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NeilBrown 5175ed17a5 md: avoid signed overflow in slot_store() 
[ Upstream commit 3bc57292278a0b6ac4656cad94c14f2453344b57 ]

slot_store() uses kstrtouint() to get a slot number, but stores the
result in an "int" variable (by casting a pointer).
This can result in a negative slot number if the unsigned int value is
very large.

A negative number means that the slot is empty, but setting a negative
slot number this way will not remove the device from the array.  I don't
think this is a serious problem, but it could cause confusion and it is
best to fix it.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-04-05 11:24:52 +02:00
..
bcache
bcache: fix set_at_max_writeback_rate() for multiple attached devices
2022-10-26 12:35:48 +02:00
persistent-data
dm space map common: add bounds check to sm_ll_lookup_bitmap()
2022-01-27 11:04:53 +01:00
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: store a block_device pointer in struct bio
2021-01-24 18:17:20 -07:00
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 cache: Fix ABBA deadlock between shrink_slab and dm_cache_metadata_abort
2023-01-12 11:58:52 +01:00
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 cache: add cond_resched() to various workqueue loops
2023-03-10 09:39:55 +01:00
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: Fix UAF in clone_dtr()
2023-01-12 11:58:53 +01:00
dm-core.h
dm: interlock pending dm_io and dm_wait_for_bios_completion
2022-04-08 14:22:57 +02:00
dm-crypt.c
dm crypt: avoid accessing uninitialized tasklet
2023-03-30 12:48:00 +02:00
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 era: commit metadata in postsuspend after worker stops
2022-06-29 09:03:20 +02:00
dm-exception-store.c
…
dm-exception-store.h
…
dm-flakey.c
dm flakey: fix a bug with 32-bit highmem systems
2023-03-10 09:40:07 +01:00
dm-ima.c
integrity-v5.15
2021-09-02 12:51:41 -07:00
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-integrity.c
dm integrity: Fix UAF in dm_integrity_dtr()
2023-01-12 11:58:53 +01:00
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: send just one event on resize, not two
2023-03-10 09:40:05 +01:00
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 mirror log: clear log bits up to BITS_PER_LONG boundary
2022-06-29 09:03:20 +02:00
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
dm mpath: only use ktime_get_ns() in historical selector
2022-04-20 09:34:13 +02:00
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 raid: fix address sanitizer warning in raid_resume
2022-08-17 14:24:26 +02:00
dm-region-hash.c
…
dm-rq.c
dm: requeue IO if mapping table not yet available
2022-04-13 20:59:06 +02:00
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: check for and propagate alloc_percpu failure
2023-03-30 12:48:00 +02:00
dm-stats.h
dm stats: check for and propagate alloc_percpu failure
2023-03-30 12:48:00 +02:00
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
libnvdimm for v5.15
2021-09-09 11:39:57 -07:00
dm-target.c
…
dm-thin-metadata.c
dm thin: Use last transaction's pmd->root when commit failed
2023-01-12 11:58:52 +01:00
dm-thin-metadata.h
…
dm-thin.c
dm thin: fix deadlock when swapping to thin device
2023-03-30 12:47:56 +02:00
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
dm verity: set DM_TARGET_IMMUTABLE feature flag
2022-06-06 08:43:40 +02:00
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.h
…
dm-writecache.c
dm writecache: set a default MAX_WRITEBACK_JOBS
2022-08-17 14:24:23 +02:00
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.c
dm stats: check for and propagate alloc_percpu failure
2023-03-30 12:48:00 +02:00
dm.h
dm: send just one event on resize, not two
2023-03-10 09:40:05 +01:00
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: Fix bitmap chunk size overflow issues
2023-01-12 11:58:56 +01:00
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: avoid signed overflow in slot_store()
2023-04-05 11:24:52 +02:00
md.h
md: Move alloc/free acct bioset in to personality
2022-01-27 11:05:08 +01:00
raid0.c
md: Replace snprintf with scnprintf
2022-10-26 12:35:12 +02:00
raid0.h
…
raid1-10.c
…
raid1.c
md/raid1: stop mdx_raid1 thread when raid1 array run failed
2022-12-31 13:14:42 +01:00
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
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
2021-03-11 07:47:48 -07:00
raid5.c
md/raid5: Wait for MD_SB_CHANGE_PENDING in raid5d
2022-10-26 12:35:49 +02:00
raid5.h
md/raid5: let multiple devices of stripe_head share page
2020-09-24 16:44:44 -07:00
raid10.c
md-raid10: fix KASAN warning
2022-08-17 14:22:57 +02:00
raid10.h
md/raid10: enable io accounting
2021-06-14 22:32:07 -07:00