[Sony Xperia XZ2 Compact ROMs, Kernels, Recoveries,] Dom195:
[MENTION=4418980]j4nn[/MENTION], I tried again.

XZ2C: H8324

Build-Nr.: 52.1.A.0.618

USB debugging is activated

But still the same error:

D:\Downloads\XZ2 Compact Temp Root\2. Temp Root durchführen>adb devices
List of devices attached
BH900A5ZBZ device

D:\Downloads\XZ2 Compact Temp Root\2. Temp Root durchführen>adb push tama-mroot
zip Magisk-v20.4.zip /data/local/tmp
tama-mroot.zip: 1 file pushed, 0 skipped. 0.6 MB/s (21355 bytes in 0.032s)
Magisk-v20.4.zip: 1 file pushed, 0 ski...d. 24.8 MB/s (5942417 bytes in 0.229s)
2 files pushed, 0 skipped. 20.3 MB/s (5963772 bytes in 0.281s)

D:\Downloads\XZ2 Compact Temp Root\2. Temp Root durchführen>adb shell
H8324:/ $ cd /data/local/tmp
H8324:/data/local/tmp $ unzip tama-mroot.zip
Archive: tama-mroot.zip
replace magisk-start.sh? [y]es, [n]o, [A]ll, [N]one: y
inflating: magisk-start.sh
replace magisk-setup.sh? [y]es, [n]o, [A]ll, [N]one: y
inflating: magisk-setup.sh
replace tama-mroot? [y]es, [n]o, [A]ll, [N]one: y
inflating: tama-mroot
H8324:/data/local/tmp $ chmod 755 tama-mroot magisk-setup.sh magisk-start.sh
H8324:/data/local/tmp $ ./magisk-setup.sh
+ '[' '' '=' --cleanup ']'
+ ZIPFILE=Magisk-v20.4.zip
+ '[' ! -d magisk ']'
H8324:/data/local/tmp $ ls
Magisk-v20.4.zip magisk-setup.sh magisk-v20.4.zip tama-mroot
magisk magisk-start.sh magiskpolicy tama-mroot.zip
H8324:/data/local/tmp $ ./tama-mroot
[+] Detected H8324-52.1.A.0.618 target
[+] Mapped 200000
[+] selinux_enforcing before exploit: 1
[+] pipe file: 0xffffffcc92bbad00
[+] file epitem at ffffffcc26feea00
[+] Reallocating content of 'write8_inode' with controlled data..[DONE]
[+] Overwriting 0xffffffcc92bbad20 with 0xffffffcc26feea50...[DONE]
[+] Write done, should have arbitrary read now.
[+] file operations: ffffff94b8c1ebf8
[+] kernel base: ffffff94b7a80000
[+] Reallocating content of 'write8_selinux' with controlled data..[DONE]
[+] Overwriting 0xffffff94b9e8f000 with 0x0...[DONE]
[+] init_cred: ffffff94b9c2fcd0
[+] memstart_addr: 0xfffffff480000000
[+] First level entry: 121c4a003 -> next table at ffffffcca1c4a000
[+] Second level entry: 1293f1003 -> next table at ffffffcca93f1000
[+] sysctl_table_root = ffffff94b9c5c710
[+] Reallocating content of 'write8_sysctl' with controlled data..[DONE]
[+] Overwriting 0xffffffccf16e2768 with 0xffffffccd58c3000...[DONE]
[+] Injected sysctl node!
[+] Node write8_inode, pid 15819, kaddr ffffffcc82247200
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Node write8_selinux, pid 16084, kaddr ffffffcc03730600
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Node write8_sysctl, pid 16077, kaddr ffffffcc036c7380
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Replaced sendmmsg dangling reference
[+] Cleaned up sendmsg threads
[+] epitem.next = ffffffcc92bbad20
[+] epitem.prev = ffffffcc92bbadd8
[+] Launching privileged shell
root_by_cve-2020-0041:/data/local/tmp # ./magisk-start.sh -1
+ FRESH=false
+ '[' -1 '=' --fresh ']'
+ '[' ! -e /data/adb/magisk/busybox ']'
+ FRESH=true
+ ./magiskpolicy --live --magisk 'allow dumpstate * * *'
./magisk-start.sh[33]: ./magiskpolicy: inaccessible or not found
127|root_by_cve-2020-0041:/data/local/tmp # ./magisk-start.sh -2
+ FRESH=false
+ '[' -2 '=' --fresh ']'
+ '[' ! -e /data/adb/magisk/busybox ']'
+ FRESH=true
+ STAGE=2
+ '[' 2 '=' 2 ']'
+ mount -t tmpfs -o 'mode=755' none /sbin
+ chcon u:object_r:rootfs:s0 /sbin
+ chmod 755 /sbin
+ cp -a magisk/boot_patch.sh /sbin
cp: bad 'magisk/boot_patch.sh': No such file or directory
+ echo 'magisk zip is not unpacked!'
magisk zip is not unpacked!
+ umount /sbin
+ exit 1
1|root_by_cve-2020-0041:/data/local/tmp #

Do I have to use the command "unzip magisk-v20.4.zip" at any stage after unzipping tama-mroot.zip?