From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: linux-usb@vger.kernel.org
Cc: Michael Jamet <michael.jamet@intel.com>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
Andreas Noever <andreas.noever@gmail.com>,
Lukas Wunner <lukas@wunner.de>,
Mario Limonciello <mario.limonciello@dell.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Christian Kellner <christian@kellner.me>,
Len Brown <lenb@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH 1/6] thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link()
Date: Thu, 28 Jan 2021 14:36:20 +0200 [thread overview]
Message-ID: <20210128123620.GS2542@lahna.fi.intel.com> (raw)
In-Reply-To: <20210126155723.9388-2-mika.westerberg@linux.intel.com>
On Tue, Jan 26, 2021 at 06:57:18PM +0300, Mika Westerberg wrote:
> From: Mario Limonciello <mario.limonciello@dell.com>
>
> When we walk up the device hierarchy in tb_acpi_add_link() make sure we
> break the loop if the device has no parent. Otherwise we may crash the
> kernel by dereferencing a NULL pointer.
>
> Fixes: b2be2b05cf3b ("thunderbolt: Create device links from ACPI description")
> Cc: stable@vger.kernel.org
> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Applied this one separately to thunderbolt.git/fixes.
next prev parent reply other threads:[~2021-01-28 12:38 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-26 15:57 [PATCH 0/6] thunderbolt / ACPI: Add support for USB4 _OSC Mika Westerberg
2021-01-26 15:57 ` [PATCH 1/6] thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link() Mika Westerberg
2021-01-28 12:36 ` Mika Westerberg [this message]
2021-01-26 15:57 ` [PATCH 2/6] thunderbolt: Add support for PCIe tunneling disabled (SL5) Mika Westerberg
2021-01-26 16:18 ` Yehezkel Bernat
2021-01-26 16:26 ` Mika Westerberg
2021-01-26 16:29 ` Yehezkel Bernat
2021-01-26 15:57 ` [PATCH 3/6] thunderbolt: Allow disabling XDomain protocol Mika Westerberg
2021-01-26 15:57 ` [PATCH 4/6] ACPI: Execute platform _OSC also with query bit clear Mika Westerberg
2021-01-26 16:25 ` Yehezkel Bernat
2021-01-26 17:21 ` Rafael J. Wysocki
2021-01-26 17:37 ` Limonciello, Mario
2021-01-26 17:42 ` Rafael J. Wysocki
2021-01-26 22:43 ` Limonciello, Mario
2021-01-27 12:49 ` Mika Westerberg
2021-01-27 13:50 ` Rafael J. Wysocki
2021-01-26 15:57 ` [PATCH 5/6] ACPI: Add support for native USB4 control _OSC Mika Westerberg
2021-01-26 17:35 ` Rafael J. Wysocki
2021-01-26 17:46 ` Mika Westerberg
2021-01-26 18:25 ` Rafael J. Wysocki
2021-01-26 18:27 ` Rafael J. Wysocki
2021-01-26 15:57 ` [PATCH 6/6] thunderbolt: Add support for native USB4 _OSC Mika Westerberg
2021-01-26 16:37 ` [PATCH 0/6] thunderbolt / ACPI: Add support for " Yehezkel Bernat
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