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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
..
9p 9p-for-6.2-rc1 2022-12-23 11:39:18 -08:00
adfs
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affs
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afs afs: Stop implementing ->writepage() 2022-12-22 11:40:35 +00:00
autofs
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befs
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bfs
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btrfs hardening updates for v6.2-rc1 2022-12-14 12:20:00 -08:00
cachefiles fscache,cachefiles: add prepare_ondemand_read() callback 2022-12-07 10:56:29 +08:00
ceph A fix to facilitate prompt cap releases on async creates from Xiubo. 2022-12-14 10:35:47 -08:00
cifs 20 cifs/smb3 client fixes, mostly related to reconnect and/or DFS 2022-12-21 10:40:08 -08:00
coda
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configfs configfs: fix possible memory leak in configfs_create_dir() 2022-12-02 11:11:22 +01:00
cramfs
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crypto for-6.2/block-2022-12-08 2022-12-13 10:43:59 -08:00
debugfs debugfs: fix error when writing negative value to atomic_t debugfs file 2022-11-30 16:13:16 -08:00
devpts
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dlm Treewide: Stop corrupting socket's task_frag 2022-12-19 17:28:49 -08:00
ecryptfs ecryptfs: use stub posix acl handlers 2022-10-20 10:13:31 +02:00
efivarfs efi: vars: prohibit reading random seed variables 2022-12-01 09:51:21 +01:00
efs
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erofs Changes since the last update: 2022-12-12 20:14:04 -08:00
exfat Description for this pull request: 2022-12-15 18:14:21 -08:00
exportfs exportfs: use pr_debug for unreachable debug statements 2022-11-28 12:54:45 -05:00
ext2 \n 2022-12-12 20:32:50 -08:00
ext4 treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
f2fs f2fs-for-6.2-rc1 2022-12-14 15:27:57 -08:00
fat MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
freevxfs
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fscache iov_iter work; most of that is about getting rid of 2022-12-12 18:29:54 -08:00
fuse MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
gfs2 gfs2 fixes 2022-12-17 08:18:04 -06:00
hfs MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
hfsplus MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
hostfs
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hpfs hpfs: remove ->writepage 2022-12-11 18:12:18 -08:00
hugetlbfs hugetlbfs: inode: remove unnecessary (void*) conversions 2022-11-30 15:58:56 -08:00
iomap New XFS code for 6.2: 2022-12-14 10:11:51 -08:00
isofs
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jbd2 jbd2: switch jbd2_submit_inode_data() to use fs-provided hook for data writeout 2022-12-08 21:49:25 -05:00
jffs2 fs: rename current get acl method 2022-10-20 10:13:27 +02:00
jfs MM patches for 6.2-rc1. 2022-12-13 19:29:45 -08:00
kernfs kernfs: fix all kernel-doc warnings and multiple typos 2022-11-23 19:28:26 +01:00
ksmbd six ksmbd server fixes 2022-12-15 09:29:19 -08:00
lockd NFSD 6.2 Release Notes 2022-12-12 20:54:39 -08:00
minix
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netfs use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
nfs Driver Core changes for 6.2-rc1 2022-12-16 03:54:54 -08:00
nfs_common
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nfsd nfsd-6.2 supplement: 2022-12-19 09:10:33 -06:00
nilfs2 treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
nls
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notify
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ntfs
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ntfs3 ntfs3 for 6.2 2022-12-21 10:18:17 -08:00
ocfs2 Treewide: Stop corrupting socket's task_frag 2022-12-19 17:28:49 -08:00
omfs omfs: remove ->writepage 2022-12-11 18:12:18 -08:00
openpromfs
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orangefs orangefs: four fixes from Zhang Xiaoxu and two from Colin Ian King 2022-12-14 11:16:33 -08:00
overlayfs overlayfs update for 6.2 2022-12-12 20:18:26 -08:00
proc ARM64: 2022-12-15 11:12:21 -08:00
pstore pstore updates for v6.2-rc1-fixes 2022-12-23 11:55:54 -08:00
qnx4
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qnx6
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quota ext4: fix bug_on in __es_tree_search caused by bad quota inode 2022-12-08 21:49:23 -05:00
ramfs
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reiserfs lsm/stable-6.2 PR 20221212 2022-12-13 09:47:48 -08:00
romfs
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smbfs_common
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squashfs fs.idmapped.squashfs.v6.2 2022-12-12 20:24:51 -08:00
sysfs
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sysv fs: sysv: Fix sysv_nblocks() returns wrong value 2022-12-10 14:13:37 -05:00
tracefs
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ubifs treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
udf \n 2022-12-12 20:32:50 -08:00
ufs
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unicode
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vboxsf
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verity fsverity: simplify fsverity_get_digest() 2022-11-29 21:07:41 -08:00
xfs New XFS code for 6.2: 2022-12-14 10:11:51 -08:00
zonefs zonefs: Fix active zone accounting 2022-11-25 17:01:22 +09:00
Kconfig
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Kconfig.binfmt
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Makefile
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aio.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
anon_inodes.c
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attr.c attr: use consistent sgid stripping checks 2022-10-18 10:09:47 +02:00
bad_inode.c fs: rename current get acl method 2022-10-20 10:13:27 +02:00
binfmt_elf.c Unification of regset and non-regset sides of ELF coredump 2022-12-12 18:18:34 -08:00
binfmt_elf_fdpic.c binfmt: Fix error return code in load_elf_fdpic_binary() 2022-12-01 19:15:52 -08:00
binfmt_elf_test.c
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binfmt_flat.c
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binfmt_misc.c binfmt_misc: fix shift-out-of-bounds in check_special_flags 2022-12-02 13:57:04 -08:00
binfmt_script.c
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buffer.c
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char_dev.c chardev: fix error handling in cdev_device_add() 2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
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coredump.c hardening updates for v6.2-rc1 2022-12-14 12:20:00 -08:00
d_path.c
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dax.c fsdax,xfs: port unshare to fsdax 2022-12-11 18:12:17 -08:00
dcache.c
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direct-io.c
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drop_caches.c
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eventfd.c eventfd: provide a eventfd_signal_mask() helper 2022-11-22 06:07:55 -07:00
eventpoll.c eventpoll: add EPOLL_URING_WAKE poll wakeup flag 2022-11-21 07:45:29 -07:00
exec.c fs.vfsuid.conversion.v6.2 2022-12-12 19:20:05 -08:00
fcntl.c
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fhandle.c
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file.c fs: use acquire ordering in __fget_light() 2022-10-31 15:30:11 -04:00
file_table.c
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filesystems.c
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fs-writeback.c for-6.2/writeback-2022-12-12 2022-12-15 18:09:48 -08:00
fs_context.c
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fs_parser.c ext4: journal_path mount options should follow links 2022-12-01 10:46:54 -05:00
fs_pin.c
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fs_struct.c
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fs_types.c
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fsopen.c
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init.c
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inode.c fs.vfsuid.conversion.v6.2 2022-12-12 19:20:05 -08:00
internal.h fs.ovl.setgid.v6.2 2022-12-12 19:03:10 -08:00
ioctl.c
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kernel_read_file.c
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libfs.c libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value 2022-11-30 16:13:16 -08:00
locks.c Add process name and pid to locks warning 2022-11-30 05:08:10 -05:00
mbcache.c ext4: fix deadlock due to mbcache entry corruption 2022-12-08 21:49:25 -05:00
mount.h
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mpage.c
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namei.c Landlock updates for v6.2-rc1 2022-12-13 09:14:50 -08:00
namespace.c fs.idmapped.mnt_idmap.v6.2 2022-12-12 19:30:18 -08:00
no-block.c
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nsfs.c
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open.c Landlock updates for v6.2-rc1 2022-12-13 09:14:50 -08:00
pipe.c
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pnode.c pnode: terminate at peers of source 2022-12-21 14:45:25 +01:00
pnode.h
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posix_acl.c fs.idmapped.mnt_idmap.v6.2 2022-12-12 19:30:18 -08:00
proc_namespace.c
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read_write.c iov_iter work; most of that is about getting rid of 2022-12-12 18:29:54 -08:00
readdir.c
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remap_range.c New VFS code for 6.2: 2022-12-13 10:26:38 -08:00
select.c
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seq_file.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
signalfd.c
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splice.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
stack.c
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stat.c fs: use type safe idmapping helpers 2022-10-26 10:02:34 +02:00
statfs.c
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super.c misc pile 2022-12-12 18:38:47 -08:00
sync.c
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sysctls.c
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timerfd.c
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userfaultfd.c fs/userfaultfd: Fix maple tree iterator in userfaultfd_unregister() 2022-11-07 12:58:26 -08:00
utimes.c
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xattr.c fs.xattr.simple.rework.rbtree.rwlock.v6.2 2022-12-13 10:08:36 -08:00