From: Al Viro <viro@zeniv.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Paul E. McKenney" <paulmck@kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
Neeraj Upadhyay <neeraj.upadhyay@kernel.org>,
Joel Fernandes <joelagnelf@nvidia.com>,
Josh Triplett <josh@joshtriplett.org>,
Boqun Feng <boqun@kernel.org>,
Uladzislau Rezki <urezki@gmail.com>,
Jeff Layton <jlayton@kernel.org>,
linux-fsdevel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Nikolay Borisov <nik.borisov@suse.com>,
Max Kellermann <max.kellermann@ionos.com>,
Eric Sandeen <sandeen@redhat.com>,
Paulo Alcantara <pc@manguebit.org>,
Helge Deller <deller@kernel.org>
Subject: Re: [RFC][PATCH] make sure that lock_for_kill() callers drop the locks in safe order
Date: Fri, 10 Apr 2026 16:57:02 +0100 [thread overview]
Message-ID: <20260410155702.GT3836593@ZenIV> (raw)
In-Reply-To: <CAHk-=wjRgHLvSnEY3P45hSQ0ycKxdz-xqnccAMPuGRrwsvWdig@mail.gmail.com>
[belatedly Cc'ing Helge on this one]
On Fri, Apr 10, 2026 at 08:25:27AM -0700, Linus Torvalds wrote:
> [ Adding RCU maintainers to the participants: see
>
> https://lore.kernel.org/all/20260410084839.GA1310153@ZenIV/
FWIW, the thread starting at https://lore.kernel.org/all/adQO8B0rkR2ftusI@p100/
might also be relevant - another UAF report in the same area, this one
with more(?) reliable reproducer, parisc-specific.
> and the fairly long thread associated with it for context ]
next prev parent reply other threads:[~2026-04-10 15:53 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-22 20:20 [PATCH][RFC] get rid of busy-wait in shrink_dcache_tree() Al Viro
2026-01-23 0:19 ` Linus Torvalds
2026-01-23 0:36 ` Al Viro
2026-01-24 4:36 ` Al Viro
2026-01-24 4:46 ` Linus Torvalds
2026-01-24 5:36 ` Al Viro
2026-01-24 17:45 ` Linus Torvalds
2026-01-24 18:43 ` Al Viro
2026-01-24 19:32 ` Linus Torvalds
2026-01-24 20:28 ` Al Viro
2026-04-02 18:08 ` [RFC PATCH v2 0/4] getting rid of busy-wait in shrink_dcache_parent() Al Viro
2026-04-02 18:08 ` [RFC PATCH v2 1/4] for_each_alias(): helper macro for iterating through dentries of given inode Al Viro
2026-04-02 18:08 ` [RFC PATCH v2 2/4] struct dentry: make ->d_u anonymous Al Viro
2026-04-02 18:08 ` [RFC PATCH v2 3/4] dcache.c: more idiomatic "positives are not allowed" sanity checks Al Viro
2026-04-02 18:08 ` [RFC PATCH v2 4/4] get rid of busy-waiting in shrink_dcache_tree() Al Viro
2026-04-02 19:52 ` Linus Torvalds
2026-04-02 22:44 ` Al Viro
2026-04-02 22:49 ` Linus Torvalds
2026-04-02 23:16 ` Al Viro
2026-04-03 0:29 ` Linus Torvalds
2026-04-03 2:15 ` Al Viro
2026-04-04 0:02 ` Al Viro
2026-04-04 0:04 ` Linus Torvalds
2026-04-04 18:54 ` Al Viro
2026-04-04 19:04 ` Linus Torvalds
2026-04-05 0:04 ` Al Viro
2026-04-02 20:28 ` [RFC PATCH v2 0/4] getting rid of busy-wait in shrink_dcache_parent() Paulo Alcantara
2026-04-03 4:46 ` Al Viro
2026-04-04 8:07 ` [RFC PATCH v3 " Al Viro
2026-04-04 8:07 ` [RFC PATCH v3 1/4] for_each_alias(): helper macro for iterating through dentries of given inode Al Viro
2026-04-04 8:07 ` [RFC PATCH v3 2/4] struct dentry: make ->d_u anonymous Al Viro
2026-04-04 8:07 ` [RFC PATCH v3 3/4] dcache.c: more idiomatic "positives are not allowed" sanity checks Al Viro
2026-04-04 8:07 ` [RFC PATCH v3 4/4] get rid of busy-waiting in shrink_dcache_tree() Al Viro
2026-04-09 16:51 ` [RFC PATCH v3 0/4] getting rid of busy-wait in shrink_dcache_parent() Jeff Layton
2026-04-09 19:02 ` Al Viro
2026-04-09 20:10 ` Jeff Layton
2026-04-09 21:57 ` Al Viro
2026-04-09 22:38 ` Jeff Layton
2026-04-10 8:48 ` [RFC][PATCH] make sure that lock_for_kill() callers drop the locks in safe order Al Viro
2026-04-10 11:18 ` Jeff Layton
2026-04-10 11:56 ` Jeff Layton
2026-04-10 15:25 ` Linus Torvalds
2026-04-10 15:57 ` Al Viro [this message]
2026-04-10 16:27 ` Boqun Feng
2026-04-10 17:31 ` Linus Torvalds
2026-04-10 18:11 ` Paul E. McKenney
2026-04-10 18:21 ` Jeff Layton
2026-04-10 19:19 ` Al Viro
2026-04-10 19:32 ` Jeff Layton
2026-04-10 21:13 ` Calvin Owens
2026-04-10 21:24 ` Al Viro
2026-04-10 22:15 ` Calvin Owens
2026-04-10 23:05 ` Al Viro
2026-04-10 23:30 ` Calvin Owens
2026-04-11 0:51 ` Al Viro
2026-04-11 12:07 ` Calvin Owens
2026-04-10 17:32 ` Paul E. McKenney
2026-04-10 18:26 ` Jeff Layton
2026-04-10 18:36 ` Paul E. McKenney
2026-04-10 18:52 ` Al Viro
2026-04-10 19:21 ` Paul E. McKenney
2026-04-10 19:30 ` Linus Torvalds
2026-04-10 20:24 ` Al Viro
2026-04-10 20:48 ` Al Viro
2026-04-11 21:33 ` Al Viro
2026-04-11 21:34 ` [RFC PATCH 01/11] shrink_dentry_list(): start with removing from shrink list Al Viro
2026-04-11 21:34 ` [RFC PATCH 02/11] fold lock_for_kill() into shrink_kill() Al Viro
2026-04-11 21:34 ` [RFC PATCH 03/11] fold lock_for_kill() and __dentry_kill() into common helper Al Viro
2026-04-11 21:34 ` [RFC PATCH 04/11] reducing rcu_read_lock() scopes in dput and friends, step 1 Al Viro
2026-04-11 21:34 ` [RFC PATCH 05/11] reducing rcu_read_lock() scopes in dput and friends, step 2 Al Viro
2026-04-11 21:34 ` [RFC PATCH 06/11] reducing rcu_read_lock() scopes in dput and friends, step 3 Al Viro
2026-04-11 21:34 ` [RFC PATCH 07/11] reducing rcu_read_lock() scopes in dput and friends, step 4 Al Viro
2026-04-11 21:34 ` [RFC PATCH 08/11] reducing rcu_read_lock() scopes in dput and friends, step 5 Al Viro
2026-04-11 21:34 ` [RFC PATCH 09/11] reducing rcu_read_lock() scopes in dput and friends, step 6 Al Viro
2026-04-11 21:34 ` [RFC PATCH 10/11] adjust calling conventions of lock_for_kill(), fold __dentry_kill() into dentry_kill() Al Viro
2026-04-11 21:34 ` [RFC PATCH 11/11] document dentry_kill() Al Viro
2026-04-12 19:03 ` [RFC PATCH 01/11] shrink_dentry_list(): start with removing from shrink list Al Viro
2026-04-21 9:28 ` [git pull] dcache busy-wait fixes Al Viro
2026-04-21 16:25 ` pr-tracker-bot
2026-04-12 13:15 ` [RFC][PATCH] make sure that lock_for_kill() callers drop the locks in safe order Jeff Layton
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