kern/65300: Can't use sendfile(2) to download files in UDF DVD
Alex Wang
alex at alexwang.com
Wed Apr 7 11:41:40 PDT 2004
>Number: 65300
>Category: kern
>Synopsis: Can't use sendfile(2) to download files in UDF DVD
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Apr 07 11:40:15 PDT 2004
>Closed-Date:
>Last-Modified:
>Originator: Alex Wang
>Release: FreeBSD 5.2-RELEASE i386
>Organization:
>Environment:
System: FreeBSD alexwang.com 5.2-RELEASE FreeBSD 5.2-RELEASE #0: Tue Jan 13 23:04:18 CST 2004 alex at alexwang.com:/usr/src/sys/i386/compile/ALEX i386
>Description:
Files in UDF filesystem can't be downlaod through ftp (sendfile(2)).
It seems the udf_read() can't map the right vm page.
>How-To-Repeat:
Just download a file in UDF DVD throught FTP. The file content would
be very strange.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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