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Date: Wed, 15 Mar 2000 01:49:10 -0800 (PST)
From: aef@cliph.keytown.com
To: freebsd-gnats-submit@FreeBSD.org
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Subject: bin/17389: /bin/cp failed on some synthetic vfs
Sender: owner-freebsd-bugs@FreeBSD.ORG
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>Number:         17389
>Category:       bin
>Synopsis:       /bin/cp failed on some synthetic vfs
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Mar 15 01:50:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Andrew Filonov
>Release:        4.0-CURRENT
>Organization:
n/a
>Environment:
FreeBSD aef 4.0-CURRENT FreeBSD 4.0-CURRENT #0: Fri Mar 10 16:19:21 MSK 2000     root@aef:/usr/src/sys/compile/AEF  i386
>Description:
When i copy file from synthetic vfs (portalfs), /bin/cp
use mmap for source file and failed with EINVAL error
cp /portal/tcp/localhost/daytime somefile
>How-To-Repeat:
100%
>Fix:
Check st_blocks value. For synthetic file - always 0.
Simple path for src/bin/cp/utils.c

128c128
<       if (S_ISREG(fs->st_mode) && fs->st_size <= 8 * 1048576) {
---
>       if (S_ISREG(fs->st_mode) && fs->st_size <= 8 * 1048576 && fs->st_blocks
> 0) {


>Release-Note:
>Audit-Trail:
>Unformatted:


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