Ralph Böhme
2017-Aug-09 12:37 UTC
[Samba] FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
On Mon, Aug 07, 2017 at 08:26:22PM -0500, Andrew Walker via samba wrote:> It's also interesting to note that ReFS in windows has a 128KB limit on the > size of alternate data streams. > > When you try to write an overly large stream, the ReFS-backed server > replies with "NT_STATUS_FILE_SYSTEM_LIMITATION" (0xc0000427) rather than > "access denied". The windows client handles this more gracefully than a > simple access denied message. It allows users to skip the file / doesn't > pop up a password prompt.oh, that's interesting. Can you please file a bugreport and assign it to me so we can keep track of this? Thanks! Cheerio! -slow
Andrew Walker
2017-Aug-15 12:08 UTC
[Samba] FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
On Wed, Aug 9, 2017 at 7:37 AM, Ralph Böhme <slow at samba.org> wrote:> On Mon, Aug 07, 2017 at 08:26:22PM -0500, Andrew Walker via samba wrote: > > It's also interesting to note that ReFS in windows has a 128KB limit on > the > > size of alternate data streams. > > > > When you try to write an overly large stream, the ReFS-backed server > > replies with "NT_STATUS_FILE_SYSTEM_LIMITATION" (0xc0000427) rather than > > "access denied". The windows client handles this more gracefully than a > > simple access denied message. It allows users to skip the file / doesn't > > pop up a password prompt. > > oh, that's interesting. Can you please file a bugreport and assign it to > me so > we can keep track of this? Thanks! > > Cheerio! > -slow >Sorry for the late reply. I submitted a request for permission to submit a bug report about this. It was rather meta. Would you like me to use wireshark to get packet captures of Windows and Mac clients trying to write large streams to a ReFS-backed Windows share? I might not be able to set up a test environment to do this for a couple of weeks. Andrew
Ralph Böhme
2017-Nov-05 09:07 UTC
[Samba] FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
On Tue, Aug 15, 2017 at 07:08:40AM -0500, Andrew Walker via samba wrote:> On Wed, Aug 9, 2017 at 7:37 AM, Ralph Böhme <slow at samba.org> wrote: > > > On Mon, Aug 07, 2017 at 08:26:22PM -0500, Andrew Walker via samba wrote: > > > It's also interesting to note that ReFS in windows has a 128KB limit on > > the > > > size of alternate data streams. > > > > > > When you try to write an overly large stream, the ReFS-backed server > > > replies with "NT_STATUS_FILE_SYSTEM_LIMITATION" (0xc0000427) rather than > > > "access denied". The windows client handles this more gracefully than a > > > simple access denied message. It allows users to skip the file / doesn't > > > pop up a password prompt. > > > > oh, that's interesting. Can you please file a bugreport and assign it to > > me so > > we can keep track of this? Thanks! > > > > Cheerio! > > -slow > > > > Sorry for the late reply. I submitted a request for permission to submit a > bug report about this. It was rather meta. > > Would you like me to use wireshark to get packet captures of Windows and > Mac clients trying to write large streams to a ReFS-backed Windows share? I > might not be able to set up a test environment to do this for a couple of > weeks.I created https://bugzilla.samba.org/show_bug.cgi?id=13119 to track this. -slow -- Ralph Boehme, Samba Team https://samba.org/ Samba Developer, SerNet GmbH https://sernet.de/en/samba/
Apparently Analagous Threads
- FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
- FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
- FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
- FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB
- FreeBSD samba server returns nt_status_acces_denied when DosStream xattr larger than 64KB