[LU-6290] sanity-lfsck test_14: unable to handle kernel NULL pointer dereference at 0000000000000010 13:56:17:IP: [<ffffffffa108678e>] osp_declare_object_create+0x12e/0x640 [osp]

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.8.0
• Labels: dne2
• Severity: 3
• Assignee: Di Wang
• Reporter: Maloo

Description

This issue was created by maloo for wangdi <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/c8f9fbe0-bd30-11e4-9115-5254006e85c2.

The sub-test test_14 failed with the following error:

(7) unexpected status
13:56:17:BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
13:56:17:IP: [<ffffffffa108678e>] osp_declare_object_create+0x12e/0x640 [osp]
13:56:17:PGD 0 
13:56:17:Oops: 0000 [#1] SMP 
13:56:17:last sysfs file: /sys/devices/system/cpu/online
13:56:17:CPU 1 
13:56:17:Modules linked in: osp(U) mdd(U) lod(U) mdt(U) lfsck(U) mgs(U) mgc(U) osd_ldiskfs(U) lquota(U) lustre(U) lov(U) mdc(U) fid(U) lmv(U) fld(U) ksocklnd(U) ptlrpc(U) obdclass(U) lnet(U) sha512_generic libcfs(U) ldiskfs(U) jbd2 nfsd exportfs nfs lockd fscache auth_rpcgss nfs_acl sunrpc ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 microcode virtio_balloon 8139too 8139cp mii i2c_piix4 i2c_core ext3 jbd mbcache virtio_blk virtio_pci virtio_ring virtio pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: speedstep_lib]
13:56:17:
13:56:17:Pid: 7210, comm: lfsck_layout Not tainted 2.6.32-504.8.1.el6_lustre.g0ef66b1.x86_64 #1 Red Hat KVM
13:56:17:RIP: 0010:[<ffffffffa108678e>]  [<ffffffffa108678e>] osp_declare_object_create+0x12e/0x640 [osp]
13:56:17:RSP: 0018:ffff88007ccdfae0  EFLAGS: 00010286
13:56:17:RAX: 0000000000000001 RBX: ffff88006b49a0d0 RCX: 0000000000000000
13:56:17:RDX: ffffffffa109f099 RSI: 0000000000000000 RDI: ffff88007d466440
13:56:17:RBP: ffff88007ccdfb40 R08: ffff88006b49a080 R09: 0a64657265746e65
13:56:17:R10: 20737365636f7250 R11: 0a64657265746e65 R12: ffff88006a9b0400
13:56:17:R13: ffff8800676d8800 R14: 0000000000000000 R15: ffff88006b49a080
13:56:17:FS:  0000000000000000(0000) GS:ffff880002300000(0000) knlGS:0000000000000000
13:56:17:CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
13:56:17:CR2: 0000000000000010 CR3: 000000007cda3000 CR4: 00000000000006e0
13:56:17:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
13:56:17:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
13:56:17:Process lfsck_layout (pid: 7210, threadinfo ffff88007ccde000, task ffff88007b995500)
13:56:17:Stack:
13:56:17: ffff88007ccdfb40 ffff88006b49a080 ffff88007d1299e0 0000000000000000
13:56:17:<d> ffff88007d1298f0 ffff8800656c3140 0000000000000010 ffff88006b49a0d0
13:56:17:<d> ffff8800656c3140 ffff88007d1298f0 0000000000000000 ffff88007d1299e0
13:56:17:Call Trace:
13:56:17: [<ffffffffa0e35821>] dt_declare_create+0xa1/0x140 [lfsck]
13:56:17: [<ffffffffa0e3b927>] lfsck_layout_repair_dangling+0x397/0x6b0 [lfsck]
13:56:17: [<ffffffffa04a21c1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
13:56:17: [<ffffffffa049c818>] ? libcfs_log_return+0x28/0x40 [libcfs]
13:56:17: [<ffffffffa0e4e1e8>] lfsck_layout_assistant_handler_p1+0xd68/0x1ad0 [lfsck]
13:56:17: [<ffffffffa04a7452>] ? cfs_hash_bd_from_key+0x42/0xd0 [libcfs]
13:56:17: [<ffffffffa0e126e6>] lfsck_assistant_engine+0x496/0x1de0 [lfsck]
13:56:17: [<ffffffff8105e0d0>] ? __dequeue_entity+0x30/0x50
13:56:17: [<ffffffff81064b90>] ? default_wake_function+0x0/0x20
13:56:17: [<ffffffffa0e12250>] ? lfsck_assistant_engine+0x0/0x1de0 [lfsck]
13:56:17: [<ffffffff8109e66e>] kthread+0x9e/0xc0
13:56:17: [<ffffffff8100c20a>] child_rip+0xa/0x20
13:56:17: [<ffffffff8109e5d0>] ? kthread+0x0/0xc0
13:56:17: [<ffffffff8100c200>] ? child_rip+0x0/0x20
13:56:17:Code: f0 09 a1 c7 05 c4 bf 02 00 50 05 00 00 48 c7 05 c5 bf 02 00 00 00 00 00 c7 05 b3 bf 02 00 01 00 00 00 e8 f6 b9 41 ff 4c 8b 45 a8 <49> 83 7e 10 00 0f 84 d7 01 00 00 48 8b 05 00 d2 45 ff 48 85 c0 
13:56:17:RIP  [<ffffffffa108678e>] osp_declare_object_create+0x12e/0x640 [osp]

Please provide additional information about the failure here.

Info required for matching: sanity-lfsck 14

Issue Links

• is related to: LU-3534 async update cross-MDTs