From: Catalin Marinas <catalin.marinas@arm.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Matthieu Baerts <matttbe@kernel.org>,
mptcp@lists.linux.dev, Mat Martineau <martineau@kernel.org>,
Geliang Tang <geliang@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
Jonathan Corbet <corbet@lwn.net>, Shuah Khan <shuah@kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
Eric Biggers <ebiggers@kernel.org>,
Christoph Paasch <cpaasch@openai.com>,
Gang Yan <yangang@kylinos.cn>
Subject: Re: [PATCH net-next 0/6] mptcp: misc. features for v6.18
Date: Tue, 2 Sep 2025 19:25:11 +0100 [thread overview]
Message-ID: <aLc2hyFAH9kxlNEg@arm.com> (raw)
In-Reply-To: <20250902082759.1e7813b8@kernel.org>
On Tue, Sep 02, 2025 at 08:27:59AM -0700, Jakub Kicinski wrote:
> On Tue, 2 Sep 2025 16:51:47 +0200 Matthieu Baerts wrote:
> > It is unclear why a second scan is needed and only the second one caught
> > something. Was it the same with the strange issues you mentioned in
> > driver tests? Do you think I should re-add the second scan + cat?
>
> Not sure, cc: Catalin, from experience it seems like second scan often
> surfaces issues the first scan missed.
It's some of the kmemleak heuristics to reduce false positives. It does
a checksum of the object during scanning and only reports a leak if the
checksum is the same in two consecutive scans.
--
Catalin
next prev parent reply other threads:[~2025-09-02 18:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-01 9:39 [PATCH net-next 0/6] mptcp: misc. features for v6.18 Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 1/6] mptcp: use HMAC-SHA256 library instead of open-coded HMAC Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 2/6] mptcp: make ADD_ADDR retransmission timeout adaptive Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 3/6] selftests: mptcp: remove add_addr_timeout settings Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 4/6] selftests: mptcp: add checks for fallback counters Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 5/6] net: Add rfs_needed() helper Matthieu Baerts (NGI0)
2025-09-01 9:39 ` [PATCH net-next 6/6] mptcp: record subflows in RPS table Matthieu Baerts (NGI0)
2025-09-02 14:26 ` [PATCH net-next 0/6] mptcp: misc. features for v6.18 Jakub Kicinski
2025-09-02 14:51 ` Matthieu Baerts
2025-09-02 15:27 ` Jakub Kicinski
2025-09-02 18:25 ` Catalin Marinas [this message]
2025-09-02 18:50 ` Matthieu Baerts
2025-09-02 21:18 ` Catalin Marinas
2025-09-02 21:38 ` Matthieu Baerts
2025-09-02 22:21 ` Christoph Paasch
2025-09-02 14:29 ` Matthieu Baerts
2025-09-02 19:09 ` Jakub Kicinski
2025-09-02 19:25 ` Matthieu Baerts
2025-09-02 20:53 ` Jakub Kicinski
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