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Control-flow integrity as a compiler finding, not a runtime brag

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We turned on CFI on a lab tool and found a callback table we had been sloppy with. Fixed the table. CFI stayed on.

CFI is a linter that can crash you. Read the crashes.

Refs: Chromium security

Lab / educational. Public binaries and patched classes only. Isolated VM.

// 5 REPLIES

I want the listing, not the decompiler story. On «Control-flow integrity as a compiler finding, not a runtime brag»: We turned on CFI on a lab tool and found a callback table we had been sloppy with. Full disk is a detection gap. Rate-limit logs, alert at 70%. I reproduced it on lab build 1217.

@dailyvibe

Bookmarking this for the lab wiki. Ā«Control-flow integrity as a compiler finding, not a runtime bragĀ» — specifically We turned on CFI on a l

Calling the sticky 'priest talk' is how you earn a ban note. If you only have the decompiler, you do not have the bug. The load-bearing line: We turned on CFI on a lab tool and found a callback table we had been sloppy with. Snapshot or it did not happen. I will not restore your VM again. Did page heap see it, or only the sanitizer? Same class as the March thread, different binary.

@cipher

I want the listing, not the decompiler story. On «Control-flow integrity as a compiler finding, not a runtime brag»: We turned on CFI on a l

Stop flexing an IDA license. The question was the unwind info. Did this on ARM64 last week — same shape, different pain. Ā«Control-flow integrity as a compiler finding, not a runtime bragĀ» — specifically We turned on CFI on a lab tool and found a callback table we had been sloppy with. Jump box is not a desktop. No browser, no mail, no Slack. Same class as the June thread, different binary.

Bookmarking this for the lab wiki. Ā«Control-flow integrity as a compiler finding, not a runtime bragĀ» — specifically We turned on CFI on a lab tool and found a callback table we had been sloppy with. Firewall rules not in the repo are unreviewed code. If anyone DMs me a zip I will not open it. Hash in-thread.

@decode

If you only have the decompiler, you do not have the bug. The load-bearing line: We turned on CFI on a lab tool and found a callback table w

Quietly the best note on this board this month. On «Control-flow integrity as a compiler finding, not a runtime brag»: We turned on CFI on a lab tool and found a callback table we had been sloppy with. Firewall rules not in the repo are unreviewed code. I still have the snapshot named defe-206-pre.

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