Date: Mon, 21 Jan 2002 16:35:49 +0100 (CET) From: Mattias Pantzare <pantzer@ludd.luth.se> To: FreeBSD-gnats-submit@freebsd.org Subject: bin/34117: ftpd enters endless sendfile loop Message-ID: <200201211535.g0LFZn907416@glass.dc.luth.se>
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>Number: 34117
>Category: bin
>Synopsis: ftpd enters endless sendfile loop
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Jan 21 06:50:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Mattias Pantzare
>Release: FreeBSD 4.5-RC1 i386
>Organization:
>Environment:
System: FreeBSD glass.dc.luth.se 4.5-RC1 FreeBSD 4.5-RC1 #1: Thu Jan 17 21:45:48 CET 2002 root@glass.dc.luth.se:/usr/src/sys/compile/GLASS i386
>Description:
ftpd on FreeBSD can enter an endless loop on big files.
>How-To-Repeat:
ftp a big file from a FreeBSD ftpd. (5Gb)
>Fix:
*** ftpd.c.org Mon Jan 21 13:52:26 2002
--- ftpd.c Mon Jan 21 13:59:10 2002
***************
*** 1782,1788 ****
len = filesize;
err = cnt = offset = 0;
! while (err != -1 && cnt < filesize) {
err = sendfile(filefd, netfd, offset, len,
(struct sf_hdtr *) NULL, &cnt, 0);
byte_count += cnt;
--- 1782,1788 ----
len = filesize;
err = cnt = offset = 0;
! while (err != -1 && offset < filesize) {
err = sendfile(filefd, netfd, offset, len,
(struct sf_hdtr *) NULL, &cnt, 0);
byte_count += cnt;
>Release-Note:
>Audit-Trail:
>Unformatted:
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