WSL2-Linux-Kernel/net/mac80211
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
..
Kconfig
Makefile
aead_api.c
aead_api.h
aes_ccm.h
aes_cmac.c
aes_cmac.h
aes_gcm.h
aes_gmac.c
aes_gmac.h
agg-rx.c
agg-tx.c
airtime.c wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration 2022-11-25 12:45:53 +01:00
cfg.c wifi: mac80211: fix maybe-unused warning 2022-12-01 15:09:07 +01:00
chan.c
debug.h
debugfs.c
debugfs.h
debugfs_key.c
debugfs_key.h
debugfs_netdev.c
debugfs_netdev.h
debugfs_sta.c
debugfs_sta.h
driver-ops.c
driver-ops.h
eht.c
ethtool.c
fils_aead.c
fils_aead.h
he.c
ht.c
ibss.c
ieee80211_i.h
iface.c wifi: mac80211: add support for restricting netdev features per vif 2022-12-01 15:09:10 +01:00
key.c
key.h
led.c
led.h
link.c
main.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-10 17:43:53 -08:00
mesh.c
mesh.h
mesh_hwmp.c
mesh_pathtbl.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
mesh_plink.c
mesh_ps.c
mesh_sync.c
michael.c
michael.h
mlme.c wifi: mac80211: don't parse multi-BSSID in assoc resp 2022-12-01 15:09:10 +01:00
ocb.c
offchannel.c
pm.c
rate.c
rate.h
rc80211_minstrel_ht.c
rc80211_minstrel_ht.h
rc80211_minstrel_ht_debugfs.c
rx.c wifi: mac80211: fix and simplify unencrypted drop check for mesh 2022-12-01 15:11:11 +01:00
s1g.c wifi: mac80211: Set TWT Information Frame Disabled bit as 1 2022-11-02 09:50:40 +01:00
scan.c
spectmgmt.c
sta_info.c
sta_info.h
status.c
tdls.c
tkip.c
tkip.h
trace.c
trace.h
trace_msg.h
tx.c wifi: mac80211: add support for restricting netdev features per vif 2022-12-01 15:09:10 +01:00
util.c
vht.c
wep.c
wep.h
wme.c
wme.h
wpa.c
wpa.h