Re: Bugreport on Ubuntu LTS: not ok - 2 Objects creation does not break ACLs with restrictive umask

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Hi,

sb@sb:~/OSS/git/t$ ./t1304-default-acl.sh --verbose
Initialized empty Git repository in /home/sb/OSS/git/t/trash
directory.t1304-default-acl/.git/
expecting success:
    setfacl -m d:u::rwx,d:g::---,d:o:---,d:m:rwx $dirs_to_set &&
    setfacl -m m:rwx               $dirs_to_set &&
    setfacl -m u:root:rwx          $dirs_to_set &&
    setfacl -m d:u:"${LOGNAME}":rwx  $dirs_to_set &&
    setfacl -m d:u:root:rwx        $dirs_to_set &&

    touch file.txt &&
    git add file.txt &&
    git commit -m "init"

[master (root-commit) 47f54f4] init
 Author: A U Thor <author@xxxxxxxxxxx>
 0 files changed
 create mode 100644 file.txt
ok 1 - Setup test repo

expecting success:
    # SHA1 for empty blob
    check_perms_and_acl .git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391

/home/sb/OSS/git/t/trash directory.t1304-default-acl
not ok - 2 Objects creation does not break ACLs with restrictive umask
#	
#	    # SHA1 for empty blob
#	    check_perms_and_acl .git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391
#	

expecting success:
    git gc &&
    check_perms_and_acl .git/objects/pack/*.pack

Counting objects: 3, done.
Writing objects: 100% (3/3), done.
Total 3 (delta 0), reused 0 (delta 0)
/home/sb/OSS/git/t/trash directory.t1304-default-acl
not ok - 3 git gc does not break ACLs with restrictive umask
#	
#	    git gc &&
#	    check_perms_and_acl .git/objects/pack/*.pack
#	

# failed 2 among 3 test(s)
1..3
sb@sb:~/OSS/git/t$ cat trash\ directory.t1304-default-acl/actual
# file: .git/objects/pack/pack-ee77696bcc9be7ef581005ee3706bc17fcba376d.pack
# owner: sb
# group: sb
user::r--
user:root:rwx	#effective:---
user:sb:rwx	#effective:---
group::---
mask::---
other::---

sb@sb:~/OSS/git/t$ mount
/dev/sda3 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
/dev/sda4 on /home type ext4 (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc
(rw,noexec,nosuid,nodev)
/home/sb/.Private on /home/sb type ecryptfs
(ecryptfs_check_dev_ruid,ecryptfs_cipher=aes,ecryptfs_key_bytes=16,ecryptfs_unlink_sigs,ecryptfs_sig=3b9d213e5c5d5780,ecryptfs_fnek_sig=77bec2da523c0338)
gvfs-fuse-daemon on /home/sb/.gvfs type fuse.gvfs-fuse-daemon
(rw,nosuid,nodev,user=sb)


So I am using /dev/sda4 on /home type ext4 (rw), but my user account
has its home directory encrypted via ecryptfs.
This is not run inside a virtual machine, it's a native computer.



2012/6/5 Matthieu Moy <Matthieu.Moy@xxxxxxxxxxxxxxx>:
> Junio C Hamano <gitster@xxxxxxxxx> writes:
>
>> Stefan Beller <stefanbeller@xxxxxxxxxxxxxx> writes:
>>
>>> I tried debugging into it:
>>> In git/t/t1304-default-acl.sh there is:
>>> check_perms_and_acl () {
>>>     test -r "$1" &&
>>>     getfacl "$1" > actual &&
>>>     grep -q "user:root:rwx" actual &&
>>>     grep -q "user:${LOGNAME}:rwx" actual &&
>>>     egrep "mask::?r--" actual > /dev/null 2>&1 &&
>>>     grep -q "group::---" actual || false
>>> }
>
> Can you run it with --verbose and post the result?
>
>> Any ideas (other than "Your filesystem is broken",
>> that is)?
>
> I'm very tempted to go for the "Your filesystem is broken" indeed.
>
>> As far as I can tell, with 'mask::---', these specific users who are
>> given permissions to read from the objects wouldn't be able to read
>> from them, so...
>
> That's my understanding too.
>
> Stefan, which filesystem are you using in the directory where you run
> tests (type "mount" if you don't know)? Are you running on a virtual
> machine?
>
> --
> Matthieu Moy
> http://www-verimag.imag.fr/~moy/
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