timeshift restore fails with segfault

[MiesSuomesta]

/dev/sdb2 is mounted at: /run/timeshift/backup, options: rw,relatime

[New Thread 0x7ffff3190700 (LWP 28776)] [Detaching after fork from child process 28777] [Detaching after fork from child process 28778]

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To restore with default options, press the ENTER key for all prompts!

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Press ENTER to continue...

Re-install GRUB2 bootloader? (recommended) (y/n): [New Thread 0x7ffff293f700 (LWP 28779)] y

Select GRUB device:

[Detaching after fork from child process 28780] Num Device Description

0 > sda ATA Samsung_SSD_870_QVO_2TB [MBR]
1 > sda1 ext4, 2.0 GB GB
2 > sda2 ext4, 118.5 GB GB
3 > sda5 ext4, 1879.4 GB GB
4 > sdb Kingston DataTraveler_3.0 [MBR]
5 > sdb2 ext4, 58.6 GB GB, writable

Enter device name or number (a=Abort): [New Thread 0x7ffff213e700 (LWP 28781)] [Thread 0x7ffff293f700 (LWP 28779) exited] 1

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GRUB Device: /dev/sda1

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Thread 1 "timeshift" received signal SIGSEGV, Segmentation fault. 0x00005555555722c3 in ?? () (gdb) bt full

0 0x00005555555722c3 in ?? ()

No symbol table info available.

1 0x000055555557310c in ?? ()

No symbol table info available.

2 0x00005555555b93a5 in ?? ()

No symbol table info available.

3 0x00005555555bb303 in ?? ()

No symbol table info available.

4 0x00007ffff6d8d0b3 in __libc_start_main (main=0x555555561960, argc=8, argv=0x7fffffffe038, init=, fini=,

rtld_fini=<optimized out>, stack_end=0x7fffffffe028) at ../csu/libc-start.c:308
    self = <optimized out>
    result = <optimized out>
    unwind_buf = {cancel_jmp_buf = {{jmp_buf = {93824992656272, 64280180862776670, 93824992287104, 140737488347184, 0, 0, -64280179802081954, 
            -64260088384031394}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x8, 0x7fffffffe038}, data = {prev = 0x0, cleanup = 0x0, canceltype = 8}}}
    not_first_call = <optimized out>

5 0x00005555555619ae in ?? ()

No symbol table info available. (gdb)

dumppi.txt

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Describe the bug Segmentation fault when restoring.

To Reproduce try to restore.

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

System: Desktop : Gnome

lsb_release -a

No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal

[CGA11]

Same issue for me running aarch64 on arm.