Date: Thu, 12 Jun 2008 23:28:27 GMT From: Simson Garfinkel <simsong@acm.org> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/124530: removing a USB flash drive while the drive is being accessed causes a kernel panic Message-ID: <200806122328.m5CNSRT7093948@www.freebsd.org> Resent-Message-ID: <200806122330.m5CNU19N033904@freefall.freebsd.org>
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>Number: 124530
>Category: kern
>Synopsis: removing a USB flash drive while the drive is being accessed causes a kernel panic
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jun 12 23:30:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator: Simson Garfinkel
>Release: 7.0-RELEASE
>Organization:
Naval Postgraduate School
>Environment:
FreeBSD copy.ern.nps.edu 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun Feb 24 19:59:52 UTC 2008 root@logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
>Description:
1. insert a flash disk into the usb slot. Have it mount as /dev/da0
2. Type this:
dd if=/dev/da0 of=/dev/null
3. Remove the flash disk.
The kernel panics.
>How-To-Repeat:
Do it again.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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