Kafs 6.16.0-rc3 BUG: kernel NULL pointer dereference

[markus.suvanto at gmail.com]

ti, 2025-07-08 kello 13:54 +0100, David Howells kirjoitti:
> Was there anything interesting in the trace log?
> 
> 	tail -100 /sys/kernel/debug/tracing/trace
> 
> or:
> 
> 	tail -100 /sys/kernel/tracing/trace
> 
> David

I didn't know that there was "/sys/kernel/tracing/trace" so I don't know.
I will use those command next time.

Currently I'm using 6.16.0-rc5 and no Oops yet and
above command gives me:


t470 ~ # tail -100 /sys/kernel/tracing/trace
# tracer: nop
#
# entries-in-buffer/entries-written: 1/1   #P:4
#
#                                _-----=> irqs-off/BH-disabled
#                               / _----=> need-resched
#                              | / _---=> hardirq/softirq
#                              || / _--=> preempt-depth
#                              ||| / _-=> migrate-disable
#                              |||| /     delay
#           TASK-PID     CPU#  |||||  TIMESTAMP  FUNCTION
#              | |         |   |||||     |         |
  kworker/u16:13-493     [002] .....   137.439487: afs_cm_no_server_u: c=00000008 op=213 008b99f8-0385-17be-87a7-
d2b8fea9aa77

-Markus