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Paul E. McKenney e997dda650 srcu: Tighten cleanup_srcu_struct() GP checks 
[ Upstream commit 8ed0076020 ]

Currently, cleanup_srcu_struct() checks for a grace period in progress,
but it does not check for a grace period that has not yet started but
which might start at any time.  Such a situation could result in a
use-after-free bug, so this commit adds a check for a grace period that
is needed but not yet started to cleanup_srcu_struct().

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-07-12 16:42:18 +02:00
..
Kconfig rcu: Make TASKS_RUDE_RCU select IRQ_WORK 2022-06-09 10:29:34 +02:00
Kconfig.debug rcu: Restrict RCU_STRICT_GRACE_PERIOD to at most four CPUs 2021-05-10 16:22:54 -07:00
Makefile rcuperf: Change rcuperf to rcuscale 2020-08-24 18:39:24 -07:00
rcu.h Merge branches 'bitmaprange.2021.05.10c', 'doc.2021.05.10c', 'fixes.2021.05.13a', 'kvfree_rcu.2021.05.10c', 'mmdumpobj.2021.05.10c', 'nocb.2021.05.12a', 'srcu.2021.05.12a', 'tasks.2021.05.18a' and 'torture.2021.05.10c' into HEAD 2021-05-18 10:56:19 -07:00
rcu_segcblist.c rcu/nocb: Invoke rcu_core() at the start of deoffloading 2021-12-07 16:24:44 -08:00
rcu_segcblist.h rcu: Mark writes to the rcu_segcblist structure's ->flags field 2022-02-14 10:36:58 -08:00
rcuscale.c rcuscale: Always log error message 2021-12-07 16:36:17 -08:00
rcutorture.c Merge branches 'exp.2022.02.24a', 'fixes.2022.02.14a', 'rcu_barrier.2022.02.08a', 'rcu-tasks.2022.02.08a', 'rt.2022.02.01b', 'torture.2022.02.01b' and 'torturescript.2022.02.08a' into HEAD 2022-02-24 09:38:46 -08:00
refscale.c refscale: Add missing '\n' to flush message 2021-12-07 16:36:12 -08:00
srcutiny.c srcu: Prevent redundant __srcu_read_unlock() wakeup 2021-11-30 17:28:16 -08:00
srcutree.c srcu: Tighten cleanup_srcu_struct() GP checks 2022-07-12 16:42:18 +02:00
sync.c rcu: Fix various typos in comments 2021-05-12 12:11:05 -07:00
tasks.h rcu-tasks: Handle sparse cpu_possible_mask in rcu_tasks_invoke_cbs() 2022-06-09 10:29:34 +02:00
tiny.c srcu: Initialize SRCU after timers 2021-05-10 16:03:35 -07:00
tree.c RCU pull request for v5.18 2022-03-21 14:00:56 -07:00
tree.h Merge branches 'exp.2022.02.24a', 'fixes.2022.02.14a', 'rcu_barrier.2022.02.08a', 'rcu-tasks.2022.02.08a', 'rt.2022.02.01b', 'torture.2022.02.01b' and 'torturescript.2022.02.08a' into HEAD 2022-02-24 09:38:46 -08:00
tree_exp.h rcu: Mark ->expmask access in synchronize_rcu_expedited_wait() 2022-02-01 17:05:10 -08:00
tree_nocb.h Merge branches 'exp.2022.02.24a', 'fixes.2022.02.14a', 'rcu_barrier.2022.02.08a', 'rcu-tasks.2022.02.08a', 'rt.2022.02.01b', 'torture.2022.02.01b' and 'torturescript.2022.02.08a' into HEAD 2022-02-24 09:38:46 -08:00
tree_plugin.h Changes in this cycle were: 2022-03-22 14:39:12 -07:00
tree_stall.h rcu: Add per-CPU rcuc task dumps to RCU CPU stall warnings 2022-02-01 17:22:17 -08:00
update.c rcu: Uninline multi-use function: finish_rcuwait() 2022-02-14 10:36:58 -08:00