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linux-stable/drivers/md
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Jaegeuk Kim 2b8308741c dm verity fec: fix misaligned RS roots IO 
commit 8ca7cab82b upstream.

commit df7b59ba92 ("dm verity: fix FEC for RS roots unaligned to
block size") introduced the possibility for misaligned roots IO
relative to the underlying device's logical block size. E.g. Android's
default RS roots=2 results in dm_bufio->block_size=1024, which causes
the following EIO if the logical block size of the device is 4096,
given v->data_dev_block_bits=12:

E sd 0    : 0:0:0: [sda] tag#30 request not aligned to the logical block size
E blk_update_request: I/O error, dev sda, sector 10368424 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
E device-mapper: verity-fec: 254:8: FEC 9244672: parity read failed (block 18056): -5

Fix this by onlu using f->roots for dm_bufio blocksize IFF it is
aligned to v->data_dev_block_bits.

Fixes: df7b59ba92 ("dm verity: fix FEC for RS roots unaligned to block size")
Cc: stable@vger.kernel.org
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-21 13:00:54 +02:00
..
bcache bcache: Move journal work to new flush wq 2021-03-04 11:38:26 +01:00
persistent-data dm thin metadata: Remove unused local variable when create thin and snap 2020-09-29 16:33:11 -04:00
dm-bio-prison-v1.c dm bio prison: replace spin_lock_irqsave with spin_lock_irq 2019-11-05 14:53:03 -05:00
dm-bio-prison-v1.h
dm-bio-prison-v2.c dm bio prison v2: use true/false for bool variable 2020-01-07 12:07:08 -05:00
dm-bio-prison-v2.h
dm-bio-record.h dm bio record: save/restore bi_end_io and bi_integrity 2020-03-03 10:02:46 -05:00
dm-bufio.c dm bufio: subtract the number of initial sectors in dm_bufio_get_device_size 2021-03-09 11:11:12 +01:00
dm-builtin.c
dm-cache-background-tracker.c
dm-cache-background-tracker.h
dm-cache-block-types.h
dm-cache-metadata.c dm cache metadata: Avoid returning cmd->bm wild pointer on error 2020-09-02 13:38:24 -04:00
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 Revert "dm cache: fix arm link errors with inline" 2020-12-01 15:43:36 -05:00
dm-clone-metadata.c dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -04:00
dm-clone-metadata.h dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -04:00
dm-clone-target.c writeback: remove bdi->congested_fn 2020-07-08 17:20:46 -06:00
dm-core.h dm: fix deadlock when swapping to encrypted device 2021-03-04 11:38:44 +01:00
dm-crypt.c dm: fix deadlock when swapping to encrypted device 2021-03-04 11:38:44 +01:00
dm-delay.c block: rename generic_make_request to submit_bio_noacct 2020-07-01 07:27:24 -06:00
dm-dust.c dm dust: add interface to list all badblocks 2020-07-20 11:17:41 -04:00
dm-ebs-target.c dm ebs: Fix incorrect checking for REQ_OP_FLUSH 2020-08-04 16:01:40 -04:00
dm-era-target.c dm era: only resize metadata in preresume 2021-03-04 11:38:46 +01:00
dm-exception-store.c
dm-exception-store.h
dm-flakey.c block: rework zone reporting 2019-11-12 19:12:07 -07:00
dm-historical-service-time.c dm mpath: add Historical Service Time Path Selector 2020-05-15 10:29:36 -04:00
dm-init.c dm init: Set file local variable static 2020-08-04 15:51:28 -04:00
dm-integrity.c dm integrity: conditionally disable "recalculate" feature 2021-01-27 11:54:55 +01:00
dm-io.c treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
dm-ioctl.c dm ioctl: fix out of bounds array access when no devices 2021-03-30 14:31:56 +02:00
dm-kcopyd.c dm kcopyd: always complete failed jobs 2019-08-15 15:57:39 -04:00
dm-linear.c dm: add support for REQ_NOWAIT and enable it for linear target 2020-09-25 08:20:03 -06:00
dm-log-userspace-base.c
dm-log-userspace-transfer.c
dm-log-userspace-transfer.h
dm-log-writes.c dm: replace zero-length array with flexible-array 2020-05-20 17:09:44 -04:00
dm-log.c
dm-mpath.c dm: use dm_table_get_device_name() where appropriate in targets 2020-09-29 16:33:08 -04:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-queue-length.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-raid.c dm raid: fix discard limits for raid1 2021-01-19 18:27:21 +01:00
dm-raid1.c block: rename generic_make_request to submit_bio_noacct 2020-07-01 07:27:24 -06:00
dm-region-hash.c
dm-round-robin.c
dm-rq.c dm table: make 'struct dm_table' definition accessible to all of DM core 2020-09-29 16:33:07 -04:00
dm-rq.h
dm-service-time.c dm mpath: pass IO start time to path selector 2020-05-15 10:29:36 -04:00
dm-snap-persistent.c dm snap persistent: simplify area_io() 2020-09-29 16:33:12 -04:00
dm-snap-transient.c
dm-snap.c dm snapshot: flush merged data before committing metadata 2021-01-19 18:27:21 +01:00
dm-stats.c dm: replace zero-length array with flexible-array 2020-05-20 17:09:44 -04:00
dm-stats.h
dm-stripe.c dm: replace zero-length array with flexible-array 2020-05-20 17:09:44 -04:00
dm-switch.c dm: replace zero-length array with flexible-array 2020-05-20 17:09:44 -04:00
dm-sysfs.c
dm-table.c dm table: Fix zoned model check and zone sectors check 2021-03-30 14:32:06 +02:00
dm-target.c
dm-thin-metadata.c dm thin metadata: Remove unused local variable when create thin and snap 2020-09-29 16:33:11 -04:00
dm-thin-metadata.h dm thin metadata: Add support for a pre-commit callback 2019-12-05 17:05:24 -05:00
dm-thin.c writeback: remove bdi->congested_fn 2020-07-08 17:20:46 -06:00
dm-uevent.c
dm-uevent.h
dm-unstripe.c
dm-verity-fec.c dm verity fec: fix misaligned RS roots IO 2021-04-21 13:00:54 +02:00
dm-verity-fec.h dm verity fec: fix misaligned RS roots IO 2021-04-21 13:00:54 +02:00
dm-verity-target.c dm verity: fix DM_VERITY_OPTS_MAX value 2021-03-30 14:31:56 +02:00
dm-verity-verify-sig.c dm verity: add root hash pkcs#7 signature verification 2019-08-23 10:13:14 -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 writecache: fix writing beyond end of underlying device when shrinking 2021-03-04 11:38:45 +01:00
dm-zero.c
dm-zoned-metadata.c dm zoned: Fix zone reclaim trigger 2020-07-08 12:21:53 -04:00
dm-zoned-reclaim.c dm zoned: Fix zone reclaim trigger 2020-07-08 12:21:53 -04:00
dm-zoned-target.c dm table: Fix zoned model check and zone sectors check 2021-03-30 14:32:06 +02:00
dm-zoned.h dm zoned: select reclaim zone based on device index 2020-06-05 14:59:53 -04:00
dm.c dm table: fix DAX iterate_devices based device capability checks 2021-03-04 11:38:44 +01:00
dm.h dm table: fix DAX iterate_devices based device capability checks 2021-03-04 11:38:44 +01:00
Kconfig dm integrity: select CRYPTO_SKCIPHER 2021-01-27 11:54:57 +01:00
Makefile md: move the early init autodetect code to drivers/md/ 2020-07-16 15:34:47 +02:00
md-autodetect.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
md-bitmap.c md/bitmap: fix memory leak of temporary bitmap 2020-10-08 22:37:39 -07:00
md-bitmap.h
md-cluster.c md/cluster: fix deadlock when node is doing resync job 2020-12-30 11:54:25 +01:00
md-cluster.h
md-faulty.c block: rename generic_make_request to submit_bio_noacct 2020-07-01 07:27:24 -06:00
md-linear.c block: add a new revalidate_disk_size helper 2020-09-02 08:00:07 -06:00
md-linear.h md/raid1: Replace zero-length array with flexible-array 2020-05-13 12:02:23 -07:00
md-multipath.c writeback: remove bdi->congested_fn 2020-07-08 17:20:46 -06:00
md-multipath.h
md.c md: Set prev_flush_start and flush_bio in an atomic way 2021-02-10 09:29:22 +01:00
md.h Revert "md: change mddev 'chunk_sectors' from int to unsigned" 2020-12-14 19:33:01 +01:00
raid0.c Revert "md: add md_submit_discard_bio() for submitting discard bio" 2020-12-09 20:46:01 -08:00
raid0.h md/raid0: avoid RAID0 data corruption due to layout confusion. 2019-09-13 13:10:05 -07:00
raid1-10.c
raid1.c writeback: remove bdi->congested_fn 2020-07-08 17:20:46 -06:00
raid1.h md/raid1: Replace zero-length array with flexible-array 2020-05-13 12:02:23 -07:00
raid5-cache.c raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show 2020-08-02 23:03:52 -07:00
raid5-log.h
raid5-ppl.c md/raid456: convert macro STRIPE_* to RAID5_STRIPE_* 2020-07-21 17:18:12 -07:00
raid5.c md/raid5: fix oops during stripe resizing 2020-10-08 22:38:10 -07:00
raid5.h md/raid5: let multiple devices of stripe_head share page 2020-09-24 16:44:44 -07:00
raid10.c md/raid10: initialize r10_bio->read_slot before use. 2021-01-06 14:56:49 +01:00
raid10.h Revert "md/raid10: improve discard request for far layout" 2020-12-09 20:46:00 -08:00