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and subject line Bug#244589: fixed in busybox-cvs 20040507-1
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Received: (at submit) by bugs.debian.org; 19 Apr 2004 01:41:37 +0000
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Date: Mon, 19 Apr 2004 02:41:34 +0100
From: Colin Watson <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: busybox-cvs: 'cp -a' from cramfs breaks
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Package: busybox-cvs
Version: 20040408-1
Tags: patch d-i
When I create a cramfs of a debian-installer tree and try to boot from
it, the 'cp -a' in d-i's init falls over like this, which makes init
fall over in turn:
cp: unable to link `../tmp/usr/share/discover/usb.lst': Operation not permitted
cp: unable to link `../tmp/var/log/messages': Operation not permitted
It turns out that this is because cramfs sets the same inode (namely 1)
on empty directories and zero-length files, and busybox cp thinks that
it can hard-link together anything with the same inode. While this is a
fair assumption with more normal filesystems, it would be very useful if
it could apply more sanity checks before trying to call link(), such as
checking the link count, which on any normal filesystem will be greater
than one for each of a set of hardlink.
I've successfully booted using the following patch:
diff -u busybox-cvs-20040408/debian/changelog busybox-cvs-20040408/debian/changelog
--- busybox-cvs-20040408/debian/changelog
+++ busybox-cvs-20040408/debian/changelog
@@ -1,3 +1,11 @@
+busybox-cvs (20040408-1.1) UNRELEASED; urgency=low
+
+ * libbb/copy_file.c:
+ - Fix 'cp -a' from cramfs, where zero-length files and empty directories
+ have the same inode number. Only make hardlinks if st_nlink > 1.
+
+ -- Colin Watson <[EMAIL PROTECTED]> Mon, 19 Apr 2004 01:03:51 +0100
+
busybox-cvs (20040408-1) unstable; urgency=low
* New CVS version
only in patch2:
unchanged:
--- busybox-cvs-20040408.orig/libbb/copy_file.c
+++ busybox-cvs-20040408/libbb/copy_file.c
@@ -129,6 +129,7 @@
char *link_name;
if (!(flags & FILEUTILS_DEREFERENCE) &&
+ source_stat.st_nlink > 1 &&
is_in_ino_dev_hashtable(&source_stat, &link_name)) {
if (link(link_name, dest) < 0) {
bb_perror_msg("unable to link `%s'", dest);
Thanks,
--
Colin Watson [EMAIL PROTECTED]
---------------------------------------
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From: Bastian Blank <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: $Revision: 1.49 $
Subject: Bug#244589: fixed in busybox-cvs 20040507-1
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Date: Sun, 09 May 2004 04:02:10 -0400
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Source: busybox-cvs
Source-Version: 20040507-1
We believe that the bug you reported is fixed in the latest version of
busybox-cvs, which is due to be installed in the Debian FTP archive:
busybox-cvs-floppy-udeb_20040507-1_i386.udeb
to pool/main/b/busybox-cvs/busybox-cvs-floppy-udeb_20040507-1_i386.udeb
busybox-cvs-static_20040507-1_i386.deb
to pool/main/b/busybox-cvs/busybox-cvs-static_20040507-1_i386.deb
busybox-cvs-udeb_20040507-1_i386.udeb
to pool/main/b/busybox-cvs/busybox-cvs-udeb_20040507-1_i386.udeb
busybox-cvs_20040507-1.diff.gz
to pool/main/b/busybox-cvs/busybox-cvs_20040507-1.diff.gz
busybox-cvs_20040507-1.dsc
to pool/main/b/busybox-cvs/busybox-cvs_20040507-1.dsc
busybox-cvs_20040507-1_i386.deb
to pool/main/b/busybox-cvs/busybox-cvs_20040507-1_i386.deb
busybox-cvs_20040507.orig.tar.gz
to pool/main/b/busybox-cvs/busybox-cvs_20040507.orig.tar.gz
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Bastian Blank <[EMAIL PROTECTED]> (supplier of updated busybox-cvs package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Sat, 08 May 2004 14:58:04 +0200
Source: busybox-cvs
Binary: busybox-cvs-static busybox-cvs busybox-cvs-udeb busybox-cvs-floppy-udeb
Architecture: source i386
Version: 20040507-1
Distribution: unstable
Urgency: low
Maintainer: Debian Install System Team <[EMAIL PROTECTED]>
Changed-By: Bastian Blank <[EMAIL PROTECTED]>
Description:
busybox-cvs - Tiny utilities for small and embedded systems
busybox-cvs-floppy-udeb - Tiny utilities for the debian-installer floppy images (udeb)
busybox-cvs-static - Standalone rescue shell with tons of builtin utilities
busybox-cvs-udeb - Tiny utilities for the debian-installer (udeb)
Closes: 231606 231618 243508 244589 245560 245580
Changes:
busybox-cvs (20040507-1) unstable; urgency=low
.
* New CVS version
- Fix detection of hardlinks. (closes: #244589)
- Fix CAN-2003-0856.
* debian/config-udeb*:
- Enable netcat. (closes: #243508)
- Enable support for md5sum -c.
* modutils:
- Fix parameter passing for 2.4 modules. (closes: #245560)
- Add biarch support to 2.4 depmod and lsmod. (closes: #231606, #231618)
- Add 2.6 support to lsmod. (closes: #245580)
Files:
113ea64588b3818f08acb01db2b62003 793 - optional busybox-cvs_20040507-1.dsc
32dfbe0f9e8b62068fc39c702a019452 1305493 - optional busybox-cvs_20040507.orig.tar.gz
c6d9437d7261a70426a0db6292370181 174341 - optional busybox-cvs_20040507-1.diff.gz
748e45604a1dd1ce013bcea4c6456251 663742 shells optional
busybox-cvs-static_20040507-1_i386.deb
f472f16657d1b4a00f6e82df6f7bc79c 124672 utils optional busybox-cvs_20040507-1_i386.deb
342b17d56017cef366843ba2d60ecec4 141464 debian-installer extra
busybox-cvs-udeb_20040507-1_i386.udeb
e15741435178af495a2315a42c472e65 59436 debian-installer extra
busybox-cvs-floppy-udeb_20040507-1_i386.udeb
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