Date: Wed, 15 Mar 2000 01:49:10 -0800 (PST) From: aef@cliph.keytown.com To: freebsd-gnats-submit@FreeBSD.org Subject: bin/17389: /bin/cp failed on some synthetic vfs Message-ID: <200003150949.BAA01352@freefall.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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