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linux/drivers/scsi
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Uday Shankar 022577b941 scsi: core: Restrict legal sdev_state transitions via sysfs 
[ Upstream commit 2331ce6126 ]

Userspace can currently write to sysfs to transition sdev_state to RUNNING
or OFFLINE from any source state. This causes issues because proper
transitioning out of some states involves steps besides just changing
sdev_state, so allowing userspace to change sdev_state regardless of the
source state can result in inconsistencies; e.g. with ISCSI we can end up
with sdev_state == SDEV_RUNNING while the device queue is quiesced. Any
task attempting I/O on the device will then hang, and in more recent
kernels, iscsid will hang as well.

More detail about this bug is provided in my first attempt:

https://groups.google.com/g/open-iscsi/c/PNKca4HgPDs/m/CXaDkntOAQAJ

Link: https://lore.kernel.org/r/20220924000241.2967323-1-ushankar@purestorage.com
Signed-off-by: Uday Shankar <ushankar@purestorage.com>
Suggested-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-11-10 18:17:25 +01:00
..
aacraid
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-08-04 19:47:37 -07:00
aic7xxx
scsi: aic7xxx: Use standard PCI subsystem, subdevice defines
2022-03-30 00:00:59 -04:00
aic94xx
scsi: libsas: Introduce struct smp_rps_resp
2022-06-10 13:08:06 -04:00
arcmsr
scsi: arcmsr: Switch to attribute groups
2021-10-16 21:45:54 -04:00
arm
scsi: arm: Move the SCSI pointer to private command data
2022-02-22 21:11:03 -05:00
be2iscsi
scsi: iscsi: Remove iscsi_get_task back_lock requirement
2022-06-21 21:19:23 -04:00
bfa
scsi: bfa: Remove unneeded flush_workqueue()
2022-04-25 23:38:38 -04:00
bnx2fc
scsi: bnx2fc: Avoid using get_cpu() in bnx2fc_cmd_alloc()
2022-05-16 21:26:50 -04:00
bnx2i
scsi: iscsi: Fix session removal on shutdown
2022-06-21 21:14:54 -04:00
csiostor
scsi: csio: Stop using the SCSI pointer
2022-02-22 21:11:04 -05:00
cxgbi
scsi: iscsi: Rename iscsi_conn_queue_work()
2022-06-21 21:19:22 -04:00
cxlflash
scsi: cxlflash: Include missing linux/irqdomain.h
2022-07-28 16:22:12 +10:00
device_handler
scsi/device_handlers: Use the new blk_opf_t type
2022-07-14 12:14:32 -06:00
elx
scsi: elx: efct: Remove NULL check after calling container_of()
2022-05-19 20:16:27 -04:00
esas2r
scsi: esas2r: Fix typo in comment
2022-05-23 23:24:09 -04:00
fcoe
scsi: fcoe: Remove redundant assignment to variable 'wlen'
2022-06-27 22:45:25 -04:00
fnic
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-08-04 19:47:37 -07:00
hisi_sas
scsi: hisi_sas: Modify v3 HW SATA completion error processing
2022-07-18 23:04:12 -04:00
ibmvscsi
scsi: ibmvfc: Store vhost pointer during subcrq allocation
2022-06-16 21:42:04 -04:00
ibmvscsi_tgt
scsi: ibmvscsis: Increase INITIAL_SRP_LIMIT to 1024
2022-03-29 23:39:24 -04:00
isci
scsi: isci: Fix typo in comment
2022-05-23 23:24:10 -04:00
libfc
scsi: libfc: Remove get_cpu() semantics in fc_exch_em_alloc()
2022-05-16 21:26:50 -04:00
libsas
scsi: libsas: Fix use-after-free bug in smp_execute_task_sg()
2022-10-21 12:38:50 +02:00
lpfc
scsi: lpfc: Fix memory leak in lpfc_create_port()
2022-10-29 10:08:33 +02:00
megaraid
Merge branch '5.20/scsi-queue' into 6.0/scsi-fixes
2022-08-19 17:28:54 -04:00
mpi3mr
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-08-04 19:47:37 -07:00
mpt3sas
scsi: mpt3sas: Fix return value check of dma_get_required_mask()
2022-09-15 22:24:28 -04:00
mvsas
scsi: mvsas: Add PCI ID of RocketRaid 2640
2022-04-06 22:27:08 -04:00
pcmcia
scsi: sym53c500_cs: Stop using struct scsi_pointer
2022-04-06 22:11:52 -04:00
pm8001
scsi: pm8001: Fix running_req for internal abort commands
2022-10-21 12:38:50 +02:00
qedf
scsi: qedf: Populate sysfs attributes for vport
2022-10-21 12:37:45 +02:00
qedi
scsi: iscsi: Fix session removal on shutdown
2022-06-21 21:14:54 -04:00
qla2xxx
scsi: qla2xxx: Use transport-defined speed mask for supported_speeds
2022-11-04 00:00:21 +09:00
qla4xxx
scsi: qla4xxx: Drop redundant memset()
2022-04-25 23:33:36 -04:00
smartpqi
scsi: smartpqi: Update version to 2.1.18-045
2022-07-13 23:42:05 -04:00
snic
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-08-04 19:47:37 -07:00
sym53c8xx_2
scsi: sym53c8xx_2: Remove redundant "with"
2022-06-21 21:41:19 -04:00
.gitignore
…
3w-9xxx.c
scsi: 3w-9xxx: Avoid disabling device if failing to enable it
2022-10-21 12:39:21 +02:00
3w-9xxx.h
scsi: 3w-9xxx: Fix endianness issues in command packets
2021-05-15 18:01:34 -04:00
3w-sas.c
scsi: 3w-sas: Remove useless DMA-32 fallback configuration
2022-01-24 23:30:28 -05:00
3w-sas.h
…
3w-xxxx.c
scsi: 3w-xxx: Remove redundant initialization of variable retval
2021-10-18 22:38:34 -04:00
3w-xxxx.h
…
53c700_d.h_shipped
…
53c700.c
scsi: 53c700: Stop clearing SCSI pointer fields
2022-02-22 21:11:03 -05:00
53c700.h
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
53c700.scr
…
a100u2w.c
scsi: a100u2w: Fix a kernel-doc warning
2021-11-29 23:02:13 -05:00
a100u2w.h
…
a2091.c
scsi: a2091: Convert m68k WD33C93 drivers to DMA API
2022-07-07 17:01:22 -04:00
a2091.h
…
a3000.c
scsi: a3000: Convert m68k WD33C93 drivers to DMA API
2022-07-07 17:01:22 -04:00
a3000.h
…
a4000t.c
…
advansys.c
scsi: advansys: Move the SCSI pointer to private command data
2022-02-22 21:11:03 -05:00
aha152x.c
scsi: aha152x: Stop using struct scsi_pointer
2022-03-29 23:42:18 -04:00
aha152x.h
…
aha1542.c
scsi: aha1542: Remove unneeded semicolon
2022-04-25 23:25:11 -04:00
aha1542.h
…
aha1740.c
scsi: Remove drivers/scsi/scsi.h
2022-02-22 21:11:02 -05:00
aha1740.h
…
am53c974.c
…
atari_scsi.c
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
atp870u.c
scsi: atp870u: Fix a kernel-doc warning
2021-11-29 23:02:13 -05:00
atp870u.h
…
BusLogic.c
scsi: BusLogic: Remove bus_to_virt()
2022-06-27 22:52:05 -04:00
BusLogic.h
scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic
2021-05-14 22:19:04 -04:00
bvme6000_scsi.c
…
ch.c
scsi: ch: Do not initialise statics to 0
2022-07-26 22:13:29 -04:00
constants.c
scsi: core: Introduce enums for the SAM and host status codes
2021-06-02 23:09:39 -04:00
dc395x.c
scsi: dc395x: Fix a missing check on list iterator
2022-04-26 08:51:56 -04:00
dc395x.h
…
dmx3191d.c
scsi: NCR5380: Remove the NCR5380_CMD_SIZE macro
2022-02-22 21:11:03 -05:00
esp_scsi.c
scsi: esp_scsi: Stop using the SCSI pointer
2022-02-22 21:11:04 -05:00
esp_scsi.h
scsi: esp_scsi: Stop using the SCSI pointer
2022-02-22 21:11:04 -05:00
fdomain_isa.c
…
fdomain_pci.c
…
fdomain.c
scsi: fdomain: Move the SCSI pointer to private command data
2022-02-22 21:11:04 -05:00
fdomain.h
…
FlashPoint.c
scsi: FlashPoint: Remove redundant variable bm_int_st
2022-08-01 19:52:03 -04:00
g_NCR5380.c
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
gvp11.c
scsi: gvp11.c: Fix DMA mask calculation error
2022-07-13 23:18:26 -04:00
gvp11.h
…
hosts.c
scsi: core: Fix a use-after-free
2022-09-01 01:02:10 -04:00
hpsa_cmd.h
…
hpsa.c
scsi: hpsa: Remove an unused variable in hpsa_update_scsi_devices()
2021-12-13 23:34:01 -05:00
hpsa.h
…
hptiop.c
scsi: hptiop: Stop using the SCSI pointer
2022-02-22 21:11:04 -05:00
hptiop.h
scsi: hptiop: Stop using the SCSI pointer
2022-02-22 21:11:04 -05:00
imm.c
scsi: imm: Move the SCSI pointer to private command data
2022-02-22 21:11:04 -05:00
imm.h
scsi: imm: Move the SCSI pointer to private command data
2022-02-22 21:11:04 -05:00
initio.c
scsi: initio: Stop using the SCSI pointer
2022-02-22 21:11:05 -05:00
initio.h
scsi: initio: Stop using the SCSI pointer
2022-02-22 21:11:05 -05:00
ipr.c
scsi: ipr: Fix missing/incorrect resource cleanup in error case
2022-06-07 22:05:14 -04:00
ipr.h
scsi: ipr: System crashes when seeing type 20 error
2021-06-29 16:46:08 -04:00
ips.c
scsi: Remove drivers/scsi/scsi.h
2022-02-22 21:11:02 -05:00
ips.h
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
iscsi_boot_sysfs.c
…
iscsi_tcp.c
scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()
2022-10-21 12:38:50 +02:00
iscsi_tcp.h
scsi: iscsi: iscsi_tcp: Fix null-ptr-deref while calling getpeername()
2022-10-21 12:38:50 +02:00
jazz_esp.c
…
Kconfig
scsi: dpt_i2o: Remove obsolete driver
2022-06-27 22:56:21 -04:00
lasi700.c
parisc: Make struct parisc_driver::remove() return void
2021-08-30 10:18:25 +02:00
libiscsi_tcp.c
scsi: iscsi: Remove iscsi_get_task back_lock requirement
2022-06-21 21:19:23 -04:00
libiscsi.c
scsi: libiscsi: Improve conn_send_pdu API
2022-06-21 21:19:23 -04:00
mac53c94.c
scsi: mac53c94: Fix warning comparing pointer to 0
2022-04-25 23:23:05 -04:00
mac53c94.h
scsi: mac53c94: Stop using struct scsi_pointer
2022-02-27 21:35:30 -05:00
mac_esp.c
…
mac_scsi.c
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
Makefile
scsi: dpt_i2o: Remove obsolete driver
2022-06-27 22:56:21 -04:00
megaraid.c
scsi: megaraid: Fix error check return value of register_chrdev()
2022-04-26 09:02:44 -04:00
megaraid.h
scsi: megaraid: Stop using the SCSI pointer
2022-02-22 21:11:05 -05:00
mesh.c
powerpc/powermac: Remove empty function note_scsi_host()
2022-06-26 10:29:44 +10:00
mesh.h
scsi: mesh: Stop using struct scsi_pointer
2022-02-27 21:34:02 -05:00
mvme16x_scsi.c
…
mvme147.c
scsi: wd33c93: Move the SCSI pointer to private command data
2022-02-22 21:11:07 -05:00
mvme147.h
…
mvumi.c
scsi: mvumi: Stop using the SCSI pointer
2022-02-22 21:11:06 -05:00
mvumi.h
scsi: mvumi: Stop using the SCSI pointer
2022-02-22 21:11:06 -05:00
myrb.c
scsi: myrb: Fix up null pointer access on myrb_cleanup()
2022-05-23 23:24:10 -04:00
myrb.h
…
myrs.c
scsi: myrs: Fix crash in error case
2022-01-25 00:09:41 -05:00
myrs.h
…
ncr53c8xx.c
scsi: zalon: Stop using the SCSI pointer
2022-02-22 21:11:07 -05:00
ncr53c8xx.h
scsi: zalon: Stop using the SCSI pointer
2022-02-22 21:11:07 -05:00
NCR5380.c
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
NCR5380.h
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
nsp32_debug.c
…
nsp32_io.h
…
nsp32.c
scsi: nsp32: Stop using the SCSI pointer
2022-02-22 21:11:06 -05:00
nsp32.h
scsi: nsp32: Stop using the SCSI pointer
2022-02-22 21:11:06 -05:00
pmcraid.c
scsi: pmcraid: Fix missing resource cleanup in error case
2022-06-07 22:05:14 -04:00
pmcraid.h
scsi: pmcraid: Remove the PMCRAID_PASSTHROUGH_IOCTL ioctl implementation
2022-03-29 23:32:26 -04:00
ppa.c
scsi: ppa: Move the SCSI pointer to private command data
2022-02-22 21:11:06 -05:00
ppa.h
…
ps3rom.c
scsi: core: Remove the 'done' argument from SCSI queuecommand_lck functions
2021-10-16 21:32:16 -04:00
qla1280.c
scsi: qla1280: Remove redundant variable
2022-05-19 20:26:21 -04:00
qla1280.h
scsi: qla1280: Move the SCSI pointer to private command data
2022-02-22 21:11:06 -05:00
qlogicfas408.c
scsi: Remove drivers/scsi/scsi.h
2022-02-22 21:11:02 -05:00
qlogicfas408.h
…
qlogicfas.c
scsi: Remove drivers/scsi/scsi.h
2022-02-22 21:11:02 -05:00
qlogicpti.c
scsi: core: Remove the 'done' argument from SCSI queuecommand_lck functions
2021-10-16 21:32:16 -04:00
qlogicpti.h
…
raid_class.c
…
script_asm.pl
…
scsi_bsg.c
scsi: bsg: Drop needless assignment in scsi_bsg_sg_io_fn()
2022-03-15 14:05:02 -04:00
scsi_common.c
scsi: core: Rename CONFIG_BLK_SCSI_REQUEST to CONFIG_SCSI_COMMON
2021-07-28 22:24:27 -04:00
scsi_debug.c
scsi: scsi_debug: Fix zone transition to full condition
2022-06-10 12:50:05 -04:00
scsi_debugfs.c
scsi: core: Remove struct scsi_request
2022-03-01 22:21:50 -05:00
scsi_debugfs.h
…
scsi_devinfo.c
scsi: core: Add BLIST_IGN_MEDIA_CHANGE for Ultra HS-SD/MMC USB card readers
2021-07-21 23:49:02 -04:00
scsi_dh.c
…
scsi_error.c
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2022-08-04 19:47:37 -07:00
scsi_ioctl.c
scsi: core: Fix warning in scsi_alloc_sgtables()
2022-07-26 21:54:30 -04:00
scsi_lib_dma.c
…
scsi_lib.c
scsi: core: Fix a use-after-free
2022-09-01 01:02:10 -04:00
scsi_logging.c
scsi: core: scsi_logging: Fix a BUG
2022-03-29 23:29:19 -04:00
scsi_logging.h
…
scsi_netlink.c
…
scsi_pm.c
scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume()
2021-12-22 23:38:29 -05:00
scsi_priv.h
scsi: core: Fix a use-after-free
2022-09-01 01:02:10 -04:00
scsi_proc.c
proc: remove PDE_DATA() completely
2022-01-22 08:33:37 +02:00
scsi_sas_internal.h
…
scsi_scan.c
scsi: core: Fix a use-after-free
2022-09-01 01:02:10 -04:00
scsi_sysctl.c
…
scsi_sysfs.c
scsi: core: Restrict legal sdev_state transitions via sysfs
2022-11-10 18:17:25 +01:00
scsi_trace.c
…
scsi_transport_api.h
…
scsi_transport_fc.c
scsi: scsi_transport_fc: Fix FPIN Link Integrity statistics counters
2022-03-01 23:56:27 -05:00
scsi_transport_iscsi.c
Merge branch '5.19/scsi-fixes' into 5.20/scsi-staging
2022-07-07 17:20:43 -04:00
scsi_transport_sas.c
scsi: scsi_transport_sas: cap shost opt_sectors according to DMA optimal limit
2022-07-19 11:11:49 +02:00
scsi_transport_spi.c
scsi: scsi_transport_spi: Use scsi_cmd_to_rq() instead of scsi_cmnd.request
2021-08-11 22:25:37 -04:00
scsi_transport_srp.c
…
scsi.c
scsi: core: Revert "Simplify LLD module reference counting"
2022-09-01 01:02:10 -04:00
scsicam.c
scsicam: Fix use of page cache
2022-05-08 14:28:18 -04:00
sd_dif.c
scsi: sd: Reorganize DIF/DIX code to avoid calling revalidate twice
2022-05-02 16:59:11 -04:00
sd_zbc.c
treewide: Rename enum req_opf into enum req_op
2022-07-14 12:14:30 -06:00
sd.c
scsi: sd: Revert "Rework asynchronous resume support"
2022-08-22 22:45:25 -04:00
sd.h
scsi: sd: Revert "Rework asynchronous resume support"
2022-08-22 22:45:25 -04:00
sense_codes.h
…
ses.c
scsi: ses: Fix unsigned comparison with less than zero
2021-09-28 22:42:06 -04:00
sg.c
scsi: sg: Allow waiting for commands to complete on removed device
2022-07-18 22:33:04 -04:00
sgiwd93.c
scsi: wd33c93: Move the SCSI pointer to private command data
2022-02-22 21:11:07 -05:00
sim710.c
…
sni_53c710.c
treewide: remove editor modelines and cruft
2021-05-07 00:26:34 -07:00
sr_ioctl.c
scsi: sr: Do not leak information in ioctl
2022-04-18 22:48:31 -04:00
sr_vendor.c
scsi: sr: Don't use GFP_DMA
2021-12-22 23:41:13 -05:00
sr.c
block: simplify disk shutdown
2022-06-28 06:30:26 -06:00
sr.h
sr: implement ->free_disk to simplify refcounting
2022-03-08 19:40:01 -07:00
st_options.h
…
st.c
blk-mq: remove the done argument to blk_execute_rq_nowait
2022-05-28 06:15:27 -06:00
st.h
scsi: don't use disk->private_data to find the scsi_driver
2022-03-08 19:40:00 -07:00
stex.c
scsi: stex: Properly zero out the passthrough command structure
2022-10-15 08:02:56 +02:00
storvsc_drv.c
scsi: storvsc: Remove WQ_MEM_RECLAIM from storvsc_error_wq
2022-08-11 22:25:23 -04:00
sun3_scsi_vme.c
…
sun3_scsi.c
scsi: NCR5380: Add SCp members to struct NCR5380_cmd
2022-02-22 21:11:03 -05:00
sun3x_esp.c
…
sun_esp.c
…
virtio_scsi.c
scsi: virtio-scsi: Eliminate anonymous module_init & module_exit
2022-03-29 23:49:56 -04:00
vmw_pvscsi.c
scsi: vmw_pvscsi: No need to clear memory after a dma_alloc_coherent() call
2022-04-06 23:01:54 -04:00
vmw_pvscsi.h
scsi: vmw_pvscsi: Expand vcpuHint to 16 bits
2022-06-07 21:30:56 -04:00
wd33c93.c
scsi: wd33c93: Move the SCSI pointer to private command data
2022-02-22 21:11:07 -05:00
wd33c93.h
scsi: wd33c93: Move the SCSI pointer to private command data
2022-02-22 21:11:07 -05:00
wd719x.c
scsi: wd719x: Return proper error code when dma_set_mask() fails
2022-03-01 23:56:28 -05:00
wd719x.h
scsi: wd719x: Stop using the SCSI pointer
2022-02-22 21:11:07 -05:00
xen-scsifront.c
xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring()
2022-05-19 14:22:03 +02:00
zalon.c
scsi: zalon: Stop using the SCSI pointer
2022-02-22 21:11:07 -05:00
zorro7xx.c
scsi: zorro7xx: Fix a resource leak in zorro7xx_remove_one()
2022-03-30 00:05:42 -04:00
zorro_esp.c
…