P.S.
Please consider this additional dmesg diagnostics possibly coinciding with the kill -KILL <stale pids>:
[Sat Mar 9 15:18:05 2024] proc-empty-vm[1007004] vsyscall read attempt denied -- look up the vsyscall kernel parameter if you need a workaround ip:5a0754238702 cs:33 sp:7ffed57b6ec0 ax:0 si:0 di:0 [Sat Mar 9 15:18:06 2024] proc-pid-vm[1007025] vsyscall read attempt denied -- look up the vsyscall kernel parameter if you need a workaround ip:5cf038710e22 cs:33 sp:7ffc3cc4ee60 ax:0 si:0 di:0 [Sat Mar 9 15:18:08 2024] ICMPv6: process `read' is using deprecated sysctl (syscall) net.ipv6.neigh.default.base_reachable_time - use net.ipv6.neigh.default.base_reachable_time_ms instead [Sat Mar 9 15:18:09 2024] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-buffer(z) [Sat Mar 9 15:18:55 2024] signal: openat2_test[1025119] overflowed sigaltstack [Sat Mar 9 15:18:55 2024] signal: resolve_test[1025139] overflowed sigaltstack
Best regards, Mirsad Todorovac