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Bug #35961
closednfs-ganesha: ceph_fsal_setattr2 returned Operation not permitted
% Done:
0%
Source:
Community (dev)
Tags:
Backport:
mimic,luminous
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Ganesha FSAL, libcephfs
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
How to reproduce:
1. mount the nfs-ganesha export directory
2. log in using user1 and create new file named abc.txt
uid=9998(user1) gid=100(users) groups=100(users)
3. add new user user2, and its user group is same as user1's
4. chmod 664 abc.txt
5. log in using user2, and write new string to abc.txt
echo 'Hello' > abc.txt
6. The error "Operation not permitted" will be output
nfs-ganesha logs:
11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] nfs3_setattr :NFS3 :DEBUG :REQUEST PROCESSING: Calling nfs_Setattr handle: File Handle V3: Len=24 4300000110e903000000010000feffffffffffffff000000 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] nfs3_Sattr_To_FSALattr :NFS3 :F_DBG :size = 0 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] nfs3_Sattr_To_FSALattr :NFS3 :F_DBG :set=0 mtime = 0 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] nfs3_Sattr_To_FSALattr :NFS3 :F_DBG :SET_TO_SERVER_TIME Mtime 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] fsal_check_setattr_perms :FSAL :DEBUG :Change SIZE requires FSAL_ACE_PERM_WRITE_DATA 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] fsal_check_setattr_perms :FSAL :DEBUG :Change ATIME and MTIME to NOW requires FSAL_ACE_PERM_WRITE_DATA 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] fsal_check_setattr_perms :FSAL :DEBUG :Requires WRITE_DATA 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] fsal_check_setattr_perms :FSAL :DEBUG :Access check returned No error (checked mode) 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] ceph_fsal_setattr2 :FSAL :F_DBG :attrs set attributes Valid Mask=00400004 size=0x0 mtime=SERVER 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] fsal_find_fd :FSAL :F_DBG :Use global fd openflags = 3 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] ceph_fsal_setattr2 :FSAL :DEBUG :setting size to 0 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] ceph_fsal_setattr2 :FSAL :DEBUG :setattrx returned Operation not permitted (1) 11/09/2018 07:58:20 : epoch 5b976502 : ceph44 : ganesha.nfsd-7442[svc_1] nfs3_setattr :NFS3 :F_DBG :fsal_setattr failed
cephfs client logs:
2018-09-11 07:58:20.329 7feba05dc700 8 client.54044 _ll_setattrx 0x100000003e9.head mask 28
2018-09-11 07:58:20.329 7feba05dc700 20 client.54044 may_setattr 0x100000003e9.head(faked_ino=0 ref=4 ll_ref=1 cap_refs={4=0,1024=0,4096=0,8192=0} open={3=1} mode=100664 size=6/4194304 nlink=1 btime=2018-09-11 07:57:55.598147 mtime=2018-09-11 07:57:55.618157 ctime=2018-09-11 07:58:06.405966 caps=pAsxLsXsxFsxcrwb(0=pAsxLsXsxFsxcrwb) objectset[0x100000003e9 ts 0/0 objects 1 dirty_or_tx 0] parents=0x10000000000.head["abc.txt"] 0x7feb98008640); UserPerm(uid: 9998, gid: 100)
2018-09-11 07:58:20.329 7feba05dc700 10 client.54044 _getattr mask As issued=1
2018-09-11 07:58:20.329 7feba05dc700 3 client.54044 may_setattr 0x7feb98008640 = -1
2018-09-11 07:58:20.329 7feba05dc700 3 client.54044 ll_setattrx 0x100000003e9.head = -1
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