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Qinglang Miao 1b4f4a160b s390/cio: fix use-after-free in ccw_device_destroy_console 
[ Upstream commit 14d4c4fa46eeaa3922e8e1c4aa727eb0a1412804 ]

Use of sch->dev reference after the put_device() call could trigger
the use-after-free bugs.

Fix this by simply adjusting the position of put_device.

Fixes: 37db8985b211 ("s390/cio: add basic protected virtualization support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
[vneethv@linux.ibm.com: Slight modification in the commit-message]
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:53:46 +01:00
..
airq.c
s390/irq: replace setup_irq() by request_irq()
2020-03-11 14:18:44 +01:00
blacklist.c
s390/cio: cio_ignore_proc_seq_next should increase position index
2020-02-17 18:01:57 +01:00
blacklist.h
…
ccwgroup.c
s390/ccwgroup: remove pm support
2020-03-27 10:22:47 +01:00
ccwreq.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
chp.c
s390/cio: use kobj_to_dev() API
2020-02-17 18:01:57 +01:00
chp.h
…
chsc_sch.c
driver_find_device: Unify the match function with class_find_device()
2019-06-24 05:22:31 +02:00
chsc_sch.h
…
chsc.c
s390 updates for the 5.10 merge window
2020-10-16 12:36:38 -07:00
chsc.h
s390/cio: Helper functions to read CSSID, IID, and CHID
2020-09-15 13:21:46 -07:00
cio_debug.h
…
cio.c
s390/irq: replace setup_irq() by request_irq()
2020-03-11 14:18:44 +01:00
cio.h
s390/cio: fix virtio-ccw DMA without PV
2019-10-10 10:49:46 +02:00
cmf.c
…
crw.c
…
css.c
s390 updates for the 5.10 merge window
2020-10-16 12:36:38 -07:00
css.h
s390/cio: Helper functions to read CSSID, IID, and CHID
2020-09-15 13:21:46 -07:00
device_fsm.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device_id.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device_ops.c
s390/cio: Helper functions to read CSSID, IID, and CHID
2020-09-15 13:21:46 -07:00
device_pgid.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device_status.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device.c
s390/cio: fix use-after-free in ccw_device_destroy_console
2020-12-30 11:53:46 +01:00
device.h
s390: remove orphaned function declarations
2020-09-30 12:09:54 +02:00
eadm_sch.c
…
eadm_sch.h
…
fcx.c
…
idset.c
s390/cio: Remove unused inline function idset_sch_get_first
2020-05-20 10:22:49 +02:00
idset.h
…
io_sch.h
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
ioasm.c
…
ioasm.h
…
isc.c
…
itcw.c
…
Makefile
vfio-ccw: Introduce a new schib region
2020-06-02 13:14:08 +02:00
orb.h
…
qdio_debug.c
s390/qdio: fix statistics for 128 SBALs
2020-07-20 10:55:18 +02:00
qdio_debug.h
s390/qdio: cleanly split alloc and establish
2020-04-06 13:13:50 +02:00
qdio_main.c
s390/qdio: always use dev_name() for device name in QIB
2020-09-14 10:30:07 +02:00
qdio_setup.c
s390/qdio: always use dev_name() for device name in QIB
2020-09-14 10:30:07 +02:00
qdio_thinint.c
s390/qdio: consolidate thinint init/exit
2020-04-28 13:49:47 +02:00
qdio.h
s390/qdio: remove internal polling in non-thinint path
2020-07-20 10:55:26 +02:00
scm.c
bus_find_device: Unify the match callback with class_find_device
2019-06-24 05:22:31 +02:00
trace.c
…
trace.h
…
vfio_ccw_async.c
vfio-ccw: make vfio_ccw_async_region_ops static
2019-07-29 18:05:03 +02:00
vfio_ccw_chp.c
vfio-ccw: Fix a build error due to missing include of linux/slab.h
2020-07-03 11:41:31 +02:00
vfio_ccw_cp.c
vfio-ccw: Enable transparent CCW IPL from DASD
2020-06-02 13:14:08 +02:00
vfio_ccw_cp.h
vfio-ccw: Refactor how the traces are built
2019-10-17 11:35:56 +02:00
vfio_ccw_drv.c
vfio-ccw: Add trace for CRW event
2020-06-03 11:28:19 +02:00
vfio_ccw_fsm.c
vfio-ccw: Rework the io_fctl trace
2019-10-17 11:37:24 +02:00
vfio_ccw_ops.c
vfio-ccw: Introduce a new CRW region
2020-06-03 11:27:43 +02:00
vfio_ccw_private.h
vfio-ccw: Wire up the CRW irq and CRW region
2020-06-03 11:28:19 +02:00
vfio_ccw_trace.c
vfio-ccw: Add trace for CRW event
2020-06-03 11:28:19 +02:00
vfio_ccw_trace.h
vfio-ccw: Add trace for CRW event
2020-06-03 11:28:19 +02:00