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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/block
История
Steven Rostedt (Google) 292a089d78 treewide: Convert del_timer*() to timer_shutdown*() 
Due to several bugs caused by timers being re-armed after they are
shutdown and just before they are freed, a new state of timers was added
called "shutdown".  After a timer is set to this state, then it can no
longer be re-armed.

The following script was run to find all the trivial locations where
del_timer() or del_timer_sync() is called in the same function that the
object holding the timer is freed.  It also ignores any locations where
the timer->function is modified between the del_timer*() and the free(),
as that is not considered a "trivial" case.

This was created by using a coccinelle script and the following
commands:

    $ cat timer.cocci
    @@
    expression ptr, slab;
    identifier timer, rfield;
    @@
    (
    -       del_timer(&ptr->timer);
    +       timer_shutdown(&ptr->timer);
    |
    -       del_timer_sync(&ptr->timer);
    +       timer_shutdown_sync(&ptr->timer);
    )
      ... when strict
          when != ptr->timer
    (
            kfree_rcu(ptr, rfield);
    |
            kmem_cache_free(slab, ptr);
    |
            kfree(ptr);
    )

    $ spatch timer.cocci . > /tmp/t.patch
    $ patch -p1 < /tmp/t.patch

Link: https://lore.kernel.org/lkml/20221123201306.823305113@linutronix.de/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Pavel Machek <pavel@ucw.cz> [ LED ]
Acked-by: Kalle Valo <kvalo@kernel.org> [ wireless ]
Acked-by: Paolo Abeni <pabeni@redhat.com> [ networking ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2022-12-25 13:38:09 -08:00
..
partitions block: don't add partitions if GD_SUPPRESS_PART_SCAN is set 2022-09-03 11:29:03 -06:00
Kconfig block: remove "select BLK_RQ_IO_DATA_LEN" from BLK_CGROUP_IOCOST dependency 2022-06-29 08:35:57 -06:00
Kconfig.iosched block: only build the icq tracking code when needed 2021-12-16 10:59:02 -07:00
Makefile blk-cgroup: move blkcg_{get,set}_fc_appid out of line 2022-05-02 14:06:20 -06:00
badblocks.c block/badblocks: Remove redundant assignments 2022-04-23 07:15:26 -06:00
bdev.c block: bdev & blktrace: use consistent function doc. notation 2022-12-01 09:16:46 -07:00
bfq-cgroup.c block, bfq: replace 0/1 with false/true in bic apis 2022-12-14 09:51:11 -07:00
bfq-iosched.c block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED 2022-12-15 05:11:59 -07:00
bfq-iosched.h block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED 2022-12-15 05:11:59 -07:00
bfq-wf2q.c block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED 2022-12-15 05:11:59 -07:00
bio-integrity.c block: pass struct queue_limits to the bio splitting helpers 2022-08-02 21:08:53 -06:00
bio.c block: bio_copy_data_iter 2022-12-06 10:18:27 -07:00
blk-cgroup-fc-appid.c cgroup: Homogenize cgroup_get_from_id() return value 2022-08-26 10:57:41 -10:00
blk-cgroup-rwstat.c blk-cgroup: Fix the recursive blkg rwstat 2021-03-05 11:32:15 -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 blk-iolatency: Fix memory leak on add_disk() failures 2022-12-14 12:42:55 -07:00
blk-cgroup.h blk-cgroup: Optimize blkcg_rstat_flush() 2022-11-16 16:58:44 -07:00
blk-core.c block: fix use-after-free of q->q_usage_counter 2022-12-15 05:23:11 -07:00
blk-crypto-fallback.c treewide: use get_random_bytes() when possible 2022-10-11 17:42:58 -06:00
blk-crypto-internal.h blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register 2022-11-30 11:09:00 -07:00
blk-crypto-profile.c blk-crypto: Add a missing include directive 2022-11-23 10:38:54 -07:00
blk-crypto-sysfs.c block: untangle request_queue refcounting from sysfs 2022-11-30 11:09:00 -07:00
blk-crypto.c for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
blk-flush.c block: change request end_io handler to pass back a return value 2022-09-30 07:49:09 -06:00
blk-ia-ranges.c block: untangle request_queue refcounting from sysfs 2022-11-30 11:09:00 -07:00
blk-integrity.c blk-crypto: remove blk_crypto_unregister() 2021-11-29 06:38:51 -07:00
blk-ioc.c block: fix default IO priority handling again 2022-06-27 06:29:12 -06:00
blk-iocost.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
blk-iolatency.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
blk-ioprio.c blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit 2022-09-26 19:09:31 -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 blk-lib: fix blkdev_issue_secure_erase 2022-09-15 00:25:17 -06:00
blk-map.c block: set FOLL_PCI_P2PDMA in bio_map_user_iov() 2022-11-09 11:29:21 -07:00
blk-merge.c block: Micro-optimize get_max_segment_size() 2022-10-25 13:41:20 -06:00
blk-mq-cpumap.c block: Change the return type of blk_mq_map_queues() into void 2022-08-22 10:07:53 -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 for-6.1/block-2022-10-03 2022-10-07 09:19:14 -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 block: Change the return type of blk_mq_map_queues() into void 2022-08-22 10:07:53 -06:00
blk-mq-rdma.c block: Change the return type of blk_mq_map_queues() into void 2022-08-22 10:07:53 -06:00
blk-mq-sched.c block: split elevator_switch 2022-11-01 09:12:24 -06:00
blk-mq-sched.h block: move blk_mq_sched_assign_ioc to blk-ioc.c 2021-11-29 06:41:29 -07:00
blk-mq-sysfs.c blk-mq: fix possible memleak when register 'hctx' failed 2022-11-25 06:34:03 -07:00
blk-mq-tag.c sbitmap: fix batched wait_cnt accounting 2022-09-12 00:10:34 -06:00
blk-mq-tag.h blk-mq: blk_mq_tag_busy is no need to return a value 2022-06-27 06:29:12 -06:00
blk-mq-virtio.c block: Change the return type of blk_mq_map_queues() into void 2022-08-22 10:07:53 -06:00
blk-mq.c for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
blk-mq.h blk-mq: move the srcu_struct used for quiescing to the tagset 2022-11-02 08:35:34 -06:00
blk-pm.c scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume() 2021-12-22 23:38:29 -05:00
blk-pm.h
…
blk-rq-qos.c block/rq_qos: Use atomic_try_cmpxchg in atomic_inc_below 2022-07-12 14:38:52 -06:00
blk-rq-qos.h block/blk-rq-qos: delete useless enmu RQ_QOS_IOPRIO 2022-09-21 19:50:53 -06:00
blk-settings.c for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
blk-stat.c block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-stat.h block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-sysfs.c block: untangle request_queue refcounting from sysfs 2022-11-30 11:09:00 -07:00
blk-throttle.c blk-throttle: Use more suitable time_after check for update of slice_start 2022-12-05 13:45:31 -07:00
blk-throttle.h blk-throttle: pass a gendisk to blk_throtl_cancel_bios 2022-09-26 19:17:28 -06:00
blk-timeout.c
…
blk-wbt.c blk-wbt: don't enable throttling if default elevator is bfq 2022-10-23 18:59:17 -06:00
blk-wbt.h blk-wbt: don't show valid wbt_lat_usec in sysfs while wbt is disabled 2022-10-23 18:59:17 -06:00
blk-zoned.c block: adapt blk_mq_plug() to not plug for writes that require a zone lock 2022-09-29 07:45:47 -06:00
blk.h for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
bounce.c block: change the blk_queue_bounce calling convention 2022-08-02 17:22:54 -06:00
bsg-lib.c blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue 2022-10-25 08:25:10 -06:00
bsg.c Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
disk-events.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
elevator.c block: untangle request_queue refcounting from sysfs 2022-11-30 11:09:00 -07:00
elevator.h block: add proper helpers for elevator_type module refcount management 2022-10-23 18:59:17 -06:00
fops.c block: remove blkdev_writepages 2022-11-16 11:32:53 -07:00
genhd.c Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
holder.c block: don't allow a disk link holder to itself 2022-11-16 15:19:56 -07:00
ioctl.c block: Do not reread partition table on exclusively open device 2022-12-01 07:44:03 -07:00
ioprio.c block: Fix handling of tasks without ioprio in ioprio_get(2) 2022-06-27 06:29:12 -06:00
kyber-iosched.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
mq-deadline.c block: mq-deadline: Rename deadline_is_seq_writes() 2022-11-28 19:27:45 -07:00
opal_proto.h block: sed-opal: Add ioctl to return device status 2022-08-22 07:52:51 -06:00
sed-opal.c for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
t10-pi.c block: add pi for extended integrity 2022-03-07 12:48:35 -07:00