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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 ]

  reply	other threads:[~2026-04-10 15:53 UTC|newest]

Thread overview: 63+ 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
2026-04-10 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

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