Date: Wed, 6 Jul 2011 19:21:51 +0300 (EEST) From: Andriy Gapon <avg@FreeBSD.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/158689: [acpi] value of sysctl hw.acpi.thermal.polling_rate needs validation Message-ID: <201107061621.p66GLplE077922@odyssey.starpoint.kiev.ua> Resent-Message-ID: <201107061640.p66Ge73D074104@freefall.freebsd.org>
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>Number: 158689 >Category: kern >Synopsis: [acpi] value of sysctl hw.acpi.thermal.polling_rate needs validation >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jul 06 16:40:06 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Andriy Gapon >Release: FreeBSD 8.2-STABLE amd64 >Organization: >Environment: >Description: Currently value for sysctl hw.acpi.thermal.polling_rate is not validated in any way. So a user can potentially assign a zero or a negative value to it. This could lead to undesired effects when hz * acpi_tz_polling_rate is used as a parameter to msleep(). >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:help
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