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Tasklist

FS#37946 - Git doesn't work correctly on samba share after upgrading kernel to 3.12

Attached to Project: Arch Linux
Opened by Maciej (niski) - Friday, 29 November 2013, 07:17 GMT
Last edited by Tobias Powalowski (tpowa) - Wednesday, 15 January 2014, 14:13 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture x86_64
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

After upgrading kernel to 3.12 I cannot use 'git add' nor 'git commit' as regular user on samba share. They do work with sudo.


Additional info:

I'm using git 1.8.4.2, samba 4.1.1 on 64-bit Archlinux. I haven't been changing anything in git nor fstab configuration since ages. The problem seems not to be

Share is mounted using systemd automount in /etc/fstab:

//SERVER/DATA /media/smb cifs user,noauto,credentials=/etc/samba/creds,\
workgroup=PRV,uid=1000,gid=users,_netdev,comment=systemd.automount 0 0

mount appears as:

//SERVER/DATA on /media/smb type cifs (rw,nosuid,nodev,noexec,relatime,vers=1.0,\
cache=strict,domain=PRV,uid=1000,forceuid,gid=100,forcegid,addr=10.1.1.5,\
file_mode=0755,dir_mode=0755,nounix,serverino,rsize=61440,wsize=65536,actimeo=1)

'git init && touch test && strace git add test' on empty directory inside the share returns:

open(".git/objects/info/alternates", O_RDONLY|O_NOATIME) = -1 ENOENT (No such file or directory)
access(".git/objects/e6/9de29bb2d1d6434b8b29ae775ad8c2e48c5391", F_OK) = -1 ENOENT (No such file or directory)
open(".git/objects/e6/tmp_obj_GvIyn7", O_RDWR|O_CREAT|O_EXCL, 0444) = -1 EACCES (Permission denied)
write(2, "error: insufficient permission f"..., 88error: insufficient permission for adding an object to repository database .git/objects
) = 88
close(4) = 0
write(2, "error: test: failed to insert in"..., 44error: test: failed to insert into database
) = 44
write(2, "error: unable to index file test"..., 33error: unable to index file test
) = 33


Steps to reproduce:

1. cd into already mounted share
2. mkdir test && cd test
3. git init
4. touch test
5. git add test
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Wednesday, 15 January 2014, 14:13 GMT
Reason for closing:  Fixed
Comment by Kevin Zuber (zk) - Friday, 29 November 2013, 13:41 GMT
Hi there,

thanks for your bug report.

I've got exactly the same issue since a few days. I first thought the reason is the following update:
[2013-11-25 10:00] [PACMAN] upgraded smbclient (4.1.1-1 -> 4.1.2-1)
[2013-11-25 10:00] [PACMAN] upgraded samba (4.1.1-1 -> 4.1.2-1)

But after reading your message I noticed that I did a kernel update from 3.11 to 3.12 with the same update.
So the kernel update may have introduced this bug as well.
Comment by Maciej (niski) - Friday, 13 December 2013, 07:29 GMT
I've opened bug report on kernel's bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=66251

There's a patch appended which seems to fix the issue. Of course it would be better if it got included in the tree.
Comment by Maciej (niski) - Tuesday, 14 January 2014, 23:34 GMT
Fixed by upstream, issue resolved after installing linux-3.12.7-1.

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