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[Jürg Häfliger <1775370@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1775370

Title:
  request_key03 in LTP syscall test cause kernel oops with T kernel

Status in ubuntu-kernel-tests:
  Fix Released
Status in linux package in Ubuntu:
  Fix Committed
Status in linux source package in Trusty:
  Fix Committed

Bug description:
  The "request_key03" from the LTP syscall tests will cause kernel oops
  with Trusty kernel.

  Steps (with root):
    1. sudo apt-get install git xfsprogs -y
    2. git clone --depth=1 https://github.com/linux-test-project/ltp.git
    3. cd ltp
    4. make autotools
    5. ./configure
    6. make; make install
    7. /opt/ltp/testcases/bin/request_key03

  $ sudo /opt/ltp/testcases/bin/request_key03 
  tst_test.c:1015: INFO: Timeout per run is 0h 05m 00s
  request_key03.c:158: FAIL: kernel oops while updating key of type 'encrypted'
  request_key03.c:168: PASS: didn't crash while requesting key of type 'encrypted'
  request_key03.c:158: FAIL: kernel oops while updating key of type 'trusted'
  request_key03.c:168: PASS: didn't crash while requesting key of type 'trusted'
  request_key03.c:154: PASS: didn't crash while updating key of type 'user'
  request_key03.c:168: PASS: didn't crash while requesting key of type 'user'

  Summary:
  passed   4
  failed   2
  skipped  0
  warnings 0


  [14180.795675] encrypted_key: keyword 'update' not allowed when called from .instantiate method
  [14180.796205] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
  [14180.796230] IP: [<ffffffff812e0936>] encrypted_update+0xa6/0x160
  [14180.796248] PGD 800000045383e067 PUD 4568c5067 PMD 0 
  [14180.796263] Oops: 0000 [#1] SMP 
  [14180.796273] Modules linked in: ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt joydev hid_generic x86_pkg_temp_thermal coretemp kvm_intel kvm usbhid hid mac_hid lpc_ich shpchp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul i915_bdw glue_helper ablk_helper cryptd igb dca ptp ahci intel_ips pps_core libahci i2c_algo_bit drm_kms_helper drm video
  [14180.796407] CPU: 6 PID: 1888 Comm: request_key03 Not tainted 3.13.0-151-generic #201
  [14180.796425] Hardware name: Intel Corporation S1200RP/S1200RP, BIOS S1200RP.86B.03.02.0003.070120151022 07/01/2015
  [14180.796449] task: ffff880458463000 ti: ffff880454b16000 task.ti: ffff880454b16000
  [14180.796466] RIP: 0010:[<ffffffff812e0936>]  [<ffffffff812e0936>] encrypted_update+0xa6/0x160
  [14180.796488] RSP: 0018:ffff880454b17e18  EFLAGS: 00010246
  [14180.796502] RAX: 0000000000000000 RBX: ffff880455db1a40 RCX: 0000000000000000
  [14180.796518] RDX: 0000000000000005 RSI: ffff880455db1a4c RDI: ffffffff818400a3
  [14180.796535] RBP: ffff880454b17e50 R08: 0000000000000000 R09: ffff880455db1a4f
  [14180.796552] R10: 0000000000000020 R11: ffffffff81388b44 R12: 0000000000000000
  [14180.796568] R13: 0000000000000000 R14: ffff88045553a240 R15: ffff880455db1a47
  [14180.796585] FS:  00007faf78341740(0000) GS:ffff8804704c0000(0000) knlGS:0000000000000000
  [14180.796604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [14180.796618] CR2: 0000000000000018 CR3: 00000004550c8000 CR4: 0000000000360770
  [14180.796635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [14180.796652] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [14180.796668] Stack:
  [14180.796674]  ffff880455db1a47 0000000000000000 ffff88045553a240 ffff88045553a260
  [14180.796695]  ffff880459c092c0 ffff88045553a241 ffff880458463000 ffff880454b17f00
  [14180.796715]  ffffffff812d761b 0000000000000286 0000000000000000 ffff880459c09980
  [14180.796735] Call Trace:
  [14180.796744]  [<ffffffff812d761b>] key_create_or_update+0x27b/0x420
  [14180.796760]  [<ffffffff812d8e10>] SyS_add_key+0x110/0x210
  [14180.796775]  [<ffffffff81749770>] system_call_fastpath+0x1a/0x1f
  [14180.796789] Code: 89 c7 e8 7e de 09 00 48 8d 55 c8 48 8d 75 d0 45 31 c0 31 c9 48 89 df e8 19 f3 ff ff 85 c0 41 89 c4 0f 88 88 00 00 00 4c 8b 7d c8 <49> 8b 75 18 4c 89 ff e8 fe f1 ff ff 85 c0 41 89 c4 78 71 49 8b 
  [14180.796888] RIP  [<ffffffff812e0936>] encrypted_update+0xa6/0x160
  [14180.796904]  RSP <ffff880454b17e18>
  [14180.796913] CR2: 0000000000000018
  [14180.799331] ---[ end trace 4fc59232fdc581c7 ]---
  [14180.805266] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
  [14180.805303] IP: [<ffffffff812df6c8>] trusted_update+0x28/0x1e0
  [14180.805334] PGD 800000045a2b7067 PUD 45710b067 PMD 0 
  [14180.805361] Oops: 0000 [#2] SMP 
  [14180.805379] Modules linked in: ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi dm_crypt joydev hid_generic x86_pkg_temp_thermal coretemp kvm_intel kvm usbhid hid mac_hid lpc_ich shpchp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul i915_bdw glue_helper ablk_helper cryptd igb dca ptp ahci intel_ips pps_core libahci i2c_algo_bit drm_kms_helper drm video
  [14180.806196] CPU: 6 PID: 1893 Comm: request_key03 Tainted: G      D       3.13.0-151-generic #201
  [14180.806881] Hardware name: Intel Corporation S1200RP/S1200RP, BIOS S1200RP.86B.03.02.0003.070120151022 07/01/2015
  [14180.807578] task: ffff880455966000 ti: ffff880454004000 task.ti: ffff880454004000
  [14180.808273] RIP: 0010:[<ffffffff812df6c8>]  [<ffffffff812df6c8>] trusted_update+0x28/0x1e0
  [14180.808970] RSP: 0018:ffff880454005e18  EFLAGS: 00010286
  [14180.809661] RAX: ffffffff812df6a0 RBX: ffff88045553a600 RCX: 0000000000000004
  [14180.810362] RDX: 0000000000000000 RSI: ffff880454005e98 RDI: ffff88045553a600
  [14180.811049] RBP: ffff880454005e50 R08: 0000000000016980 R09: ffff8804704d6980
  [14180.811724] R10: ffffea0011559100 R11: ffffffff81388b44 R12: 0000000000000006
  [14180.812387] R13: ffff880457b5d740 R14: ffff880454005e98 R15: 0000000000000000
  [14180.813033] FS:  00007faf78341740(0000) GS:ffff8804704c0000(0000) knlGS:0000000000000000
  [14180.813676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [14180.814304] CR2: 0000000000000018 CR3: 0000000459a00000 CR4: 0000000000360770
  [14180.814935] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [14180.815551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [14180.816177] Stack:
  [14180.816769]  ffffffff812e408c ffff88045553a600 ffff88045553a600 ffff88045553a620
  [14180.817390]  ffff880457b5d740 ffff88045553a601 ffff880455966000 ffff880454005f00
  [14180.818006]  ffffffff812d761b 0000000000000286 0000000000000000 ffff880457b5d140
  [14180.818622] Call Trace:
  [14180.819232]  [<ffffffff812e408c>] ? security_key_permission+0x1c/0x20
  [14180.819847]  [<ffffffff812d761b>] key_create_or_update+0x27b/0x420
  [14180.820455]  [<ffffffff812d8e10>] SyS_add_key+0x110/0x210
  [14180.821059]  [<ffffffff81749770>] system_call_fastpath+0x1a/0x1f
  [14180.821658] Code: 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 f6 41 55 41 54 53 48 83 ec 10 4c 8b bf a0 00 00 00 48 89 7d d0 4c 8b 66 28 <41> 80 7f 18 00 0f 84 5d 01 00 00 49 8d 44 24 ff 48 3d fe 7f 00 
  [14180.823022] RIP  [<ffffffff812df6c8>] trusted_update+0x28/0x1e0
  [14180.823655]  RSP <ffff880454005e18>
  [14180.824286] CR2: 0000000000000018
  [14180.824914] ---[ end trace 4fc59232fdc581c8 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-151-generic 3.13.0-151.201
  ProcVersionSignature: User Name 3.13.0-151.201-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-151-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jun  6 08:22 seq
   crw-rw---- 1 root audio 116, 33 Jun  6 08:22 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDmesg:
   
  Date: Wed Jun  6 09:37:28 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: Dell Inc. PowerEdge R310
  PciMultimedia:
   
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-151-generic root=UUID=ded56b2d-3057-4d58-a1e5-422853291ffd ro
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-151-generic N/A
   linux-backports-modules-3.13.0-151-generic  N/A
   linux-firmware                              1.127.24
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/17/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.8.2
  dmi.board.name: 05XKKK
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A05
  dmi.chassis.type: 23
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.8.2:bd08/17/2011:svnDellInc.:pnPowerEdgeR310:pvr:rvnDellInc.:rn05XKKK:rvrA05:cvnDellInc.:ct23:cvr:
  dmi.product.name: PowerEdge R310
  dmi.sys.vendor: Dell Inc.

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