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Bug 892275 - checksums-out fail to compute the checksums of all regular files in directory
Summary: checksums-out fail to compute the checksums of all regular files in directory
Keywords:
Status: CLOSED CURRENTRELEASE
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libguestfs
Version: 7.0
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Richard W.M. Jones
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 895904
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-01-06 09:18 UTC by Mohua Li
Modified: 2014-06-18 01:58 UTC (History)
4 users (show)

Fixed In Version: libguestfs-1.22.4-1.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 895904 (view as bug list)
Environment:
Last Closed: 2014-06-13 10:16:37 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Mohua Li 2013-01-06 09:18:15 UTC 
Description of problem:

checksums-out fail to compute the checksums of all regular files in directo
ry, but the checksum works fine,

><fs> checksums-out crc /test  file
libguestfs: trace: checksums_out "crc" "/test" "file"
libguestfs: send_to_daemon: 64 bytes: 00 00 00 3c | 20 00 f5 f5 | 00 00 00 =
04 | 00 00 00 f4 | 00 00 00 0
0 | ...
guestfsd: main_loop: new request, len 0x3c
cd find && xargs -type f -print0 | /sysroot/testDescription of problem:

libguestfs: recv_from_daemon: 40 bytes: 20 00 f5 f5 | 00 00 00 04 | 00 00 0=
0 f4 | 00 00 00 01 | 00 12 34
 05 | ...
sh: line 0: cd: find: No such file or directory
/test: Success
guestfsd: main_loop: proc 244 (checksums_out) took 0.00 seconds
libguestfs: recv_from_daemon: 8 bytes: 00 00 00 01 | 00 00 00 00 |
libguestfs: error: file receive cancelled by daemon
libguestfs: error: file: error in chunked encoding
libguestfs: trace: checksums_out =3D -1 (error)


the folder test is like below,

><fs> ls /test
libguestfs: trace: ls =3D ["file_ascii", "subdir"]
file_ascii
subdir




Version-Release number of selected component (if applicable):
libguestfs-1.20.1-4.el7.x86_64

How reproducible:
always

Steps to Reproduce:
1. prepare some file like above
2.  checksums-out crc /test  file
3.
 
Actual results:


Expected results:


Additional info:
Comment 3 Richard W.M. Jones 2013-07-05 14:48:37 UTC 
Upstream fix:
https://github.com/libguestfs/libguestfs/commit/ebc86ae6d76bab3e09484a039ddffcb323a106a3
Comment 5 Lingfei Kong 2013-12-06 09:36:37 UTC 
Can reproduce with libguestfs-1.20.1-4.el7

Steps to reproduce:
1. 
#guestfish -a RHEL-Server-6.5-64-hvm.raw
><fs> run
><fs> list-filesystems 
/dev/sda1: ext4
/dev/VolGroup/lv_root: ext4
/dev/VolGroup/lv_swap: swap
><fs> mount /dev/sda1 /
><fs> mkdir /test

2. Upload some files to /test/
><fs> upload testfile /test/testfile
><fs> upload anaconda-ks.cfg /test/anaconda-ks.cfg
><fs> ls /test/
anaconda-ks.cfg
testfile

3. 
><fs> checksums-out crc /test  chkfile
libguestfs: trace: checksums_out "crc" "/test" "chkfile"
libguestfs: send_to_daemon: 64 bytes: 00 00 00 3c | 20 00 f5 f5 | 00 00 00 04 | 00 00 00 f4 | 00 00 00 00 | ...
guestfsd: main_loop: proc 1 (mount) took 0.04 seconds
guestfsd: main_loop: new request, len 0x3c
cd find && xargs -type f -print0 | /sysroot/test -0 cksum
libguestfs: recv_from_daemon: 40 bytes: 20 00 f5 f5 | 00 00 00 04 | 00 00 00 f4 | 00 00 00 01 | 00 12 34 13 | ...
sh: line 0: cd: find: No such file or directory
/test: Success
libguestfs: recv_from_daemon: 8 bytes: 00 00 00 01 | 00 00 00 00 | 
libguestfs: error: file receive cancelled by daemon
libguestfs: error: chkfile: error in chunked encoding
libguestfs: trace: checksums_out = -1 (error)


4. Check chkfile on your local host 
#cat chkfile 

command checksums-out failed. 



---------------------------------
Verified with libguestfs-1.22.6-15.el7

Steps to verify:
1. 
#guestfish -a RHEL-Server-6.5-64-hvm.raw
><fs> run
><fs> list-filesystems 
/dev/sda1: ext4
/dev/VolGroup/lv_root: ext4
/dev/VolGroup/lv_swap: swap
><fs> mount /dev/sda1 /
><fs> mkdir /test

2. Upload some files to /test/
><fs> upload testfile /test/testfile
><fs> upload anaconda-ks.cfg /test/anaconda-ks.cfg
><fs> ls /test/
anaconda-ks.cfg
testfile

3. 
><fs> checksums-out crc /test  chkfile
libguestfs: trace: checksums_out "crc" "/test" "chkfile"
guestfsd: main_loop: new request, len 0x3c
cd /sysroot/test && find -type f -print0 | xargs -0 cksum
guestfsd: main_loop: proc 244 (checksums_out) took 0.01 secondslibguestfs: trace: checksums_out = 0


4. Check chkfile on your local host
#cat chkfile 
3742591781 6615 ./testfile
962200688 4337 ./anaconda-ks.cfg

5. On you local host use 'cksum' to check 
#cksum testfile 
3742591781 6615 testfile
#cksum anaconda-ks.cfg 
962200688 4337 anaconda-ks.cfg


command checksums-out works well, and the result is correct according to step 5. So, bug is fixed.
Comment 6 Ludek Smid 2014-06-13 10:16:37 UTC 
This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.
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