Re: [PATCH v6] serial: 8250: fix use-after-free in IRQ chain handling

[Jing Wu <realwujing@gmail.com>]

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On Wed, Jul 08, 2026 at 03:33:36PM +0800, Wang Zhaolong wrote:
> I do not want to make this a patch ownership discussion.

Let's be clear about the facts, then.

You reported the bug.  Our team fixed it — the next day.  May 28, our
v1.  You confirmed on May 29 that our v3 fixes your reproducer.

Since then, you've posted three versions — v1, v2, v3 — that
incrementally copy the work we developed and refined through seven
iterations.  Your v2 copied our lock-move skeleton.  Your v3 copied the
irq_chain_mutex rename, __must_hold(), and lockdep_assert_held() — all
written by us, all reviewed by Jiri on our patches.

You list these as your own "Changes in v3" with zero attribution.

This is not a "patch ownership discussion."  You copied our code.  The
kernel is GPLv2 — that means you can use the code, but you must
preserve the copyright notices.  Co-developed-by is the mechanism for
that.

You reported the bug — we fixed it first.  We credited you.  Now add
the tags.

Jing