linux-kernel - Re: [PATCH] timerqueue: Fix uninit value

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Message-ID: <67f0d7ea.050a0220.0a13.022e.GAE@google.com>
Date: Sat, 05 Apr 2025 00:12:42 -0700
From: syzbot <syzbot+d5e61dcfda08821a226d@...kaller.appspotmail.com>
To: richard120310@...il.com
Cc: richard120310@...il.com, syzkaller-bugs@...glegroups.com, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] timerqueue: Fix uninit value

> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1e1ba8d23dae

This crash does not have a reproducer. I cannot test it.

>
> Signed-off-by: I Hsin Cheng <richard120310@...il.com>
> ---
>  include/linux/timerqueue.h | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/timerqueue.h b/include/linux/timerqueue.h
> index d306d9dd2207..a42fdc83f694 100644
> --- a/include/linux/timerqueue.h
> +++ b/include/linux/timerqueue.h
> @@ -30,6 +30,8 @@ struct timerqueue_node *timerqueue_getnext(struct timerqueue_head *head)
>  static inline void timerqueue_init(struct timerqueue_node *node)
>  {
>  	RB_CLEAR_NODE(&node->node);
> +	node->node.rb_right = NULL;
> +	node->node.rb_left = NULL;
>  }
>  
>  static inline bool timerqueue_node_queued(struct timerqueue_node *node)
> -- 
> 2.43.0
>