Re: [PATCH] scsi: core: initialize cmd->cmnd before it is used

[Tadeusz Struk]

On 11/1/21 13:06, Bart Van Assche wrote:
> This patch is a duplicate and has been posted before.
>
> Please take a look at 
> https://lore.kernel.org/linux-scsi/20210904064534.1919476-1-qiulaibin@xxxxxxxxxx/.
>  From the replies to that email:
> "> Thinking further about this: is there any code left that depends on
>  > scsi_setup_scsi_cmnd() setting cmd->cmd_len? Can the cmd->cmd_len
>  > assignment be removed from scsi_setup_scsi_cmnd()?
>
> cmd_len should never be 0 now, so I think we can remove it."

Thanks for quick response, but I'm not sure if statement
"cmd_len should never be 0 now" is correct, because the cmd_len is
in fact equal to 0 here and this BUG can be triggered on mainline, 5.14,
and 5.10 stable kernels.

--
Thanks,
Tadeusz