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  1. Lustre
  2. LU-5365

invalid pool name accepted when setting stripe information

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Minor Minor
    • None
    • Lustre 2.6.0
    • None
    • 3
    • 14962

      When striping information is set for a file, the kernel will accept the name of an OST pool which does not exist. The lfs utility validates the pool name in user space, but this can be bypassed by using the ioctl() or fsetxattr() interfaces directly. See attached program.

      $  bass6@t222 >
gcc -I lustre/include -I libcfs/include pool_test.c lustre/utils/liblustreapi.a
$  bass6@t222 >
sudo ./a.out /mnt/lustre/`mktemp -u XXXX` /mnt/lustre/`mktemp -u XXXX` asdf
a.out: poolname 'asdf' accepted via ioctl() for file /mnt/lustre/uchD
a.out: poolname 'asdf' accepted via fsetxattr() for file /mnt/lustre/Ba5t

        1. pool_test.c
          3 kB
          Ned Bass

            yujian Jian Yu
            nedbass Ned Bass (Inactive)
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              Created:
              Updated: