dead loop of closing/removing tmp file when TMPDIR is on nfsv4

Hi,

If nfsv4 filesystem is used for TMPDIR, some testcases will have dead loop when closing/removing tmp dir or file, and LTP output file will quickly reach several gigabytes in less than 10 seconds.

For example:

access02:

<<<test_output>>>
access02 1 TBROK : chown(/mnt/nfsv4/ltp-7QMNLSoD0z/accsjrpxj, -1,
0) failed: errno=EPERM(1): Operation not permitted

access02    2  TBROK  :  Remaining cases broken
access02    0  TWARN  :  tst_brk: Invalid Type: 4. Using TBROK
access02    3  TBROK  :  tmpdir_cleanup: no user cleanup function called 
before exiting
access02    4  TBROK  :  unexpected signal 11 received (pid = 6283).
access02    5  TFAIL  :  close(test_file2) failed: errno=EBADF(9): Bad 

file descriptor
access02 6 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 7 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 8 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 9 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 10 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 11 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 12 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 13 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 14 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
access02 15 TFAIL : close(temp_file) failed: errno=EBADF(9): Bad
file descriptor
.....
.....

access01:

access01 0 TWARN : tst_rmdir:
rmobj(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed:
lstat(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed; errno=2: No such file or directory

access01    0  TWARN  :  tst_brk: Invalid Type: 4. Using TBROK
access01 6621  TBROK  :  tmpdir_cleanup: no user cleanup function called 

before exiting
access01 0 TWARN : tst_rmdir:
rmobj(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed:
lstat(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed; errno=2: No such file or directory

access01    0  TWARN  :  tst_brk: Invalid Type: 4. Using TBROK
access01 6622  TBROK  :  tmpdir_cleanup: no user cleanup function called 

before exiting
access01 0 TWARN : tst_rmdir:
rmobj(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed:
lstat(/mnt/nfsv4/ltp-pGpmqg8e6y/acc8wRrm5) failed; errno=2: No such file or directory

access01    0  TWARN  :  tst_brk: Invalid Type: 4. Using TBROK
access01 6623  TBROK  :  tmpdir_cleanup: no user cleanup function called 

before exiting
......
......

nfs mount option: (rw,vers=4,addr=192.168.1.15,clientaddr=192.168.1.137) My first guess is that this has something to do with nfs silly renaming. Any idea?

Thanks
Simon

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