Kafs 6.16.0-rc3 BUG: kernel NULL pointer dereference

markus.suvanto at gmail.com markus.suvanto at gmail.com
Tue Jul 8 08:45:55 PDT 2025


ti, 2025-07-08 kello 15:59 +0100, David Howells kirjoitti:
> Hi Markus,
> 
> Can you try applying the attached patch?  It just adds another couple of
> tracepoints.  And then turn on these on along with the previous:

Now running 6.16.0-rc5-00001-g4268fdfc96ea (git am your_last_mail).
I also enable:
  echo 1 > /sys/kernel/tracing/events/afs/afs_cm_no_server/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_cm_no_server_u/enable
  echo 1 > /sys/kernel/tracing/events/error_report/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_new_server/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_new_server/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_del_server/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_cm_no_server/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_cm_no_server_u/enable
  echo 1 > /sys/kernel/tracing/events/error_report/enable
  echo 1 > /sys/kernel/tracing/events/afs/afs_server/enable

I will report back if I manage to reproduce the Ooops.

-Markus




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