From: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
To: John Wood <john.wood@gmx.com>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: [PATCH 0/4] Help to debug spinlocks
Date: Sun, 20 Dec 2020 15:06:52 -0500 [thread overview]
Message-ID: <7064.1608494812@turing-police> (raw)
In-Reply-To: <20201220114708.GA11045@ubuntu>
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On Sun, 20 Dec 2020 12:47:08 +0100, John Wood said:
> disable interrupts. Then, the task_free hook was call from an IRQ context
> and tried to acquire the same lock in a write state.
OK, I'll bite.
Why was task_free called from an IRQ context in the first place? That sounds
awfully fishy.....
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next prev parent reply other threads:[~2020-12-20 20:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-19 11:46 [PATCH 0/4] Help to debug spinlocks John Wood
2020-12-19 11:46 ` [PATCH 1/4] security: Add LSM hook at the point where a task gets a fatal signal John Wood
2020-12-19 11:46 ` [PATCH 2/4] security/brute: Define a LSM and manage statistical data John Wood
2020-12-19 11:46 ` [PATCH 3/4] securtiy/brute: Detect a brute force attack John Wood
2020-12-20 11:47 ` [PATCH 0/4] Help to debug spinlocks John Wood
2020-12-20 20:06 ` Valdis Klētnieks [this message]
2020-12-21 18:02 ` John Wood
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