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[Jürg Häfliger <1862878@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1862878

Title:
  add_key01 from ubuntu_ltp_syscalls failed on Bionic s390x

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

Bug description:
  Issue found on s2lp3 s390x Ubuntu LPAR
  Test failed with:
    add_key01.c:77: FAIL: add_key call failed unexpectedly: ENOMEM (12)

  
  <<<test_start>>>
  tag=add_key01 stime=1581482840
  cmdline="add_key01"
  contacts=""
  analysis=exit
  <<<test_output>>>
  incrementing stop
  tst_buffers.c:55: INFO: Test is using guarded buffers
  tst_test.c:1217: INFO: Timeout per run is 0h 05m 00s
  add_key01.c:63: INFO: The key type is keyrings and plen is 0
  add_key01.c:79: PASS: add_key call succeeded as expected
  add_key01.c:63: INFO: the key type is keyrings and plen is 1
  add_key01.c:83: PASS: add_key call failed as expected: EINVAL (22)
  add_key01.c:63: INFO: The key type is user and plen is 32767
  add_key01.c:79: PASS: add_key call succeeded as expected
  add_key01.c:63: INFO: The key type is user and plen is 32768
  add_key01.c:83: PASS: add_key call failed as expected: EINVAL (22)
  add_key01.c:63: INFO: The key type is logon and plen is 32767
  add_key01.c:79: PASS: add_key call succeeded as expected
  add_key01.c:63: INFO: The key type is logon and plen is 32768
  add_key01.c:83: PASS: add_key call failed as expected: EINVAL (22)
  add_key01.c:63: INFO: The key type is big_key and plen is 1048575
  add_key01.c:77: FAIL: add_key call failed unexpectedly: ENOMEM (12)
  add_key01.c:63: INFO: The key type is big_key and plen is 1048576
  add_key01.c:83: PASS: add_key call failed as expected: EINVAL (22)

  Summary:
  passed   7
  failed   1
  skipped  0
  warnings 0
  <<<execution_status>>>
  initiation_status="ok"
  duration=0 termination_type=exited termination_id=1 corefile=no
  cutime=0 cstime=0
  <<<test_end>>>

  dmesg output:
  [  847.773454] BUG: non-zero pgtables_bytes on freeing mm: 16384
  [  847.773603] BUG: non-zero pgtables_bytes on freeing mm: 16384
  [  848.733118] LTP: starting add_key01
  [  848.736003] WARNING: CPU: 2 PID: 4833 at /build/linux-Vp68rX/linux-4.15.0/mm/page_alloc.c:4230 __alloc_pages_nodemask+0x28e/0xfe8
  [  848.736004] Modules linked in: xt_conntrack ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables aufs xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat xt_tcpudp bridge iptable_filter overlay openvswitch nsh nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack 8021q garp stp mrp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) dm_service_time zcommon(PO) znvpair(PO) spl(O) dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua qeth_l2 genwqe_card crc_itu_t chsc_sch eadm_sch qeth ctcm ccwgroup fsm vfio_ccw vfio_mdev mdev vfio_iommu_type1 vfio sch_fq_codel ib_iser rdma_cm nfsd iw_cm ib_cm auth_rpcgss iscsi_tcp libiscsi_tcp libiscsi nfs_acl lockd scsi_transport_iscsi grace sunrpc ip_tables x_tables
  [  848.736051]  btrfs zstd_compress zlib_deflate raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 linear mlx4_en mlx4_ib ib_core ptp pps_core crc32_vx_s390 ghash_s390 prng aes_s390 des_s390 des_generic sha512_s390 sha256_s390 sha1_s390 sha_common mlx4_core devlink zfcp qdio scsi_transport_fc dasd_eckd_mod dasd_mod
  [  848.736077] CPU: 2 PID: 4833 Comm: add_key01 Tainted: P           O     4.15.0-87-generic #87-Ubuntu
  [  848.736077] Hardware name: IBM 2964 N63 400 (LPAR)
  [  848.736079] Krnl PSW : 000000004532b723 000000000968d01f (__alloc_pages_nodemask+0x28e/0xfe8)
  [  848.736082]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3
  [  848.736083] Krnl GPRS: 0000000000000000 0000000000000001 00000000014040c0 0000000000000009
  [  848.736084]            0000000000000000 0000000000000000 00000000000fffff 0000000000000009
  [  848.736085]            000000000050663c 000000000010000f 00000000014000c0 00000000000fffff
  [  848.736086]            0000000000000000 0000000000943a68 00000003b436fc90 00000003b436fb00
  [  848.736094] Krnl Code: 00000000002e16b2: a7210200		tmll	%r2,512
                            00000000002e16b6: a774ff4a		brc	7,00000000002e154a
                           #00000000002e16ba: a7f40001		brc	15,00000000002e16bc
                           >00000000002e16be: a7f4ff46		brc	15,00000000002e154a
                            00000000002e16c2: a7080000		lhi	%r0,0
                            00000000002e16c6: a7f4ff08		brc	15,00000000002e14d6
                            00000000002e16ca: e31003380004	lg	%r1,824
                            00000000002e16d0: 5810101c		l	%r1,28(%r1)
  [  848.736106] Call Trace:
  [  848.736108] ([<00000003b436faf8>] 0x3b436faf8)
  [  848.736112]  [<000000000030e328>] kmalloc_order_trace+0x48/0x120 
  [  848.736116]  [<000000000050663c>] big_key_preparse+0x7c/0x210 
  [  848.736117]  [<00000000004fdf20>] key_create_or_update+0x120/0x470 
  [  848.736119]  [<00000000005002dc>] SyS_add_key+0xf4/0x220 
  [  848.736122]  [<00000000008fa788>] system_call+0xdc/0x2c8 
  [  848.736123] Last Breaking-Event-Address:
  [  848.736124]  [<00000000002e16ba>] __alloc_pages_nodemask+0x28a/0xfe8
  [  848.736125] ---[ end trace 15ff0cd6918f24ba ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-87-generic 4.15.0-87.87
  ProcVersionSignature: Ubuntu 4.15.0-87.87-generic 4.15.18
  Uname: Linux 4.15.0-87-generic s390x
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access '/dev/snd/': No such file or directory
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
  ApportVersion: 2.20.9-0ubuntu7.10
  Architecture: s390x
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Wed Feb 12 04:10:36 2020
  HibernationDevice: RESUME=UUID=e2735dd1-cbbc-4424-9c25-d37d073d9414
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  PciMultimedia:
   
  ProcFB: Error: [Errno 2] No such file or directory: '/proc/fb'
  ProcKernelCmdLine: root=UUID=38f7d570-2973-4055-b668-12a9ace1e0c7 crashkernel=196M audit=0 BOOT_IMAGE=0
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-87-generic N/A
   linux-backports-modules-4.15.0-87-generic  N/A
   linux-firmware                             1.173.15
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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