Keith Busch 7290c71ded block/bio: Do not zero user pages ...

commit f55adad601 upstream.

We don't need to zero fill the bio if not using kernel allocated pages.

Fixes: f3587d76da ("block: Clear kernel memory before copying to user") # v4.20-rc2
Reported-by: Todd Aiken <taiken@mvtech.ca>
Cc: Laurence Oberman <loberman@redhat.com>
Cc: stable@vger.kernel.org
Cc: Bart Van Assche <bvanassche@acm.org>
Tested-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-12-19 19:19:50 +01:00

..

partitions

partitions/aix: append null character to print data from disk

2018-07-27 09:17:41 -06:00

badblocks.c

badblocks: fix wrong return value in badblocks_set if badblocks are disabled

2017-11-03 11:29:50 -07:00

bfq-cgroup.c

block: bfq: swap puts in bfqg_and_blkg_put

2018-09-06 11:32:58 -06:00

bfq-iosched.c

block, bfq: reduce write overcharge

2018-08-16 13:08:13 -06:00

bfq-iosched.h

block, bfq: add/remove entity weights correctly

2018-07-09 09:07:52 -06:00

bfq-wf2q.c

block, bfq: correctly charge and reset entity service in all cases

2018-11-13 11:08:28 -08:00

bio-integrity.c

block: move bio_integrity_{intervals,bytes} into blkdev.h

2018-07-26 15:49:41 -06:00

bio.c

block/bio: Do not zero user pages

2018-12-19 19:19:50 +01:00

blk-cgroup.c

blk-cgroup: increase number of supported policies

2018-09-11 10:59:53 -06:00

blk-core.c

SCSI: fix queue cleanup race before queue initialization is done

2018-11-21 09:19:18 +01:00

blk-exec.c

blk-mq-sched: remove unused 'can_block' arg from blk_mq_sched_insert_request

2018-01-17 09:49:21 -07:00

blk-flush.c

block: fix use-after-free in block flush handling

2018-06-09 06:37:14 -06:00

blk-integrity.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

blk-ioc.c

block, mm: remove unnecessary __GFP_HIGH flag

2018-07-09 09:07:54 -06:00

blk-iolatency.c

block: make iolatency avg_lat exponentially decay

2018-08-02 09:58:14 -06:00

blk-lib.c

block: make sure writesame bio is aligned with logical block size

2018-11-13 11:08:16 -08:00

blk-map.c

Merge branch 'for-4.16/block' of git://git.kernel.dk/linux-block

2018-01-29 11:51:49 -08:00

blk-merge.c

block: make sure discard bio is aligned with logical block size

2018-11-13 11:08:16 -08:00

blk-mq-cpumap.c

blk-mq: don't keep offline CPUs mapped to hctx 0

2018-04-10 08:38:46 -06:00

blk-mq-debugfs-zoned.c

block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n

2018-07-09 09:07:52 -06:00

blk-mq-debugfs.c

blk-mq: dequeue request one by one from sw queue if hctx is busy

2018-07-09 09:07:53 -06:00

blk-mq-debugfs.h

block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n

2018-07-09 09:07:52 -06:00

blk-mq-pci.c

blk-mq: code clean-up by adding an API to clear set->mq_map

2018-07-09 09:07:53 -06:00

blk-mq-rdma.c

block: Add rdma affinity based queue mapping helper

2017-08-08 14:58:03 -04:00

blk-mq-sched.c

blk-mq: init hctx sched after update ctx and hctx mapping

2018-08-21 09:02:55 -06:00

blk-mq-sched.h

blk-mq: init hctx sched after update ctx and hctx mapping

2018-08-21 09:02:55 -06:00

blk-mq-sysfs.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

blk-mq-tag.c

blk-mq: Allow blocking queue tag iter callbacks

2018-09-25 20:17:59 -06:00

blk-mq-tag.h

Merge branch 'for-4.15/block' of git://git.kernel.dk/linux-block

2017-11-14 15:32:19 -08:00

blk-mq-virtio.c

blk-mq: provide a default queue mapping for virtio device

2017-02-27 20:54:05 +02:00

blk-mq.c

blk-mq: punt failed direct issue to dispatch list

2018-12-08 12:59:10 +01:00

blk-mq.h

blk-mq: issue directly if hw queue isn't busy in case of 'none'

2018-07-17 16:04:00 -06:00

blk-rq-qos.c

blk-rq-qos: make depth comparisons unsigned

2018-07-22 11:30:53 -06:00

blk-rq-qos.h

blk-rq-qos: make depth comparisons unsigned

2018-07-22 11:30:53 -06:00

blk-settings.c

block: allow max_discard_segments to be stacked

2018-07-24 14:46:39 -06:00

blk-softirq.c

block: fix timeout changes for legacy request drivers

2018-06-19 11:27:18 -06:00

blk-stat.c

blk-stat: export helpers for modifying blk_rq_stat

2018-07-09 09:07:54 -06:00

blk-stat.h

blk-stat: export helpers for modifying blk_rq_stat

2018-07-09 09:07:54 -06:00

blk-sysfs.c

blk-wbt: don't maintain inflight counts if disabled

2018-08-23 09:34:46 -06:00

blk-tag.c

Merge tag 'for-linus-20180616' of git://git.kernel.dk/linux-block

2018-06-17 05:37:55 +09:00

blk-throttle.c

blkcg: use tryget logic when associating a blkg with a bio

2018-08-31 14:48:58 -06:00

blk-timeout.c

blk-mq: Fix timeout handling in case the timeout handler returns BLK_EH_DONE

2018-06-23 10:25:45 -06:00

blk-wbt.c

blk-wbt: wake up all when we scale up, not down

2018-10-11 13:31:28 -06:00

blk-wbt.h

block: remove external dependency on wbt_flags

2018-07-09 09:07:54 -06:00

blk-zoned.c

block: Remove a superfluous cast from blkdev_report_zones()

2018-07-09 09:07:52 -06:00

blk.h

block: make sure discard bio is aligned with logical block size

2018-11-13 11:08:16 -08:00

bounce.c

block: copy ioprio in __bio_clone_fast() and bounce

2018-12-01 09:37:32 +01:00

bsg-lib.c

block/bsg-lib: use PTR_ERR_OR_ZERO to simplify the flow path

2018-08-01 09:13:03 -06:00

bsg.c

block: bsg: move atomic_t ref_count variable to refcount API

2018-08-27 19:17:02 -06:00

cfq-iosched.c

cfq: Suppress compiler warnings about comparisons

2018-08-07 17:57:13 -06:00

cmdline-parser.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

compat_ioctl.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

deadline-iosched.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

elevator.c

block: fix deadline elevator drain for zoned block devices

2018-09-26 19:57:24 -06:00

genhd.c

block: use nanosecond resolution for iostat

2018-09-21 20:26:59 -06:00

ioctl.c

block: pass inclusive 'lend' parameter to truncate_inode_pages_range

2018-02-23 15:20:19 -07:00

ioprio.c

block: add ioprio_check_cap function

2018-05-31 10:50:54 -04:00

Kconfig

block: introduce blk-iolatency io controller

2018-07-09 09:07:54 -06:00

Kconfig.iosched

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

kyber-iosched.c

block: kyber: make kyber more friendly with merging

2018-05-30 10:47:40 -06:00

Makefile

block: introduce blk-iolatency io controller

2018-07-09 09:07:54 -06:00

mq-deadline.c

block drivers/block: Use octal not symbolic permissions

2018-05-24 13:38:59 -06:00

noop-iosched.c

block: move existing elevator ops to union

2017-01-17 10:03:33 -07:00

opal_proto.h

block: sed-opal: Set MBRDone on S3 resume path if TPER is MBREnabled

2017-09-11 09:45:52 -06:00

partition-generic.c

block: use nanosecond resolution for iostat

2018-09-21 20:26:59 -06:00

scsi_ioctl.c

block: consistently use GFP_NOIO instead of __GFP_NORECLAIM

2018-05-14 08:55:18 -06:00

sed-opal.c

block: sed-opal: Fix a couple off by one bugs

2018-06-20 12:04:06 -06:00

t10-pi.c

block: move dif_prepare/dif_complete functions to block layer

2018-07-30 08:27:02 -06:00