[LU-5277] sanity test_132: mdt_build_target_list(), unable to handle kernel NULL pointer dereference

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/7d27f33c-f672-11e3-b715-5254006e85c2.

03:45:20:BUG: unable to handle kernel NULL pointer dereference at 0000000000000030
03:45:20:IP: [<ffffffffa108b30b>] mdt_build_target_list+0xfb/0x6a0 [mdt]
03:45:20:PGD 0 
03:45:20:Oops: 0000 [#1] SMP 
03:45:20:last sysfs file: /sys/devices/system/cpu/online
03:45:20:CPU 1 
03:45:20:Modules linked in: osp(U) lod(U) mdt(U) mdd(U) mgs(U) mgc(U) osd_zfs(U) lquota(U) lustre(U) lov(U) osc(U) mdc(U) fid(U) fld(U) ptlrpc(U) obdclass(U) ksocklnd(U) scollective(U) gossip(U) lnet(U) lvfs(U) sha512_generic sha256_generic libcfs(U) nfsd exportfs autofs4 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_addr ipv6 ib_sa ib_mad ib_core zfs(P)(U) zcommon(P)(U) znvpair(P)(U) zavl(P)(U) zunicode(P)(U) spl(U) zlib_deflate 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: llog_test]
03:45:20:
03:45:20:Pid: 16913, comm: mdt00_001 Tainted: P           ---------------    2.6.32-358.6.2.el6_lustre.g1624f5c.x86_64 #1 Red Hat KVM
03:45:20:RIP: 0010:[<ffffffffa108b30b>]  [<ffffffffa108b30b>] mdt_build_target_list+0xfb/0x6a0 [mdt]
03:45:20:RSP: 0018:ffff88006e32bba0  EFLAGS: 00010246
03:45:20:RAX: ffff88006c779ba0 RBX: ffff88002ea7a5c0 RCX: fffffffffffffffe
03:45:20:RDX: 0000000000000000 RSI: ffff88006c779b18 RDI: ffff88002ea7a5c0
03:45:20:RBP: ffff88006e32bc00 R08: ffff880048a91720 R09: 0000000000000000
03:45:20:R10: ffff88002d578800 R11: 0000000000000418 R12: 0000000000000000
03:45:20:R13: d4f7928dd528ca79 R14: ffff88006c779b18 R15: ffff88002dd6b000
03:45:20:FS:  00007f7d60754700(0000) GS:ffff880002300000(0000) knlGS:0000000000000000
03:45:20:CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
03:45:20:CR2: 0000000000000030 CR3: 0000000001a85000 CR4: 00000000000006e0
03:45:20:DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
03:45:20:DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
03:45:20:Process mdt00_001 (pid: 16913, threadinfo ffff88006e32a000, task ffff88007005f500)
03:45:20:Stack:
03:45:20: ffff88006e32bbd0 0000000000000000 ffff88006e32bc18 ffffffffa1089e50
03:45:20:<d> ffffffffffffffff ffff88002dd6b000 ffff88006e32bc00 ffff88004b9d17d8
03:45:20:<d> ffff88002dd6b378 d4f7928dd528ca79 ffff88002dd6b000 0000000000000000
03:45:20:Call Trace:
03:45:20: [<ffffffffa1089e50>] ? mdt_corpc_add_shard+0x0/0x5d0 [mdt]
03:45:20: [<ffffffffa108ef76>] mdt_corpc_release_epochs+0x136/0x6c0 [mdt]
03:45:20: [<ffffffffa108f5fb>] mdt_container_close+0xfb/0x200 [mdt]
03:45:20: [<ffffffffa106e0de>] mdt_mfd_close+0x2de/0x700 [mdt]
03:45:20: [<ffffffffa106e9e2>] mdt_done_writing+0x4e2/0xd50 [mdt]
03:45:20: [<ffffffffa103df0d>] ? mdt_unpack_req_pack_rep+0x4d/0x4d0 [mdt]
03:45:20: [<ffffffffa0983d9c>] ? lustre_msg_get_version+0x8c/0x100 [ptlrpc]
03:45:20: [<ffffffffa1047b98>] mdt_handle_common+0x648/0x1690 [mdt]
03:45:20: [<ffffffffa10818f5>] mds_regular_handle+0x15/0x20 [mdt]
03:45:20: [<ffffffffa0993558>] ptlrpc_server_handle_request+0x398/0xc60 [ptlrpc]
03:45:20: [<ffffffffa05e65de>] ? cfs_timer_arm+0xe/0x10 [libcfs]
03:45:20: [<ffffffffa05f8c5f>] ? lc_watchdog_touch+0x6f/0x170 [libcfs]
03:45:20: [<ffffffffa098a8b9>] ? ptlrpc_wait_event+0xa9/0x290 [ptlrpc]
03:45:20: [<ffffffff81055ab3>] ? __wake_up+0x53/0x70
03:45:20: [<ffffffffa09948ee>] ptlrpc_main+0xace/0x1710 [ptlrpc]
03:45:20: [<ffffffffa0993e20>] ? ptlrpc_main+0x0/0x1710 [ptlrpc]
03:45:20: [<ffffffff8100c0ca>] child_rip+0xa/0x20
03:45:20: [<ffffffffa0993e20>] ? ptlrpc_main+0x0/0x1710 [ptlrpc]
03:45:20: [<ffffffffa0993e20>] ? ptlrpc_main+0x0/0x1710 [ptlrpc]
03:45:20: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20

The sub-test test_132 failed with the following error:

test failed to respond and timed out

Info required for matching: sanity 132

Issue Links

• is related to: LU-4968 Test failure sanity test_132: umount /mnt/ost2
• is related to: LU-5242 Test hang sanity test_132, test_133: umount ost