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linux-stable/drivers/target
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Nicholas Bellinger 4ff83daa02 target: Re-add check to reject control WRITEs with overflow data 
During v4.3 when the overflow/underflow check was relaxed by
commit c72c525022:

  commit c72c525022
  Author: Roland Dreier <roland@purestorage.com>
  Date:   Wed Jul 22 15:08:18 2015 -0700

       target: allow underflow/overflow for PR OUT etc. commands

to allow underflow/overflow for Windows compliance + FCP, a
consequence was to allow control CDBs to process overflow
data for iscsi-target with immediate data as well.

As per Roland's original change, continue to allow underflow
cases for control CDBs to make Windows compliance + FCP happy,
but until overflow for control CDBs is supported tree-wide,
explicitly reject all control WRITEs with overflow following
pre v4.3.y logic.

Reported-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Roland Dreier <roland@purestorage.com>
Cc: <stable@vger.kernel.org> # v4.3+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2017-05-15 20:20:29 -07:00
..
iscsi Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-05-12 11:44:13 -07:00
loopback target: Minimize #include directives 2016-12-09 10:22:28 -08:00
sbp sbp-target: Add an #include directive 2016-12-09 10:20:10 -08:00
tcm_fc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-03-02 14:52:05 -08:00
Kconfig block: make scsi_request and scsi ioctl support optional 2017-01-31 10:53:05 -07:00
Makefile target: Put TCMU under a new config option 2015-04-19 22:41:12 -07:00
target_core_alua.c target: Fix ALUA transition state race between multiple initiators 2017-03-30 23:12:40 -07:00
target_core_alua.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_configfs.c target: fixup error message in target_tg_pt_gp_tg_pt_gp_id_store() 2017-05-01 22:21:53 -07:00
target_core_device.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-05-12 11:44:13 -07:00
target_core_fabric_configfs.c target: Avoid mappedlun symlink creation during lun shutdown 2017-03-30 01:36:52 -07:00
target_core_fabric_lib.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_file.c target/fileio: Fix zero-length READ and WRITE handling 2017-05-07 16:05:16 -07:00
target_core_file.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_hba.c target: Fix target_sense_desc_format NULL pointer dereference 2015-09-24 23:17:23 -07:00
target_core_iblock.c target/iblock: convert iblock_req.pending from atomic_t to refcount_t 2017-05-01 22:20:43 -07:00
target_core_iblock.h target/iblock: convert iblock_req.pending from atomic_t to refcount_t 2017-05-01 22:20:43 -07:00
target_core_internal.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_pr.c target/user: PGR Support 2017-05-01 22:21:45 -07:00
target_core_pr.h target/pr: update PR out action code table 2017-05-01 22:20:44 -07:00
target_core_pscsi.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2017-05-12 11:44:13 -07:00
target_core_pscsi.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_rd.c target: Improve size determinations in two functions 2017-05-01 22:21:30 -07:00
target_core_rd.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_sbc.c Revert "target: Fix VERIFY and WRITE VERIFY command parsing" 2017-05-11 01:01:05 -07:00
target_core_spc.c target: Remove enum transport_lunflags_table 2016-03-10 21:48:55 -08:00
target_core_stat.c target: Add counters for ABORT_TASK success + failure 2017-02-26 16:21:06 -08:00
target_core_tmr.c target: Add counters for ABORT_TASK success + failure 2017-02-26 16:21:06 -08:00
target_core_tpg.c target: Don't force session reset if queue_depth does not change 2017-05-04 20:01:40 -07:00
target_core_transport.c target: Re-add check to reject control WRITEs with overflow data 2017-05-15 20:20:29 -07:00
target_core_ua.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-07-04 14:13:43 -07:00
target_core_ua.h target: Minimize #include directives 2016-12-09 10:22:28 -08:00
target_core_user.c tcmu: fix module removal due to stuck thread 2017-05-04 20:01:41 -07:00
target_core_xcopy.c target: Use correct SCSI status during EXTENDED_COPY exception 2017-02-08 07:46:54 -08:00
target_core_xcopy.h target: check for XCOPY parameter truncation 2017-01-10 08:41:27 -08:00