linux-kernel - Re: [SCSI] bfa: Implement LUN Masking feature using the SCSI Slave Callouts.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20120627090555.GN31212@elgon.mountain>
Date:	Wed, 27 Jun 2012 12:05:55 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	kgudipat@...cade.com
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [SCSI] bfa: Implement LUN Masking feature using the SCSI Slave
 Callouts.

Hi,

This bug is still present in linux-next.

regards,
dan carpenter

On Wed, Jan 11, 2012 at 12:32:34PM +0300, Dan Carpenter wrote:
> Hello Krishna Gudipati,
> 
> This is a semi-automatic email about new static checker warnings.
> 
> The patch 5b7db7af522d: "[SCSI] bfa: Implement LUN Masking feature 
> using the SCSI Slave Callouts." from Dec 20, 2011, leads to the 
> following Smatch complaint:
> 
> drivers/scsi/bfa/bfad_im.c +962 bfad_im_slave_alloc()
> 	 warn: variable dereferenced before check 'rport' (see line 959)
> 
> drivers/scsi/bfa/bfad_im.c
>    957          struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
>    958		struct bfad_itnim_data_s *itnim_data =
>    959					(struct bfad_itnim_data_s *) rport->dd_data;
>                                                                      ^^^^^^^
> New dereference.
> 
>    960		struct bfa_s *bfa = itnim_data->itnim->bfa_itnim->bfa;
>    961	
>    962		if (!rport || fc_remote_port_chkready(rport))
>                      ^^^^^
> Old check.
> 
>    963			return -ENXIO;
>    964	
> 
> regards,
> dan carpenter
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/