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  1. Lustre
  2. LU-17085

llite: safely duplicate iov_iter (was: pin_user_pages on unaligned DIO/AIO)

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Details

    • Bug
    • Resolution: Fixed
    • Minor
    • Lustre 2.16.0
    • None
    • None
    • 3
    • 9223372036854775807

    Description

      If user_backed_iter() is true use copy_from_user / copy_to_user to modify the associated struct iovec attached to the iov_iter.

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          is blocking

          Bug - A problem which impairs or prevents the functions of the product. LU-17927 sanity test_119e: FAIL: trivial unaligned dio failed

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-17879 sanity test_56x: RIP: 0010:cl_sub_dio_alloc+0x173/0x330 [obdclass]

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-18006 sanity test_119f: crash in ll_dio_user_copy

          • Blocker - Blocks development and/or testing work, production could not run.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-17932 sanity test_56xc: FAIL: unexpected stripe count 2 (min 3)

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              stancheff Shaun Tancheff
              stancheff Shaun Tancheff
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              Dates

                Created:
                Updated:
                Resolved: