On Thu, Jul 23, 2015 at 03:19:32PM -0700, Spencer Baugh wrote: > From: Alexei Potashnik <ale...@purestorage.com> > > If command didn't match a LUN and we're sending check condition, the > target_cmd_complete ftrace point will crash because it assumes that > cmd->t_task_cdb has been set. > > The fix will temporarily set t_task_cdb to the se_cmd buffer > and copy first 6 bytes of cdb in there as soon as possible. > At a later point t_task_cdb is reset to the correct buffer, > but until then traces and printks don't cause a crash.
This is too ugly to live. Just dropping the t_task_cdb dereference from the trace point sounds like the simples quick fix for now, and removing the crazy layering violation in iSCSI that opencode target_submit_cmd is the proper long term fix. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
