linux-kernel - "WARNING in rcu_sr_normal_complete" in Linux Kernel v6.12-rc4

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Message-ID: <CAKHoSAvbRnktnM=H52eNe0QQryP908Q612Hfxzy2sozUdHRrjQ@mail.gmail.com>
Date: Wed, 15 Jan 2025 10:36:44 +0800
From: cheung wall <zzqq0103.hey@...il.com>
To: "Paul E. McKenney" <paulmck@...nel.org>, Frederic Weisbecker <frederic@...nel.org>, 
	Neeraj Upadhyay <neeraj.upadhyay@...nel.org>, Joel Fernandes <joel@...lfernandes.org>, 
	Josh Triplett <josh@...htriplett.org>, Boqun Feng <boqun.feng@...il.com>, 
	Uladzislau Rezki <urezki@...il.com>, linux-kernel@...r.kernel.org
Cc: Steven Rostedt <rostedt@...dmis.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, 
	Lai Jiangshan <jiangshanlai@...il.com>, Zqiang <qiang.zhang1211@...il.com>, rcu@...r.kernel.org
Subject: "WARNING in rcu_sr_normal_complete" in Linux Kernel v6.12-rc4

Hello,

I am writing to report a potential vulnerability identified in the
Linux Kernel version v6.12-rc4. This vulnerability was discovered
while i was testing the kernel.

Linux Kernel Repository Git Commit:
42f7652d3eb527d03665b09edac47f85fb600924 (tag: v6.12-rc4)

Bug Location: 0010:rcu_sr_normal_complete+0xd0/0x110 kernel/rcu/tree.c:1638

Bug report: https://pastebin.com/kuJ7wnPe

Entire Log: https://pastebin.com/fT42ya0T

Thank you for your time and attention.

Best regards

Wall