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SubjectRe: [PATCH 062/190] Revert "scsi: libfc: remove unnecessary assertion on ep variable"
On Wed, Apr 21, 2021 at 02:58:57PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit 52b894393cecdc303990e834778d39b85d0553fc.
>
> Commits from @umn.edu addresses have been found to be submitted in "bad
> faith" to try to test the kernel community's ability to review "known
> malicious" changes. The result of these submissions can be found in a
> paper published at the 42nd IEEE Symposium on Security and Privacy
> entitled, "Open Source Insecurity: Stealthily Introducing
> Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> of Minnesota) and Kangjie Lu (University of Minnesota).
>
> Because of this, all submissions from this group must be reverted from
> the kernel tree and will need to be re-reviewed again to determine if
> they actually are a valid fix. Until that work is complete, remove this
> change to ensure that no problems are being introduced into the
> codebase.
>
> Cc: https
> Cc: Hannes Reinecke <hare@suse.de>
> Cc: Aditya Pakki <pakki001@umn.edu>
> Cc: Martin K. Petersen <martin.petersen@oracle.com>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> ---
> drivers/target/tcm_fc/tfc_io.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
> index bbe2e29612fa..15d557a11f63 100644
> --- a/drivers/target/tcm_fc/tfc_io.c
> +++ b/drivers/target/tcm_fc/tfc_io.c
> @@ -220,6 +220,7 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp)
> ep = fc_seq_exch(seq);
> lport = ep->lp;
> if (cmd->was_ddp_setup) {
> + BUG_ON(!ep);
> BUG_ON(!lport);
> /*
> * Since DDP (Large Rx offload) was setup for this request,
> --
> 2.31.1
>

The original was obviously correct, so I'll drop this revert.

thanks,

greg k-h

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