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linux-stable/drivers/md
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Liequan Che b2e382ae12 bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again 
Commit 028ddcac47 ("bcache: Remove unnecessary NULL point check in
node allocations") leads a NULL pointer deference in cache_set_flush().

1721         if (!IS_ERR_OR_NULL(c->root))
1722                 list_add(&c->root->list, &c->btree_cache);

>From the above code in cache_set_flush(), if previous registration code
fails before allocating c->root, it is possible c->root is NULL as what
it is initialized. __bch_btree_node_alloc() never returns NULL but
c->root is possible to be NULL at above line 1721.

This patch replaces IS_ERR() by IS_ERR_OR_NULL() to fix this.

Fixes: 028ddcac47 ("bcache: Remove unnecessary NULL point check in node allocations")
Signed-off-by: Liequan Che <cheliequan@inspur.com>
Cc: stable@vger.kernel.org
Cc: Zheng Wang <zyytlz.wz@163.com>
Reviewed-by: Mingzhe Zou <mingzhe.zou@easystack.cn>
Signed-off-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20241202115638.28957-1-colyli@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-12-03 15:06:27 -07:00
..
bcache bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again 2024-12-03 15:06:27 -07:00
dm-vdo - Dm: remove unused functions and variables 2024-11-25 18:54:00 -08:00
persistent-data dm: Fix typo in error message 2024-11-20 11:38:04 +01:00
dm-audit.c dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-audit.h
dm-bio-prison-v1.c dm cache: Remove unused functions in bio-prison-v1 2024-11-20 11:38:04 +01:00
dm-bio-prison-v1.h dm cache: Remove unused functions in bio-prison-v1 2024-11-20 11:38:04 +01:00
dm-bio-prison-v2.c dm: use bio_list_merge_init 2024-04-01 11:53:37 -06:00
dm-bio-prison-v2.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-bio-record.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-bufio.c dm-bufio: use kmalloc to allocate power-of-two sized buffers 2024-11-20 11:44:23 +01:00
dm-builtin.c dm: adjust EXPORT_SYMBOL() to follow functions immediately 2023-02-14 14:23:07 -05:00
dm-cache-background-tracker.c dm cache: Remove unused btracker_nr_writebacks_queued 2024-11-20 11:38:04 +01:00
dm-cache-background-tracker.h dm cache: Remove unused btracker_nr_writebacks_queued 2024-11-20 11:38:04 +01:00
dm-cache-block-types.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-cache-metadata.c dm cache: Remove unused dm_cache_size 2024-11-20 11:38:04 +01:00
dm-cache-metadata.h dm cache: Remove unused dm_cache_size 2024-11-20 11:38:04 +01:00
dm-cache-policy-internal.h dm: add missing empty lines 2023-02-14 14:23:06 -05:00
dm-cache-policy-smq.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-cache-policy.c dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-cache-policy.h dm: address indent/space issues 2023-02-14 14:23:06 -05:00
dm-cache-target.c for-6.13/block-20241118 2024-11-18 16:50:08 -08:00
dm-clone-metadata.c dm: Make use of __assign_bit() API 2024-09-02 16:53:53 +02:00
dm-clone-metadata.h
dm-clone-target.c block: add a bdev_limits helper 2024-10-29 09:15:00 -06:00
dm-core.h dm: optimize flushes 2024-06-26 11:32:39 -04:00
dm-crypt.c move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
dm-delay.c dm-delay: remove timer_lock 2024-05-09 09:10:58 -04:00
dm-dust.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-ebs-target.c dm: stop using blk_limits_io_{min,opt} 2024-07-10 13:10:06 +02:00
dm-era-target.c dm: Constify struct dm_block_validator 2024-07-19 12:08:15 +02:00
dm-exception-store.c dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-exception-store.h dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-flakey.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-ima.c dm: avoid inline filenames 2023-02-14 14:23:07 -05:00
dm-ima.h dm: avoid inline filenames 2023-02-14 14:23:07 -05:00
dm-init.c dm init: Handle minors larger than 255 2024-07-02 20:53:41 +02:00
dm-integrity.c - Misc VDO fixes 2024-09-27 09:12:51 -07:00
dm-io-rewind.c dm: avoid void function return statements 2023-02-14 14:23:07 -05:00
dm-io-tracker.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-io.c dm io: remove code duplication between sync_io and aysnc_io 2024-07-02 12:00:43 +02:00
dm-ioctl.c dm ioctl: rate limit a couple of ioctl based error messages 2024-11-20 11:38:04 +01:00
dm-kcopyd.c dm io: Support IO priority 2024-02-20 14:22:51 -05:00
dm-linear.c dm: optimize flushes 2024-06-26 11:32:39 -04:00
dm-log-userspace-base.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-log-userspace-transfer.c dm: avoid split of quoted strings where possible 2023-02-14 14:23:07 -05:00
dm-log-userspace-transfer.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-log-writes.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-log.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-mpath.c dm mpath: don't call dm_get_device in multipath_message 2024-07-10 13:10:06 +02:00
dm-mpath.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-path-selector.c dm: adjust EXPORT_SYMBOL() to follow functions immediately 2023-02-14 14:23:07 -05:00
dm-path-selector.h dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-ps-historical-service-time.c dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-ps-io-affinity.c dm: address space issues relative to switch/while/for/... 2023-02-14 14:23:06 -05:00
dm-ps-queue-length.c dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-ps-round-robin.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-ps-service-time.c dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-raid1.c dm io: Support IO priority 2024-02-20 14:22:51 -05:00
dm-raid.c - Misc VDO fixes 2024-09-27 09:12:51 -07:00
dm-region-hash.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-rq.c Revert "dm: requeue IO if mapping table not yet available" 2024-09-15 21:02:54 +02:00
dm-rq.h dm: change "unsigned" to "unsigned int" 2023-02-14 14:23:06 -05:00
dm-snap-persistent.c dm io: Support IO priority 2024-02-20 14:22:51 -05:00
dm-snap-transient.c dm: avoid split of quoted strings where possible 2023-02-14 14:23:07 -05:00
dm-snap.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-stats.c dm stats: limit the number of entries 2024-01-30 14:06:44 -05:00
dm-stats.h dm stats: check for and propagate alloc_percpu failure 2023-03-16 13:37:06 -04:00
dm-stripe.c dm: stop using blk_limits_io_{min,opt} 2024-07-10 13:10:06 +02:00
dm-switch.c dm: add helper macro for simple DM target module init and exit 2023-04-11 12:09:08 -04:00
dm-sysfs.c dm sysfs: make kobj_type structure constant 2023-02-14 14:23:08 -05:00
dm-table.c dm: Remove unused dm_table_bio_based 2024-11-20 11:38:04 +01:00
dm-target.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-thin-metadata.c dm: Constify struct dm_block_validator 2024-07-19 12:08:15 +02:00
dm-thin-metadata.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-thin.c - Dm: remove unused functions and variables 2024-11-25 18:54:00 -08:00
dm-uevent.c dm: avoid spaces before function arguments or in favour of tabs 2023-02-14 14:23:06 -05:00
dm-uevent.h dm: fix undue/missing spaces 2023-02-14 14:23:06 -05:00
dm-unstripe.c dm-unstriped: cast an operand to sector_t to prevent potential uint32_t overflow 2024-11-04 17:34:56 +01:00
dm-verity-fec.c dm-verity: make verity_hash() take dm_verity_io instead of ahash_request 2024-07-03 21:41:11 +02:00
dm-verity-fec.h dm-verity: always "map" the data blocks 2024-07-03 21:41:11 +02:00
dm-verity-loadpin.c dm: verity-loadpin: Add NULL pointer check for 'bdev' parameter 2023-06-28 10:43:04 -07:00
dm-verity-target.c dm-verity: remove the unused "data_start" variable 2024-11-20 11:44:44 +01:00
dm-verity-verify-sig.c dm verity: fallback to platform keyring also if key in trusted keyring is rejected 2024-09-26 17:27:08 +02:00
dm-verity-verify-sig.h dm: add missing SPDX-License-Indentifiers 2023-02-14 14:23:06 -05:00
dm-verity.h dm-verity: remove the unused "data_start" variable 2024-11-20 11:44:44 +01:00
dm-writecache.c dm: update relevant MODULE_AUTHOR entries to latest dm-devel mailing list 2024-02-20 14:22:55 -05:00
dm-zero.c dm: always manage discard support in terms of max_hw_discard_sectors 2024-05-20 15:51:19 -04:00
dm-zone.c block: pre-calculate max_zone_append_sectors 2024-11-11 09:20:36 -07:00
dm-zoned-metadata.c dm: zoned: Remove unused functions 2024-11-20 11:38:04 +01:00
dm-zoned-reclaim.c
dm-zoned-target.c dm: stop using blk_limits_io_{min,opt} 2024-07-10 13:10:06 +02:00
dm-zoned.h dm: zoned: Remove unused functions 2024-11-20 11:38:04 +01:00
dm.c dm: add support for get_unique_id 2024-11-20 11:38:04 +01:00
dm.h dm: Remove unused dm_table_bio_based 2024-11-20 11:38:04 +01:00
Kconfig dm verity: add support for signature verification with platform keyring 2024-07-03 21:41:11 +02:00
Makefile dm vdo: use a proper Makefile for dm-vdo 2024-02-20 13:43:17 -05:00
md-autodetect.c md: Remove deprecated CONFIG_MD_LINEAR 2023-12-19 10:16:51 -08:00
md-bitmap.c md/md-bitmap: Add missing destroy_work_on_stack() 2024-11-05 21:06:51 -08:00
md-bitmap.h md/md-bitmap: make in memory structure internal 2024-08-27 12:43:16 -07:00
md-cluster.c md/md-bitmap: make in memory structure internal 2024-08-27 12:43:16 -07:00
md-cluster.h md-cluster: fix no recovery job when adding/re-adding a disk 2024-07-12 01:30:18 +00:00
md.c for-6.13/block-20241118 2024-11-18 16:50:08 -08:00
md.h md: add a new helper rdev_blocked() 2024-11-05 16:08:38 -08:00
raid0.c md/raid0: Atomic write support 2024-11-19 10:30:02 -07:00
raid0.h md/raid0: add discard support for the 'original' layout 2023-06-30 15:43:50 -07:00
raid1-10.c md/md-bitmap: merge md_bitmap_enabled() into bitmap_operations 2024-08-27 12:43:16 -07:00
raid1.c md/raid1: Atomic write support 2024-11-19 10:30:02 -07:00
raid1.h md/raid1: record nonrot rdevs while adding/removing rdevs to conf 2024-02-29 22:49:45 -08:00
raid5-cache.c md/raid5: use wait_on_bit() for R5_Overlap 2024-08-29 09:37:10 -07:00
raid5-log.h
raid5-ppl.c md/raid5-ppl: Use atomic64_inc_return() in ppl_new_iounit() 2024-11-05 16:08:38 -08:00
raid5.c md/raid5: Wait sync io to finish before changing group cnt 2024-11-07 15:34:52 -08:00
raid5.h md/raid5: Increase r5conf.cache_name size 2024-11-12 15:11:09 -08:00
raid10.c block-6.13-20242901 2024-11-30 15:47:29 -08:00
raid10.h md/raid10: switch to use md_account_bio() for io accounting 2023-07-27 00:13:29 -07:00