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2878feaed5
linux/drivers/md
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Coly Li 2878feaed5 bcache: Revert "bcache: use bvec_virt" 
This reverts commit 2fd3e5efe7.

The above commit replaces page_address(bv->bv_page) by bvec_virt(bv) to
avoid directly access to bv->bv_page, but in situation bv->bv_offset is
not zero and page_address(bv->bv_page) is not equal to bvec_virt(bv). In
such case a memory corruption may happen because memory in next page is
tainted by following line in do_btree_node_write(),
	memcpy(bvec_virt(bv), addr, PAGE_SIZE);

This patch reverts the mentioned commit to avoid the memory corruption.

Fixes: 2fd3e5efe7 ("bcache: use bvec_virt")
Signed-off-by: Coly Li <colyli@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org # 5.15
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211103151041.70516-1-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-11-08 06:23:17 -07:00
..
bcache bcache: Revert "bcache: use bvec_virt" 2021-11-08 06:23:17 -07:00
persistent-data dm btree remove: assign new_root only when removal succeeds 2021-06-25 15:25:24 -04:00
dm-bio-prison-v1.c
dm-bio-prison-v1.h
dm-bio-prison-v2.c
dm-bio-prison-v2.h
dm-bio-record.h block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
dm-bufio.c dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size 2021-03-04 14:53:54 -05:00
dm-builtin.c
dm-cache-background-tracker.c
dm-cache-background-tracker.h
dm-cache-block-types.h
dm-cache-metadata.c dm: use bdev_read_only to check if a device is read-only 2021-01-24 18:15:57 -07:00
dm-cache-metadata.h
dm-cache-policy-internal.h
dm-cache-policy-smq.c
dm-cache-policy.c
dm-cache-policy.h
dm-cache-target.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-clone-metadata.c dm clone metadata: remove unused function 2021-04-19 13:20:31 -04:00
dm-clone-metadata.h
dm-clone-target.c dm clone: make array 'descs' static 2021-10-12 13:54:10 -04:00
dm-core.h dm ima: measure data on table load 2021-08-10 13:32:40 -04:00
dm-crypt.c block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
dm-delay.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-dust.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-ebs-target.c - Add DM infrastructure for IMA-based remote attestion. These changes 2021-08-31 14:55:09 -07:00
dm-era-target.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-exception-store.c
dm-exception-store.h
dm-flakey.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-ima.c mm: don't include <linux/blk-cgroup.h> in <linux/backing-dev.h> 2021-10-18 06:17:01 -06:00
dm-ima.h dm ima: add version info to dm related events in ima log 2021-08-20 15:59:47 -04:00
dm-init.c dm init: Set file local variable static 2020-08-04 15:51:28 -04:00
dm-integrity.c - Add DM infrastructure for IMA-based remote attestion. These changes 2021-08-31 14:55:09 -07:00
dm-io-tracker.h dm writecache: make writeback pause configurable 2021-06-28 16:30:13 -04:00
dm-io.c block: Add bio_max_segs 2021-02-26 15:49:51 -07:00
dm-ioctl.c dm ima: measure data on device rename 2021-08-10 13:34:23 -04:00
dm-kcopyd.c dm writecache: have ssd writeback wait if the kcopyd workqueue is busy 2021-06-15 15:42:03 -04:00
dm-linear.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-log-userspace-base.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-log.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-mpath.c dm ima: update dm target attributes for ima measurements 2021-08-20 16:07:36 -04:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-ps-historical-service-time.c block: drop unused includes in <linux/blkdev.h> 2021-10-18 06:17:01 -06:00
dm-ps-io-affinity.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-ps-queue-length.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-ps-round-robin.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-ps-service-time.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-raid1.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-raid.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-region-hash.c
dm-rq.c block: remove the unused rq_end_sector macro 2021-10-18 06:17:01 -06:00
dm-rq.h
dm-snap-persistent.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-snap-transient.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-snap.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-stats.c
dm-stats.h
dm-stripe.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-switch.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-sysfs.c
dm-table.c block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
dm-target.c
dm-thin-metadata.c dm space maps: improve performance with inc/dec on ranges of blocks 2021-06-04 12:07:22 -04:00
dm-thin-metadata.h
dm-thin.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-uevent.c
dm-uevent.h
dm-unstripe.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-verity-fec.c dm verity fec: fix misaligned RS roots IO 2021-04-14 14:28:29 -04:00
dm-verity-fec.h dm verity fec: fix misaligned RS roots IO 2021-04-14 14:28:29 -04:00
dm-verity-target.c block: move struct request to blk-mq.h 2021-10-18 06:17:02 -06:00
dm-verity-verify-sig.c dm verity: fix require_signatures module_param permissions 2021-05-25 16:14:05 -04:00
dm-verity-verify-sig.h dm verity: Fix compilation warning 2020-08-04 15:48:13 -04:00
dm-verity.h dm verity: add "panic_on_corruption" error handling mode 2020-07-13 11:47:33 -04:00
dm-writecache.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-zero.c dm: add support for REQ_NOWAIT to various targets 2020-12-04 18:04:35 -05:00
dm-zone.c dm zone: fix dm_revalidate_zones() memory allocation 2021-06-25 15:25:23 -04:00
dm-zoned-metadata.c dm zoned: check zone capacity 2021-06-04 12:07:28 -04:00
dm-zoned-reclaim.c dm kcopyd: avoid useless atomic operations 2021-06-04 12:07:24 -04:00
dm-zoned-target.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-zoned.h dm zoned: select reclaim zone based on device index 2020-06-05 14:59:53 -04:00
dm.c dm: add add_disk() error handling 2021-10-21 09:00:56 -06:00
dm.h dm: introduce zone append emulation 2021-06-04 12:07:37 -04:00
Kconfig dm: make EBS depend on !HIGHMEM 2021-08-16 10:50:32 -06:00
Makefile dm ima: measure data on table load 2021-08-10 13:32:40 -04:00
md-autodetect.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
md-bitmap.c md/bitmap: don't set max_write_behind if there is no write mostly device 2021-11-02 11:41:44 -07:00
md-bitmap.h
md-cluster.c for-5.11/drivers-2020-12-14 2020-12-16 13:09:32 -08:00
md-cluster.h
md-faulty.c md: mark some personalities as deprecated 2021-06-14 22:32:07 -07:00
md-linear.c md: mark some personalities as deprecated 2021-06-14 22:32:07 -07:00
md-linear.h
md-multipath.c md: mark some personalities as deprecated 2021-06-14 22:32:07 -07:00
md-multipath.h
md.c md: update superblock after changing rdev flags in state_store 2021-10-18 14:50:35 -06:00
md.h md: remove unused argument from md_new_event 2021-10-18 14:50:33 -06:00
raid0.c md: add io accounting for raid0 and raid5 2021-06-14 22:32:06 -07:00
raid0.h
raid1-10.c
raid1.c md/raid1: use rdev in raid1_write_request directly 2021-10-18 14:50:28 -06:00
raid1.h md/raid1: enable io accounting 2021-06-14 22:32:07 -07:00
raid5-cache.c block: rename BIO_MAX_PAGES to BIO_MAX_VECS 2021-03-11 07:47:48 -07:00
raid5-log.h
raid5-ppl.c raid5-ppl: use swap() to make code cleaner 2021-11-02 11:41:45 -07:00
raid5.c md: remove unused argument from md_new_event 2021-10-18 14:50:33 -06:00
raid5.h md/raid5: let multiple devices of stripe_head share page 2020-09-24 16:44:44 -07:00
raid10.c md: remove unused argument from md_new_event 2021-10-18 14:50:33 -06:00
raid10.h md/raid10: enable io accounting 2021-06-14 22:32:07 -07:00