From: Thomas Gleixner <tglx@kernel.org>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Jann Horn <jannh@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
Boqun Feng <boqun@kernel.org>, Waiman Long <longman@redhat.com>,
Clark Williams <clrkwllms@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
syzbot <syzbot+000c800a02097aaa10ed@syzkaller.appspotmail.com>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
kernel list <linux-kernel@vger.kernel.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Jeff Layton <jlayton@kernel.org>
Subject: Re: [PATCH V2] locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()
Date: Sat, 20 Jun 2026 23:45:46 +0200 [thread overview]
Message-ID: <87v7bcnawl.ffs@fw13> (raw)
In-Reply-To: <20260620064404.GE2636677@ZenIV>
On Sat, Jun 20 2026 at 07:44, Al Viro wrote:
> On Fri, Jun 19, 2026 at 02:52:08PM +0200, Thomas Gleixner wrote:
>> Fixes: 0f383b6dc96e ("locking/spinlock: Provide RT variant")
>> Reported-by: syzbot+000c800a02097aaa10ed@syzkaller.appspotmail.com
>> Decoded-by: Jann Horn <jannh@google.com>
>> Signed-off-by: Thomas Gleixner <tglx@kernel.org>
>> Cc: stable@vger.kernel.org
>
> Looks sane.
>
> ACKed-by: Al Viro <viro@zeniv.linux.org.uk>
>
> If RT folks see no subtle problems with that, it ought to go into mainline ASAP.
I'll queue it up tomorrow and send it Linus wards ASAP.
next prev parent reply other threads:[~2026-06-20 21:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-17 17:08 [syzbot] [fs?] KASAN: slab-use-after-free Read in shrink_dcache_tree syzbot
2026-06-18 18:44 ` rt_spin_unlock order of operations [was: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in shrink_dcache_tree] Jann Horn
2026-06-18 20:59 ` Al Viro
2026-06-18 21:03 ` Al Viro
2026-06-18 22:24 ` Thomas Gleixner
2026-06-19 1:36 ` Al Viro
2026-06-19 8:39 ` Sebastian Andrzej Siewior
2026-06-19 12:46 ` Thomas Gleixner
2026-06-19 12:52 ` [PATCH V2] locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() Thomas Gleixner
2026-06-19 12:58 ` Sebastian Andrzej Siewior
2026-06-20 6:44 ` Al Viro
2026-06-20 21:45 ` Thomas Gleixner [this message]
2026-06-21 0:46 ` rt_spin_unlock order of operations [was: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in shrink_dcache_tree] Jeff Layton
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