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  1. Lustre
  2. LU-8162

Get i_mutex lock when changing SUID bits

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      SLES-12
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      __generic_file_aio_write assumes i_mutex lock is taken. We generally don't need it, as it's handled elsewhere in our stack, however on SLES_12, the condition is explicitly checked when changing the SUID bits and a stack is dumped (once per boot) to /var/log/messages

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              • Assignee:
                bevans Ben Evans (Inactive)
                Reporter:
                bevans Ben Evans (Inactive)
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                • Created:
                  Updated:
                  Resolved: