[Magisk] Snowpuppy:
Hello, I'm trying to install Magisk on my Verizon Pixel XL that has TWRP 3.2.3.0 installed and an unlocked bootloader. Everything seems to install well, but on reboot I get an infinite Google logo loading screen thing. During this time my PC can detect and I can use ADB commands. Using the Magisk uninstaller in TWRP rectifies this issue. I have a full log available, but here's the snippet TWRP provides on the Magisk install.

I:Set page: 'install'
I:Set page: 'flash_confirm'
I:Set page: 'flash_zip'
I:operation_start: 'Flashing'
Installing zip file '/sdcard/Download/Magisk-v16.7.zip'
Checking for Digest file...
Skipping Digest check: no Digest file found
I:Update binary zip
Verifying package compatibility...
Package doesn't contain compatibility.zip entry
I:Zip does not contain SELinux file_contexts file in its root.
I:Legacy property environment not used in updater.
Archive: /sdcard/Download/Magisk-v16.7.zip
inflating: META-INF/com/google/android/update-binary
inflating: META-INF/com/google/android/updater-script
inflating: arm/magiskboot
inflating: arm/magiskinit
inflating: chromeos/futility
inflating: chromeos/kernel.keyblock
inflating: chromeos/kernel_data_key.vbprivk
inflating: common/addon.d.sh
inflating: common/boot_patch.sh
inflating: common/magisk.apk
inflating: common/util_functions.sh
inflating: x86/magiskboot
inflating: x86/magiskinit
inflating: META-INF/MANIFEST.MF
inflating: META-INF/CERT.SF
inflating: META-INF/CERT.RSA
************************
* Magisk v16.7 Installer
************************
- Current boot slot: _b
- Mounting /system, /vendor
- Device using system_root_image
- Encrypted data detected, keep forceencrypt
- Target image: /dev/block/sda20
- Device platform: arm64
- Constructing environment
Invalid image: not signed
- Unpacking boot image
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Parsing boot image: [/dev/block/sda20]
KERNEL [21115146]
RAMDISK [11333221]
SECOND [0]
EXTRA [0]
PAGESIZE [4096]
OS_VERSION [9.0.0]
PATCH_LEVEL [2018-08]
NAME []
CMDLINE [console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=marlin user_debug=31 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 cma=32M@0-0xffffffff loop.max_part=7 buildvariant=user veritykeyid=id:34e81e2c57675086f628c1b2e4b4ade8e0a1941d]
CHECKSUM [08c357c374e6a179708a1fd5ffda5a31997e6533]
DTB [7815814]
KERNEL_FMT [lz4]
RAMDISK_FMT [gzip]
- Checking ramdisk status
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Loading cpio: [ramdisk.cpio]
- Stock boot image detected
- Backing up stock boot image
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Compressing to [stock_boot_fa9ea1e105036116e10cc2bf10878cd7826a8dfb.img.gz]
- Patching ramdisk
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Loading cpio: [ramdisk.cpio]
Add entry [init] (0750)
Patch with flag KEEPVERITY=[false] KEEPFORCEENCRYPT=[true]
Remove pattern [,verify]
Save SHA1: [fa9ea1e105036116e10cc2bf10878cd7826a8dfb] -> [.backup/.sha1]
Loading cpio: [ramdisk.cpio.orig]
Backup mismatch entry: [etc/recovery.fstab] -> [.backup/etc/recovery.fstab]
Backup mismatch entry: [init] -> [.backup/init]
Dump cpio: [ramdisk.cpio]
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Loading dtbs from [dtb]
Found fstab in dtb.0000
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0001
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0002
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0003
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0004
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0005
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0006
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0007
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0008
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0009
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0010
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0011
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0012
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0013
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0014
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0015
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0016
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0017
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0018
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
Found fstab in dtb.0019
Found block [vendor] in fstab
Remove pattern [,verify]
Found block [persist] in fstab
- Removing dm(avb)-verity in dtb
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Patch @ 0176D5F6 [736B69705F696E697472616D6673]->[77616E745F696E697472616D6673]
- Repacking boot image
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Parsing boot image: [/dev/block/sda20]
KERNEL [21115146]
RAMDISK [11333221]
SECOND [0]
EXTRA [0]
PAGESIZE [4096]
OS_VERSION [9.0.0]
PATCH_LEVEL [2018-08]
NAME []
CMDLINE [console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=marlin user_debug=31 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 cma=32M@0-0xffffffff loop.max_part=7 buildvariant=user veritykeyid=id:34e81e2c57675086f628c1b2e4b4ade8e0a1941d]
CHECKSUM [08c357c374e6a179708a1fd5ffda5a31997e6533]
DTB [7815814]
KERNEL_FMT [lz4]
RAMDISK_FMT [gzip]
Repack to boot image: [new-boot.img]
KERNEL [21113886]
RAMDISK [11594726]
SECOND [0]
EXTRA [0]
PAGESIZE [4096]
OS_VERSION [9.0.0]
PATCH_LEVEL [2018-08]
NAME []
CMDLINE [console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=marlin user_debug=31 ehci-hcd.park=3 lpm_levels.sleep_disabled=1 cma=32M@0-0xffffffff loop.max_part=7 buildvariant=user veritykeyid=id:34e81e2c57675086f628c1b2e4b4ade8e0a1941d]
CHECKSUM [8ba8ce2a04ed2594b2f7e172a783e809ffd23c4b]
MagiskBoot v16.7(1671) (by topjohnwu) - Boot Image Modification Tool
Cleaning up...
- Flashing new boot image
- Unmounting partitions
- Done
I:Updater process ended with RC=0
I:Install took 27 second(s).
Updating partition details...
I:Data backup size is 4324MB, free: 13728MB.
...done
I:Set page: 'flash_done'
I:operation_end - status=0