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OpenCloudOS-Kernel
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OpenCloudOS-Kernel/drivers/md
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zhangyue 07641b5f32 md: fix double free of mddev->private in autorun_array() 
In driver/md/md.c, if the function autorun_array() is called,
the problem of double free may occur.

In function autorun_array(), when the function do_md_run() returns an
error, the function do_md_stop() will be called.

The function do_md_run() called function md_run(), but in function
md_run(), the pointer mddev->private may be freed.

The function do_md_stop() called the function __md_stop(), but in
function __md_stop(), the pointer mddev->private also will be freed
without judging null.

At this time, the pointer mddev->private will be double free, so it
needs to be judged null or not.

Signed-off-by: zhangyue <zhangyue1@kylinos.cn>
Signed-off-by: Song Liu <songliubraving@fb.com>
 		2021-12-10 09:11:07 -08:00
..
bcache for-5.16/drivers-2021-11-09 2021-11-09 11:24:08 -08:00
persistent-data dm btree remove: assign new_root only when removal succeeds 2021-06-25 15:25:24 -04:00
Kconfig dm integrity: log audit events for dm-integrity target 2021-10-27 16:54:36 -04:00
Makefile dm: introduce audit event module for device mapper 2021-10-27 16:53:47 -04:00
dm-audit.c dm: introduce audit event module for device mapper 2021-10-27 16:53:47 -04:00
dm-audit.h dm: introduce audit event module for device mapper 2021-10-27 16:53:47 -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 block: move integrity handling out of <linux/blkdev.h> 2021-10-18 06:17:02 -06:00
dm-bufio.c - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
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_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
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: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-clone-metadata.c dm clone metadata: remove unused function 2021-04-19 13:20:31 -04:00
dm-clone-metadata.h dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions() 2020-03-27 14:42:51 -04:00
dm-clone-target.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-core.h blk-crypto: rename blk_keyslot_manager to blk_crypto_profile 2021-10-21 10:49:32 -06:00
dm-crypt.c - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
dm-delay.c dm: update target status functions to support IMA measurement 2021-08-10 13:34:23 -04:00
dm-dust.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-ebs-target.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-era-target.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-exception-store.c
…
dm-exception-store.h dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-flakey.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
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 core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
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: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
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 - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
dm-log.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-mpath.c for-5.16/passthrough-flag-2021-10-29 2021-11-01 10:12:44 -07:00
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-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-raid.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-raid1.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: replace zero-length array with flexible-array 2020-05-20 17:09:44 -04:00
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: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
dm-sysfs.c
…
dm-table.c - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
dm-target.c
…
dm-thin-metadata.c dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
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 dm: use bdev_nr_sectors and bdev_nr_bytes instead of open coding them 2021-10-18 14:43:22 -06:00
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 - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
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 - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
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 - Add DM core support for emitting audit events through the audit 2021-11-09 11:02:04 -08:00
dm-zoned.h dm zoned: select reclaim zone based on device index 2020-06-05 14:59:53 -04:00
dm.c for-5.16/block-2021-11-09 2021-11-09 11:20:07 -08:00
dm.h dm: introduce zone append emulation 2021-06-04 12:07:37 -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
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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/raid1: Replace zero-length array with flexible-array 2020-05-13 12:02:23 -07:00
md-multipath.c md: mark some personalities as deprecated 2021-06-14 22:32:07 -07:00
md-multipath.h
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md.c md: fix double free of mddev->private in autorun_array() 2021-12-10 09:11:07 -08:00
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 md/raid0: avoid RAID0 data corruption due to layout confusion. 2019-09-13 13:10:05 -07:00
raid1-10.c
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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