linux-kernel - [PATCH 5.10/5.15 0/1] kprobes: Fix to handle forcibly unoptimized kprobes on freeing

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Message-Id: <20240122113031.301202-1-pchelkin@ispras.ru>
Date: Mon, 22 Jan 2024 14:30:30 +0300
From: Fedor Pchelkin <pchelkin@...ras.ru>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org
Cc: Fedor Pchelkin <pchelkin@...ras.ru>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	"Steven Rostedt (Google)" <rostedt@...dmis.org>,
	linux-kernel@...r.kernel.org,
	lvc-project@...uxtesting.org
Subject: [PATCH 5.10/5.15 0/1] kprobes: Fix to handle forcibly unoptimized kprobes on freeing_list

The `WARNING in kprobe_optimizer` is reproduced on 5.10/5.15 stable
branches.

The problem ([1], link included in original commit description) has been
fixed by the following patch which can be cleanly applied to 5.10/5.15.
The fix is already present in all stable branches starting from 6.1.

Link to the "failed to apply to 5.15" report [2].
Link to the "failed to apply to 5.10" report [3].

[1]: https://lore.kernel.org/all/Y8URdIfVr3pq2X8w@xpf.sh.intel.com/
[2]: https://lore.kernel.org/stable/16781827629218@kroah.com/
[3]: https://lore.kernel.org/stable/16781827635613@kroah.com/