This is a note to let you know that I've just added the patch titled
iscsi-target: Avoid rejecting incorrect ITT for Data-Out
to the 3.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iscsi-target-avoid-rejecting-incorrect-itt-for-data-out.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 97c99b47ac58bacb7c09e1f47d5d184434f6b06a Mon Sep 17 00:00:00 2001
From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Date: Fri, 20 Jun 2014 10:59:57 -0700
Subject: iscsi-target: Avoid rejecting incorrect ITT for Data-Out
From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
commit 97c99b47ac58bacb7c09e1f47d5d184434f6b06a upstream.
This patch changes iscsit_check_dataout_hdr() to dump the incoming
Data-Out payload when the received ITT is not associated with a
WRITE, instead of calling iscsit_reject_cmd() for the non WRITE
ITT descriptor.
This addresses a bug where an initiator sending an Data-Out for
an ITT associated with a READ would end up generating a reject
for the READ, eventually resulting in list corruption.
Reported-by: Santosh Kulkarni <santosh.kulkarni@xxxxxxxxxxxxxx>
Reported-by: Arshad Hussain <arshad.hussain@xxxxxxxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/target/iscsi/iscsi_target.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1309,7 +1309,7 @@ iscsit_check_dataout_hdr(struct iscsi_co
if (cmd->data_direction != DMA_TO_DEVICE) {
pr_err("Command ITT: 0x%08x received DataOUT for a"
" NON-WRITE command.\n", cmd->init_task_tag);
- return iscsit_reject_cmd(cmd, ISCSI_REASON_PROTOCOL_ERROR, buf);
+ return iscsit_dump_data_payload(conn, payload_length, 1);
}
se_cmd = &cmd->se_cmd;
iscsit_mod_dataout_timer(cmd);
Patches currently in stable-queue which might be from nab@xxxxxxxxxxxxxxx are
queue-3.15/iscsi-target-avoid-rejecting-incorrect-itt-for-data-out.patch
queue-3.15/target-fix-left-over-se_lun-lun_sep-pointer-oops.patch
queue-3.15/iscsi-target-explicily-clear-login-response-pdu-in-exception-path.patch
queue-3.15/iscsi-target-fix-iscsit_del_np-deadlock-on-unload.patch
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