Kernel: Linux 4.19.42+ #1219 Tue May 14 21:16:38 BST 2019 armv6l GNU/Linux Hardware: Rasppery Pi Zero W
cat /etc/issue Raspbian GNU/Linux 9
Kernel panics happen after a day of running with no issues.
Stack trace is in the screenshot:
What are some hypothesis of the root cause? Hypothesis that can be tested for investigating this issue.