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  1. Lustre
  2. LU-12436

Memory allocation failure error dropped

Details

    • 3
    • 9223372036854775807

    Description

      In low memory conditions a page allocation failure leading to a leaked ERR_PTR(-ENOMEM) being later used as a valid pointer causing a NULL pointer deference.

      IP: osc_io_init+0x16/0x80 [osc]
      PGD 0 P4D 0
      Oops: 0000 1 SMP PTI
      ...
      Call Trace:
      cl_io_init0.isra.21+0xa1/0x150 [obdclass]
      cl_io_sub_init+0x3a/0x80 [obdclass]
      lov_sub_get+0x29d/0x770 [lov]
      lov_io_iter_init+0x26c/0xa80 [lov]

       

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            [LU-12436] Memory allocation failure error dropped

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38360/
            Subject: LU-12436 lov: return error if cl_env_get fails
            Project: fs/lustre-release
            Branch: b2_12
            Current Patch Set:
            Commit: bb588c70baa84b0e02d4e663d8bceca3cd39ee2b

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38360/ Subject: LU-12436 lov: return error if cl_env_get fails Project: fs/lustre-release Branch: b2_12 Current Patch Set: Commit: bb588c70baa84b0e02d4e663d8bceca3cd39ee2b

            Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/38360
            Subject: LU-12436 lov: return error if cl_env_get fails
            Project: fs/lustre-release
            Branch: b2_12
            Current Patch Set: 1
            Commit: 00757bb78978a52c389f85d40dade088b7964266

            gerrit Gerrit Updater added a comment - Minh Diep (mdiep@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/38360 Subject: LU-12436 lov: return error if cl_env_get fails Project: fs/lustre-release Branch: b2_12 Current Patch Set: 1 Commit: 00757bb78978a52c389f85d40dade088b7964266
            pjones Peter Jones added a comment -

            Landed for 2.13

            pjones Peter Jones added a comment - Landed for 2.13

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/35229/
            Subject: LU-12436 lov: return error if cl_env_get fails
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: a7997c836bbfe2a0674007f1c23b9593e596e0ba

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/35229/ Subject: LU-12436 lov: return error if cl_env_get fails Project: fs/lustre-release Branch: master Current Patch Set: Commit: a7997c836bbfe2a0674007f1c23b9593e596e0ba

            Shaun Tancheff (stancheff@cray.com) uploaded a new patch: https://review.whamcloud.com/35231
            Subject: LU-12436 llite: clio locking between sleep and wake_up
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 5aa832a56a83b8beee7a2d295855152ebe458d2f

            gerrit Gerrit Updater added a comment - Shaun Tancheff (stancheff@cray.com) uploaded a new patch: https://review.whamcloud.com/35231 Subject: LU-12436 llite: clio locking between sleep and wake_up Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 5aa832a56a83b8beee7a2d295855152ebe458d2f

            Shaun Tancheff (stancheff@cray.com) uploaded a new patch: https://review.whamcloud.com/35229
            Subject: LU-12436 lov: return error if cl_env_get fails
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 5a9b6fce18aea76c6c07e8228175c15857e90897

            gerrit Gerrit Updater added a comment - Shaun Tancheff (stancheff@cray.com) uploaded a new patch: https://review.whamcloud.com/35229 Subject: LU-12436 lov: return error if cl_env_get fails Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 5a9b6fce18aea76c6c07e8228175c15857e90897

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              stancheff Shaun Tancheff
              stancheff Shaun Tancheff
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              Dates

                Created:
                Updated:
                Resolved: