Edit: Many thanks to @MrGerrit@feddit.nl for suggesting that I hold all three buttons down. That appears to have worked! 🙏
Pixel 6 Pro. Yes, I did a factory reset after patching. No, I wasn’t aware there was an issue. Yes, I understand there’s no fix for this.
My question is, how do I turn off the phone once it is in this state? I’ve tried holding power alone, power + volume up, and power + volume down for varying periods of time up to 30 seconds each. I’ve tried in the recovery menu and at the error screen. I’ve tried catching it during the restart. Can someone help me please?
Once you get into recovery manually, is there no “Power off”? It seems there should be:

Can you get there?
I only have the two options, Try Again and Factory Data Reset. The first just reboots the device and I return to the same two options. The second asks for a confirmation, then it shows an error (/system/bin/tune2fs is missing) and takes me to the “dead droid” screen briefly, after which it reboots and we’re back to the same two options.
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If you hold down the power button for 10-20 seconds it should turn off. At least that’s how it works inside the Android system
All I’ve gotten so far are sore fingers. 😆
Damn… 😅 Then I am out of ideas unfortunately