Syncthing is crashing

Hi there! I have a problem with my Syncthing installation. It works on my old NAS with 1Gb RAM and weak 2core CPU.

Linux 6.17.7-mvebu-tld-1 #1 SMP PREEMPT Tue Nov 4 16:19:08 PST 2025 armv7l GNU/Linux

syncthing v2.1.0 “Hafnium Hornet” (go1.26.3 linux-arm)

free -h total used free shared buff/cache available Mem: 996Mi 478Mi 115Mi 884Ki 651Mi 518Mi Swap: 6.0Gi 74Mi 5.9Gi

So sometimes Syncthing is crashing when new device appearing in LAN (PC booted up) and sometimes randomly. I disabled all the services and left only Syncthing+updated it till the latest version. But from what I could see, it works unstable.

For now, there is only 1Tb folders/files, not so much. I found various crash-logs but they are looking the same. The only difference in the last folder, where Syncthing crashed.

panic-20260418-163125.reported.log (158.3 KB)

What also can I provide to find out where is the issue?

PS: I added loooong time ago that Options - Max Folder Concurrency - 1

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