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Li Nan 22d24a544b block: fix overflow in blk_ioctl_discard() 
There is no check for overflow of 'start + len' in blk_ioctl_discard().
Hung task occurs if submit an discard ioctl with the following param:
  start = 0x80000000000ff000, len = 0x8000000000fff000;
Add the overflow validation now.

Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240329012319.2034550-1-linan666@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-04-02 07:43:24 -06:00
..
partitions
block: partitions: only define function mac_fix_string for CONFIG_PPC_PMAC
2024-03-09 07:31:42 -07:00
badblocks.c
badblocks: avoid checking invalid range in badblocks_check()
2023-12-23 18:38:08 -07:00
bdev.c
fs,block: get holder during claim
2024-03-18 10:32:44 +01:00
bfq-cgroup.c
block: add blk_time_get_ns() and blk_time_get() helpers
2024-02-05 10:07:22 -07:00
bfq-iosched.c
block: add blk_time_get_ns() and blk_time_get() helpers
2024-02-05 10:07:22 -07:00
bfq-iosched.h
block, bfq: remove BFQ_WEIGHT_LEGACY_DFL
2023-04-06 16:17:32 -06:00
bfq-wf2q.c
block, bfq: inject I/O to underutilized actuators
2023-01-29 15:18:33 -07:00
bio-integrity.c
block: support PI at non-zero offset within metadata
2024-02-12 08:49:31 -07:00
bio.c
for-6.9/block-20240310
2024-03-11 11:43:44 -07:00
blk-cgroup-fc-appid.c
block: Replace all non-returning strlcpy with strscpy
2023-06-01 09:13:31 -06:00
blk-cgroup-rwstat.c
Revert "blk-cgroup: pin the gendisk in struct blkcg_gq"
2023-02-14 14:24:09 -07:00
blk-cgroup-rwstat.h
block: Use the new blk_opf_t type
2022-07-14 12:14:30 -06:00
blk-cgroup.c
block: add blk_time_get_ns() and blk_time_get() helpers
2024-02-05 10:07:22 -07:00
blk-cgroup.h
block: move cgroup time handling code into blk.h
2024-02-05 10:07:17 -07:00
blk-core.c
block: pass a queue_limits argument to blk_alloc_queue
2024-02-13 08:56:59 -07:00
blk-crypto-fallback.c
block, fs: Restore the per-bio/request data lifetime fields
2024-02-06 14:31:05 +01:00
blk-crypto-internal.h
blk-crypto: remove blk_crypto_insert_cloned_request()
2023-03-16 09:35:09 -06:00
blk-crypto-profile.c
blk-crypto: use dynamic lock class for blk_crypto_profile::lock
2023-07-05 16:36:12 -06:00
blk-crypto-sysfs.c
block: make kobj_type structures constant
2023-02-09 09:38:16 -07:00
blk-crypto.c
blk-crypto: make blk_crypto_evict_key() more robust
2023-03-16 09:35:09 -06:00
blk-flush.c
block: add blk_time_get_ns() and blk_time_get() helpers
2024-02-05 10:07:22 -07:00
blk-ia-ranges.c
block: make kobj_type structures constant
2023-02-09 09:38:16 -07:00
blk-integrity.c
block: support PI at non-zero offset within metadata
2024-02-12 08:49:31 -07:00
blk-ioc.c
blk-ioc: fix recursive spin_lock/unlock_irq() in ioc_clear_queue()
2023-06-07 07:51:00 -06:00
blk-iocost.c
for-6.9/block-20240310
2024-03-11 11:43:44 -07:00
blk-iolatency.c
block: add blk_time_get_ns() and blk_time_get() helpers
2024-02-05 10:07:22 -07:00
blk-ioprio.c
blk-ioprio: Introduce promote-to-rt policy
2023-06-06 22:26:26 -06:00
blk-ioprio.h
blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit
2022-09-26 19:09:31 -06:00
blk-lib.c
Revert "blk-lib: check for kill signal"
2024-03-13 20:35:48 -06:00
blk-map.c
block: Fix WARNING in _copy_from_iter
2024-01-23 08:56:55 -07:00
blk-merge.c
block: Make blk_rq_set_mixed_merge() static
2024-03-26 11:28:20 -06:00
blk-mq-cpumap.c
blk-mq: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -06:00
blk-mq-debugfs-zoned.c
block: move zone related fields to struct gendisk
2022-07-06 06:46:26 -06:00
blk-mq-debugfs.c
blk-mq: Remove the hctx 'run' debugfs attribute
2024-01-17 14:16:34 -07:00
blk-mq-debugfs.h
block: remove per-disk debugfs files in blk_unregister_queue
2022-06-17 07:31:05 -06:00
blk-mq-pci.c
blk-mq: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -06:00
blk-mq-sched.c
blk-mq: Remove the hctx 'run' debugfs attribute
2024-01-17 14:16:34 -07:00
blk-mq-sched.h
blk-mq: make sure elevator callbacks aren't called for passthrough request
2023-05-18 19:42:54 -06:00
blk-mq-sysfs.c
blk-mq: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -06:00
blk-mq-tag.c
for-6.5/block-2023-06-23
2023-06-26 12:47:20 -07:00
blk-mq-virtio.c
blk-mq: include <linux/blk-mq.h> in block/blk-mq.h
2023-04-13 06:52:29 -06:00
blk-mq.c
block: Do not force full zone append completion in req_bio_endio()
2024-03-28 17:04:48 -06:00
blk-mq.h
blk-mq: update driver tags request table when start request
2023-09-22 08:52:13 -06:00
blk-pm.c
block: Remove blk_set_runtime_active()
2023-11-20 10:22:40 -07:00
blk-pm.h
block: Remove unused blk_pm_*() function definitions
2021-02-22 06:33:48 -07:00
blk-rq-qos.c
block: correct stale comment in rq_qos_wait
2023-09-18 14:15:28 -06:00
blk-rq-qos.h
block: skip QUEUE_FLAG_STATS and rq-qos for passthrough io
2023-12-01 18:29:18 -07:00
blk-settings.c
block: don't reject too large max_user_sectors in blk_validate_limits
2024-03-26 11:28:52 -06:00
blk-stat.c
block: prevent division by zero in blk_rq_stat_sum()
2024-03-06 08:31:54 -07:00
blk-stat.h
block: make queue stat accounting a reference
2021-12-14 17:23:05 -07:00
blk-sysfs.c
block: use queue_limits_commit_update in queue_discard_max_store
2024-02-13 08:56:59 -07:00
blk-throttle.c
blk-throttle: Eliminate redundant checks for data direction
2024-02-05 10:16:12 -07:00
blk-throttle.h
blk-throttle: print signed value 'carryover_bytes/ios' for user
2023-08-30 10:15:01 -06:00
blk-timeout.c
block: blk-timeout: delete duplicated word
2020-07-31 16:29:47 -06:00
blk-wbt.c
for-6.9/block-20240310
2024-03-11 11:43:44 -07:00
blk-wbt.h
blk-wbt: remove the separate write cache tracking
2023-12-26 09:28:10 -07:00
blk-zoned.c
block: Do not include rbtree.h in blk-zoned.c
2024-02-22 10:35:18 -07:00
blk.h
block: Make blk_rq_set_mixed_merge() static
2024-03-26 11:28:20 -06:00
bounce.c
block, fs: Restore the per-bio/request data lifetime fields
2024-02-06 14:31:05 +01:00
bsg-lib.c
block: pass a queue_limits argument to blk_mq_init_queue
2024-02-13 08:56:59 -07:00
bsg.c
SCSI misc on 20230629
2023-06-30 11:57:07 -07:00
disk-events.c
block: move bdev_mark_dead out of disk_check_media_change
2023-10-28 13:29:23 +02:00
early-lookup.c
block: don't return -EINVAL for not found names in devt_from_devname
2023-06-22 09:09:33 -06:00
elevator.c
blk-mq: release scheduler resource when request completes
2023-08-19 07:47:17 -06:00
elevator.h
blk-mq: pass a flags argument to elevator_type->insert_requests
2023-04-13 06:52:30 -06:00
fops.c
vfs-6.9.super
2024-03-11 10:52:34 -07:00
genhd.c
for-6.9/block-20240310
2024-03-11 11:43:44 -07:00
holder.c
block: fix deadlock between bd_link_disk_holder and partition scan
2024-02-23 07:44:19 -07:00
ioctl.c
block: fix overflow in blk_ioctl_discard()
2024-04-02 07:43:24 -06:00
ioprio.c
block: move __get_task_ioprio() into header file
2024-01-08 12:27:39 -07:00
Kconfig
block: Add config option to not allow writing to mounted devices
2023-11-18 14:59:25 +01:00
Kconfig.iosched
block: Default to use cgroup support for BFQ
2023-01-30 09:42:42 -07:00
kyber-iosched.c
blk-mq: pass a flags argument to elevator_type->insert_requests
2023-04-13 06:52:30 -06:00
Makefile
block: move the code to do early boot lookup of block devices to block/
2023-06-05 10:57:40 -06:00
mq-deadline.c
Revert "block/mq-deadline: use correct way to throttling write requests"
2024-03-13 15:56:14 -06:00
opal_proto.h
block: sed-opal: handle empty atoms when parsing response
2024-02-16 15:52:45 -07:00
sed-opal.c
for-6.9/block-20240310
2024-03-11 11:43:44 -07:00
t10-pi.c
block: support PI at non-zero offset within metadata
2024-02-12 08:49:31 -07:00