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35e68aef65398eb3201d2e697b2cbff90ec40820
linux/drivers/md
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Shetty, Harshini X (EXT-Sony Mobile) 9276066747 dm verity fec: fix memory leak in verity_fec_dtr 
commit 75fa601934 upstream.

Fix below kmemleak detected in verity_fec_ctr. output_pool is
allocated for each dm-verity-fec device. But it is not freed when
dm-table for the verity target is removed. Hence free the output
mempool in destructor function verity_fec_dtr.

unreferenced object 0xffffffffa574d000 (size 4096):
  comm "init", pid 1667, jiffies 4294894890 (age 307.168s)
  hex dump (first 32 bytes):
    8e 36 00 98 66 a8 0b 9b 00 00 00 00 00 00 00 00  .6..f...........
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000060e82407>] __kmalloc+0x2b4/0x340
    [<00000000dd99488f>] mempool_kmalloc+0x18/0x20
    [<000000002560172b>] mempool_init_node+0x98/0x118
    [<000000006c3574d2>] mempool_init+0x14/0x20
    [<0000000008cb266e>] verity_fec_ctr+0x388/0x3b0
    [<000000000887261b>] verity_ctr+0x87c/0x8d0
    [<000000002b1e1c62>] dm_table_add_target+0x174/0x348
    [<000000002ad89eda>] table_load+0xe4/0x328
    [<000000001f06f5e9>] dm_ctl_ioctl+0x3b4/0x5a0
    [<00000000bee5fbb7>] do_vfs_ioctl+0x5dc/0x928
    [<00000000b475b8f5>] __arm64_sys_ioctl+0x70/0x98
    [<000000005361e2e8>] el0_svc_common+0xa0/0x158
    [<000000001374818f>] el0_svc_handler+0x6c/0x88
    [<000000003364e9f4>] el0_svc+0x8/0xc
    [<000000009d84cec9>] 0xffffffffffffffff

Fixes: a739ff3f54 ("dm verity: add support for forward error correction")
Depends-on: 6f1c819c21 ("dm: convert to bioset_init()/mempool_init()")
Cc: stable@vger.kernel.org
Signed-off-by: Harshini Shetty <harshini.x.shetty@sony.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-17 10:48:50 +02:00
..
bcache
bcache: explicity type cast in bset_bkey_last()
2020-02-24 08:34:53 +01:00
persistent-data
dm space map common: fix to ensure new block isn't already in use
2020-02-11 04:34:03 -08:00
dm-bio-prison-v1.c
dm: adjust structure members to improve alignment
2018-06-08 11:53:14 -04:00
dm-bio-prison-v1.h
block: switch bios to blk_status_t
2017-06-09 09:27:32 -06:00
dm-bio-prison-v2.c
dm: adjust structure members to improve alignment
2018-06-08 11:53:14 -04:00
dm-bio-prison-v2.h
dm bio prison v2: new interface for the bio prison
2017-03-07 11:30:16 -05:00
dm-bio-record.h
dm bio record: save/restore bi_end_io and bi_integrity
2020-03-25 08:06:07 +01:00
dm-bufio.c
Revert "dm bufio: fix deadlock with loop device"
2019-08-29 08:28:49 +02:00
dm-builtin.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dm-cache-background-tracker.c
dm cache background tracker: fix sparse warning
2018-04-30 15:40:40 -04:00
dm-cache-background-tracker.h
dm cache: significant rework to leverage dm-bio-prison-v2
2017-03-07 13:28:31 -05:00
dm-cache-block-types.h
linux: drop __bitwise__ everywhere
2016-12-16 00:13:41 +02:00
dm-cache-metadata.c
dm cache metadata: Fix loading discard bitset
2019-05-25 18:23:38 +02:00
dm-cache-metadata.h
dm cache: significant rework to leverage dm-bio-prison-v2
2017-03-07 13:28:31 -05:00
dm-cache-policy-internal.h
dm cache: significant rework to leverage dm-bio-prison-v2
2017-03-07 13:28:31 -05:00
dm-cache-policy-smq.c
treewide: Use array_size() in vzalloc()
2018-06-12 16:19:22 -07:00
dm-cache-policy.c
dm cache: add policy name to status output
2014-01-16 13:44:11 -05:00
dm-cache-policy.h
dm cache: significant rework to leverage dm-bio-prison-v2
2017-03-07 13:28:31 -05:00
dm-cache-target.c
dm cache: fix a crash due to incorrect work item cancelling
2020-03-11 14:15:05 +01:00
dm-core.h
dm: disable DISCARD if the underlying storage no longer supports it
2019-08-25 10:48:01 +02:00
dm-crypt.c
dm crypt: fix benbi IV constructor crash if used in authenticated mode
2020-02-11 04:34:04 -08:00
dm-delay.c
dm delay: fix a crash when invalid device is specified
2019-05-25 18:23:39 +02:00
dm-era-target.c
dm: allow targets to return output from messages they are sent
2018-04-03 15:04:10 -04:00
dm-exception-store.c
Merge tag 'dm-4.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2015-11-04 21:19:53 -08:00
dm-exception-store.h
dm snapshot: fix hung bios when copy error occurs
2016-01-08 20:03:05 -05:00
dm-flakey.c
dm flakey: Properly corrupt multi-page bios.
2019-12-05 09:20:36 +01:00
dm-integrity.c
dm integrity: use dm_bio_record and dm_bio_restore
2020-03-25 08:06:07 +01:00
dm-io.c
dm: Use kzalloc for all structs with embedded biosets/mempools
2018-06-05 08:47:43 -06:00
dm-ioctl.c
dm ioctl: harden copy_params()'s copy_from_user() from malicious users
2018-11-13 11:08:49 -08:00
dm-kcopyd.c
dm kcopyd: always complete failed jobs
2019-08-29 08:28:55 +02:00
dm-linear.c
dm: Check for device sector overflow if CONFIG_LBDAF is not set
2019-01-26 09:32:42 +01:00
dm-log-userspace-base.c
dm: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
dm-log-userspace-transfer.c
dm log userspace transfer: match wait_for_completion_timeout return type
2015-04-15 12:10:20 -04:00
dm-log-userspace-transfer.h
…
dm-log-writes.c
dm log writes: make sure super sector log updates are written in order
2019-07-03 13:14:45 +02:00
dm-log.c
block,fs: use REQ_* flags directly
2016-11-01 09:43:26 -06:00
dm-mpath.c
dm mpath: remove harmful bio-based optimization
2019-12-21 10:57:40 +01:00
dm-mpath.h
…
dm-path-selector.c
md: Add module.h to all files using it implicitly
2011-10-31 19:31:18 -04:00
dm-path-selector.h
dm path selector: remove 'repeat_count' return from .select_path hook
2016-02-22 22:34:42 -05:00
dm-queue-length.c
dm mpath selector: more evenly distribute ties
2018-01-29 13:44:58 -05:00
dm-raid1.c
dm: Check for device sector overflow if CONFIG_LBDAF is not set
2019-01-26 09:32:42 +01:00
dm-raid.c
dm raid: fix false -EBUSY when handling check/repair message
2019-12-05 09:20:37 +01:00
dm-region-hash.c
Merge tag 'overflow-v4.18-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2018-06-12 18:28:00 -07:00
dm-round-robin.c
dm round robin: revert "use percpu 'repeat_count' and 'current_path'"
2017-02-17 00:54:09 -05:00
dm-rq.c
blk-mq: add callback of .cleanup_rq
2019-10-05 13:10:03 +02:00
dm-rq.h
dm rq: do not update rq partially in each ending bio
2017-08-28 10:23:28 -04:00
dm-service-time.c
dm mpath selector: more evenly distribute ties
2018-01-29 13:44:58 -05:00
dm-snap-persistent.c
block: fix an integer overflow in logical block size
2020-01-23 08:21:29 +01:00
dm-snap-transient.c
dm snapshot: fix hung bios when copy error occurs
2016-01-08 20:03:05 -05:00
dm-snap.c
dm snapshot: rework COW throttling to fix deadlock
2019-11-06 13:05:11 +01:00
dm-stats.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
dm-stats.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dm-stripe.c
dax: Introduce a ->copy_to_iter dax operation
2018-05-22 23:18:31 -07:00
dm-switch.c
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
dm-sysfs.c
dm: move request-based code out to dm-rq.[hc]
2016-06-10 15:15:44 -04:00
dm-table.c
dm table: fix invalid memory accesses with too high sector number
2019-08-29 08:28:56 +02:00
dm-target.c
dm mpath: fix missing call of path selector type->end_io
2019-09-16 08:22:12 +02:00
dm-thin-metadata.c
dm thin metadata: check if in fail_io mode when setting needs_check
2019-09-16 08:22:21 +02:00
dm-thin-metadata.h
dm thin: fix passdown_double_checking_shared_status()
2019-01-31 08:14:38 +01:00
dm-thin.c
dm thin: add sanity checks to thin-pool and external snapshot creation
2019-04-05 22:32:59 +02:00
dm-uevent.c
md: Add in export.h for files using EXPORT_SYMBOL
2011-10-31 19:31:19 -04:00
dm-uevent.h
…
dm-unstripe.c
dm: Check for device sector overflow if CONFIG_LBDAF is not set
2019-01-26 09:32:42 +01:00
dm-verity-fec.c
dm verity fec: fix memory leak in verity_fec_dtr
2020-04-17 10:48:50 +02:00
dm-verity-fec.h
dm: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
dm-verity-target.c
dm verity: use message limit for data block corruption message
2019-07-21 09:03:08 +02:00
dm-verity.h
dm verity: add 'check_at_most_once' option to only validate hashes once
2018-04-03 15:04:29 -04:00
dm-writecache.c
dm writecache: add cond_resched to avoid CPU hangs
2020-04-17 10:48:50 +02:00
dm-zero.c
dm: don't return errnos from ->map
2017-06-09 09:27:32 -06:00
dm-zoned-metadata.c
dm zoned: support zone sizes smaller than 128MiB
2020-02-11 04:34:03 -08:00
dm-zoned-reclaim.c
dm zoned: reduce overhead of backing device checks
2019-12-17 20:34:53 +01:00
dm-zoned-target.c
dm zoned: reduce overhead of backing device checks
2019-12-17 20:34:53 +01:00
dm-zoned.h
dm zoned: reduce overhead of backing device checks
2019-12-17 20:34:53 +01:00
dm.c
dm: report suspended device during destroy
2020-03-11 14:15:05 +01:00
dm.h
dm: move dm_table_destroy() to same header as dm_table_create()
2018-01-17 09:16:06 -05:00
Kconfig
dm: add writecache target
2018-06-08 11:59:51 -04:00
Makefile
dm: add writecache target
2018-06-08 11:59:51 -04:00
md-bitmap.c
md/bitmap: avoid race window between md_bitmap_resize and bitmap_file_clear_bit
2019-12-31 16:35:25 +01:00
md-bitmap.h
md: Avoid namespace collision with bitmap API
2018-08-01 15:49:39 -07:00
md-cluster.c
md-cluster: release RESYNC lock after the last resync message
2018-08-31 17:38:10 -07:00
md-cluster.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
md-faulty.c
md: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
md-linear.c
md: improve handling of bio with REQ_PREFLUSH in md_flush_request()
2019-12-17 20:34:55 +01:00
md-linear.h
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2017-11-14 16:07:26 -08:00
md-multipath.c
md: improve handling of bio with REQ_PREFLUSH in md_flush_request()
2019-12-17 20:34:55 +01:00
md-multipath.h
md: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
md.c
md: check arrays is suspended in mddev_detach before call quiesce operations
2020-04-17 10:48:42 +02:00
md.h
md: improve handling of bio with REQ_PREFLUSH in md_flush_request()
2019-12-17 20:34:55 +01:00
raid0.c
block: fix an integer overflow in logical block size
2020-01-23 08:21:29 +01:00
raid0.h
md/raid0: avoid RAID0 data corruption due to layout confusion.
2019-10-05 13:10:12 +02:00
raid1-10.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
raid1.c
md: raid1: check rdev before reference in raid1_sync_request func
2020-01-09 10:18:57 +01:00
raid1.h
md: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
raid5-cache.c
md/raid5: fix 'out of memory' during raid cache recovery
2019-02-06 17:30:16 +01:00
raid5-log.h
md/raid5-cache: disable reshape completely
2018-08-31 17:38:09 -07:00
raid5-ppl.c
md: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00
raid5.c
raid5: need to set STRIPE_HANDLE for batch head
2019-12-17 20:36:00 +01:00
raid5.h
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
2018-06-09 12:01:36 -07:00
raid10.c
md: improve handling of bio with REQ_PREFLUSH in md_flush_request()
2019-12-17 20:34:55 +01:00
raid10.h
md: convert to bioset_init()/mempool_init()
2018-05-30 15:33:32 -06:00