RE: [PATCH v3 2/3] target: fix NULL pointer dereference

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> > Maybe move this to after target_get_sess_cmd().
> 
> I moved it before target_get_sess_cmd() because if target_get_sess_cmd() fails
> then we have NULL pointer dereference issue again. For instance, the sequence
>   vhost_scsi_submission_work
>      target_submit_cmd_map_sgls
>        target_get_sess_cmd() -- Suppose this fails
>      transport_send_check_condition_and_sense
>         trace_target_cmd_complete -- NULL ptr derefence.
> 
> Still thinking how to address both these issues together.

Also, noticed that not all callers of target_get_sess_cmd() check for return value.( iscsit_setup_scsi_cmd() and iscsit_handle_task_mgt_cmd()). Could this cause problems?

-Sudhakar





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