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  1. Lustre
  2. LU-8014

potential memory dereference in kuc_ispayload()

Details

    • Bug
    • Resolution: Fixed
    • Minor
    • Lustre 2.9.0
    • None
    • 3
    • 9223372036854775807

    Description

      That function takes a pointer, decrements it and dereference the new address. However we have no idea if the page it's in is readable or even exists. Such dereference would cause an oops.

      Attachments

        Activity

          [LU-8014] potential memory dereference in kuc_ispayload()
          mdiep Minh Diep made changes -
          Link New: This issue is related to JFC-20 [ JFC-20 ]
          mdiep Minh Diep made changes -
          Labels New: patch
          mdiep Minh Diep made changes -
          Link New: This issue is related to LDEV-608 [ LDEV-608 ]
          pjones Peter Jones made changes -
          Resolution New: Fixed [ 1 ]
          Status Original: Reopened [ 4 ] New: Resolved [ 5 ]
          pjones Peter Jones added a comment -

          Both patches now landed for 2.9

          pjones Peter Jones added a comment - Both patches now landed for 2.9
          pjones Peter Jones made changes -
          Assignee Original: WC Triage [ wc-triage ] New: Frank Zago [ fzago ]
          gerrit Gerrit Updater added a comment -

          Oleg Drokin (oleg.drokin@intel.com) merged in patch http://review.whamcloud.com/19869/
          Subject: LU-8014 hsm: remove invalid kuc_free in coordinator
          Project: fs/lustre-release
          Branch: master
          Current Patch Set:
          Commit: 12ac7f2baa3691eaf74d468aedb7615f6ddf6d60

          gerrit Gerrit Updater added a comment - Oleg Drokin (oleg.drokin@intel.com) merged in patch http://review.whamcloud.com/19869/ Subject: LU-8014 hsm: remove invalid kuc_free in coordinator Project: fs/lustre-release Branch: master Current Patch Set: Commit: 12ac7f2baa3691eaf74d468aedb7615f6ddf6d60
          adilger Andreas Dilger made changes -
          Resolution Original: Fixed [ 1 ]
          Status Original: Resolved [ 5 ] New: Reopened [ 4 ]
          adilger Andreas Dilger added a comment -

          Reopen to track http://review.whamcloud.com/19869 landing.

          adilger Andreas Dilger added a comment - Reopen to track http://review.whamcloud.com/19869 landing.
          gerrit Gerrit Updater added a comment -

          Frank Zago (fzago@cray.com) uploaded a new patch: http://review.whamcloud.com/19869
          Subject: LU-8014 hsm: remove invalid kuc_free in coordinator
          Project: fs/lustre-release
          Branch: master
          Current Patch Set: 1
          Commit: 1db3aa54f1f41719bf1a4bec2e6d172734959c00

          gerrit Gerrit Updater added a comment - Frank Zago (fzago@cray.com) uploaded a new patch: http://review.whamcloud.com/19869 Subject: LU-8014 hsm: remove invalid kuc_free in coordinator Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 1db3aa54f1f41719bf1a4bec2e6d172734959c00

          People

            fzago Frank Zago (Inactive)
            fzago Frank Zago (Inactive)
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            Dates

              Created:
              Updated:
              Resolved: