Bug #3028: zfs {group,user}space -n prints (null) instead of numeric GID/UID - illumos gate - illumos

Bug #3028

zfs {group,user}space -n prints (null) instead of numeric GID/UID

Added by Yuri Pankov about 8 years ago. Updated about 8 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Yuri Pankov

Category:

zfs - Zettabyte File System

Start date:

2012-07-23

Due date:

% Done:

100%

Estimated time:

Difficulty:

Medium

Tags:

Gerrit CR:

Description

# zfs userspace pvs
TYPE        NAME  USED  QUOTA
POSIX User  root    3K  none
POSIX User  yuri   10G
# zfs userspace -n pvs
TYPE        NAME  USED  QUOTA
POSIX User  (null)   10G
POSIX User  (null)    3K  none
# zfs groupspace pvs
TYPE         NAME  USED  QUOTA
POSIX Group  root    3K  none
# zfs groupspace -n pvs
TYPE         NAME  USED  QUOTA
POSIX Group  (null)    3K  none

History

Updated by Igor Pashev about 8 years ago

Status changed from New to In Progress
% Done changed from 0 to 30

Updated by Igor Pashev about 8 years ago

I think it is usr/src/cmd/zfs/zfs_main.c

It uses nvlist_add_uint32() to set id [1], but test for DATA_TYPE_UINT64 when printing [2],
thus, strval is NULL;

I can't go further, beacuse fresh zfs (without any changes) crashes on zfs list:

libumem.so.1`process_free+0x22(1, 1, 0, fed7da49)
libumem.so.1`free+0x1a(1)
libzfs.so.1`zcmd_free_nvlists+0x22(80465d0, 5a04, 80465d0, fed5b5ee, 0, 80465d0
)
libzfs.so.1`namespace_reload+0x124(80a4548, fefc06a4, fefa09a8, 540)
libzfs.so.1`zfs_iter_root+0x1e(80a4548, 8060134, 8047bd0, fed8182d, 80a1f10, 7)
zfs_for_each+0xfb(0, 8047d3c, 6, 7, 0, 8047ca8)
zfs_do_list+0x313(1, 8047d38, 80759a0, 801, 8047d00, fefc06a4)
main+0x212(2, 8047d34, 8047d40, 8047d28, 80552f2, 8060a60)
_start+0x83(2, 8047dfc, 8047e17, 0, 8047e1c, 8047e6e)

and reports internal error: out of memory on zfs userspace

[1] https://bitbucket.org/illumos/illumos-gate/src/7231b684c18b/usr/src/cmd/zfs/zfs_main.c#cl-2292
[2] https://bitbucket.org/illumos/illumos-gate/src/7231b684c18b/usr/src/cmd/zfs/zfs_main.c#cl-2491