to you!
Check out our #ASE2025 paper: LSPFuzz: Hunting Bugs in Language Servers.
📄 Preprint: aka.henryhc.net/lspfuzz-paper
📦 Code: github.com/henryhchchc/...
Check out our #ASE2025 paper: LSPFuzz: Hunting Bugs in Language Servers.
📄 Preprint: aka.henryhc.net/lspfuzz-paper
📦 Code: github.com/henryhchchc/...
Got my new toy 🤩
Well I don’t understand why LE Audio is still unsupported despite equipped with Bluetooth 5.3
Well I don’t understand why LE Audio is still unsupported despite equipped with Bluetooth 5.3
September 19, 2025 at 7:21 AM
Got my new toy 🤩
Well I don’t understand why LE Audio is still unsupported despite equipped with Bluetooth 5.3
Well I don’t understand why LE Audio is still unsupported despite equipped with Bluetooth 5.3
Well that’s indeed about transactions. Good job, Apple Intelligence 🤣
September 2, 2025 at 3:00 AM
Well that’s indeed about transactions. Good job, Apple Intelligence 🤣
Reposted by Henry Chu
CV Enhancers
At USENIX Security? Then check out:
Studying the Use of CVEs in Academia, won distinguished paper award www.usenix.org/conference/u...
Discovering and Exploiting Vulnerable Tunnelling Hosts, won most innovative research Pwnie @ DEFCON www.usenix.org/conference/u...
Big thanks to all co-authors!!
Studying the Use of CVEs in Academia, won distinguished paper award www.usenix.org/conference/u...
Discovering and Exploiting Vulnerable Tunnelling Hosts, won most innovative research Pwnie @ DEFCON www.usenix.org/conference/u...
Big thanks to all co-authors!!
August 14, 2025 at 9:29 AM
CV Enhancers
Reposted by Henry Chu
Federal Chancellor Friedrich Merz visits CISPA 🚀🔐
During his inaugural visit to Saarland, Friedrich Merz stopped by CISPA together with Minister President of Saarland Anke Rehlinger. The focus was on our cutting-edge research in cybersecurity and trustworthy AI.
cispa.de/en/federal-c...
During his inaugural visit to Saarland, Friedrich Merz stopped by CISPA together with Minister President of Saarland Anke Rehlinger. The focus was on our cutting-edge research in cybersecurity and trustworthy AI.
cispa.de/en/federal-c...
August 1, 2025 at 3:41 PM
Federal Chancellor Friedrich Merz visits CISPA 🚀🔐
During his inaugural visit to Saarland, Friedrich Merz stopped by CISPA together with Minister President of Saarland Anke Rehlinger. The focus was on our cutting-edge research in cybersecurity and trustworthy AI.
cispa.de/en/federal-c...
During his inaugural visit to Saarland, Friedrich Merz stopped by CISPA together with Minister President of Saarland Anke Rehlinger. The focus was on our cutting-edge research in cybersecurity and trustworthy AI.
cispa.de/en/federal-c...
10k people watching an A333 landing in typhoon
July 20, 2025 at 6:10 AM
10k people watching an A333 landing in typhoon
Witnessed a go-around in a pretty nice weather. Weird
VHHH 131000Z 21008KT 9999 FEW015 31/25 Q1004 NOSIG
VHHH 131000Z 21008KT 9999 FEW015 31/25 Q1004 NOSIG
July 13, 2025 at 10:27 AM
Witnessed a go-around in a pretty nice weather. Weird
VHHH 131000Z 21008KT 9999 FEW015 31/25 Q1004 NOSIG
VHHH 131000Z 21008KT 9999 FEW015 31/25 Q1004 NOSIG
Arrived in Trondheim 🇳🇴. See you all at FSE (and/or ISSTA).
June 22, 2025 at 3:00 PM
Arrived in Trondheim 🇳🇴. See you all at FSE (and/or ISSTA).
I like that! It’s always a pain to "invent" a baseline for some meaningless comparison.
Occasionally, I get a reviewer complaining, “You don’t compare against any other approach. So how can we know you’re better?” So I found a simple way to still add the "bold number column" that apparently everybody wants these days.
May 15, 2025 at 12:10 AM
I like that! It’s always a pain to "invent" a baseline for some meaningless comparison.
Time to have a post here huh?
February 28, 2025 at 3:22 AM
Time to have a post here huh?