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Questions tagged [dm-verity]

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0answers
462 views

Disable avb/dm-verity manually on super partition

my doogee s96, with the TWRP no more able to boot, probably due to the dm-verity check. I tried several things, install Magisk or patching boot.img, but I always failed. The phone starts and suddendly ...
2
votes
1answer
505 views

How to properly ENABLE dm-verity and FEC for /system on Motorola X4 with LineageOS 17.1?

I have built LineageOS 17.1 for Motorola X4 / payton with unlocked bootloader with reverted commit 81cc203c06596878d2beb62ab6e07f36e278018e. The common question is how to disable dm-verity, but I want ...
1
vote
0answers
359 views

If I generate my own custom key and sign a custom ROM, then will I be able to have root access after locking the bootloader?

So what I want to do is boot into my own custom ROM with a locked bootloader. I have a OnePlus 6T so it's possible, but can I have root access after I boot with a locked bootloader? If I replace my ...
1
vote
1answer
890 views

Changing /system/build.prop issues on fully rooted and DM-verity removed device

SO, I have an MT6739 dveice with Android 8.1, it's not A/B seamless, and it is not TREBLE. I have used a tried and tested method to remove DM-Verity. On this device it was in the DTB, in the boot ...
3
votes
1answer
409 views

How does update_engine validate a differential update-image with dm-verity enabled?

I am working with Android 8, Android verified boot with dm-verity, and block-based differential seamless A/B updates. To my understanding, the Android update_engine performs some validations of the ...
5
votes
2answers
27k views

How to disable dm-verity on Android with “user” build type ROM?

I have One Plus 6T Android device which has a ROM of build type user. This device is rooted with Magisk and I want to disable dm-verity on this device. I have tried to run adb disable-verity but I got ...
3
votes
1answer
885 views

How does android dm-verity protection validate blocks with hash tree

I am learning about android dm-verity protection and I try to understand how does the android dm-verity uses the hash tree for validation of "single block". https://source.android.com/security/...
1
vote
1answer
2k views

how to check if i have successfully disabled dm-verity?

my phone has dm verity enabled by default. I read about ways to disable it. After that, is there any way with which can i verify if dm-verity is disabled?
1
vote
1answer
484 views

How to deal with dm-verity on a Samsung S7 Edge when installing a custom recovery like TWRP

I'm just starting to explore how to customize my Samsung S7 Edge and I'm interested in moving an application over to the system partition. It's currently running Android 8.0. I've been doing a lot of ...
2
votes
1answer
16k views

Install Magisk in TWRP, with “Keep DM-Verity/AVB 2.0” option?

I want to flash the Magisk ZIP while keeping dm-verity and AVB 2.0. The Magisk ZIP detects my encrypted /data partition and keeps force encryption, but always disables dm-verity and AVB 2.0 when ...