[LU-1858] sanity test 26b: Oops __inet_lookup_established+0x1c5/0x2a0

Mon, 29 May 2017 05:13:54 +0000

CMD: ./auster -rvs sanity

Lustre: DEBUG MARKER: == sanity test 26b: multiple component symlink at end of lookup ======== 07:25:55 (1347027955)
Lustre: DEBUG MARKER: lctl set_param -n fail_loc=0 2>/dev/null || true
BUG: unable to handle kernel NULL pointer dereference at 0000000000000014
IP: [<ffffffff81479fd5>] __inet_lookup_established+0x1c5/0x2a0
PGD 722f0067 PUD 723f6067 PMD 0
Oops: 0000 1 SMP
last sysfs file: /sys/devices/system/cpu/possible
CPU 0
Modules linked in: lustre(U) ofd(U) ost(U) cmm(U) mdt(U) osd_ldiskfs(U) fsfilt_ldiskfs(U) ldiskfs(U) mdd(U) mds(U) mgs(U) jbd2 obdecho(U) mgc(U) lquota(U) lov(U) osc(U) mdc(U) lmv(U) fid(U) fld(U) ptlrpc(U) obdclass(U) lvfs(U) ksocklnd(U) lnet(U) sha512_generic sha256_generic libcfs(U) nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 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: speedstep_lib]

Pid: 0, comm: swapper Tainted: P --------------- 2.6.32-279.5.1.el6_lustre.g293c36b.x86_64 #1 Red Hat KVM
RIP: 0010:[<ffffffff81479fd5>] [<ffffffff81479fd5>] __inet_lookup_established+0x1c5/0x2a0
RSP: 0018:ffff880002203b80 EFLAGS: 00010246
RAX: ffff8800745dad00 RBX: ffffffff8200cec0 RCX: ffff8800745dad00
RDX: ffffc90000405b68 RSI: ffffffff8200f780 RDI: 0000000000000000
RBP: ffff880002203bc0 R08: 000000007f78c658 R09: 000000000202fb03
R10: 0000000000000002 R11: 0000000000000003 R12: d1040a0ace040a0a
R13: 0000000000000002 R14: 000000004b3076b6 R15: 00000000000076b6
FS: 0000000000000000(0000) GS:ffff880002200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000014 CR3: 000000007236f000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process swapper (pid: 0, threadinfo ffffffff81a00000, task ffffffff81a8d020)
Stack:
ffff880002203bb0 ffffffff814344ed ffff880072947ec0 ffff88007b22d780
<d> ffffffff8200cec0 0000000000000000 ffff88007b231844 ffff88007b231830
<d> ffff880002203c40 ffffffff814936fe ffff880000000002 0000000000000000
Call Trace:
<IRQ>
[<ffffffff814344ed>] ? __skb_checksum_complete_head+0x1d/0x70
[<ffffffff814936fe>] tcp_v4_rcv+0x1ce/0x8d0
[<ffffffff8147174d>] ip_local_deliver_finish+0xdd/0x2d0
[<ffffffff814719d8>] ip_local_deliver+0x98/0xa0
[<ffffffff81470e9d>] ip_rcv_finish+0x12d/0x440
[<ffffffff8103876c>] ? kvm_clock_read+0x1c/0x20
[<ffffffff81471425>] ip_rcv+0x275/0x350
[<ffffffff8143ac2b>] __netif_receive_skb+0x49b/0x6f0
[<ffffffff8143cea8>] netif_receive_skb+0x58/0x60
[<ffffffffa0109f68>] cp_rx_poll+0x3b8/0x4f0 [8139cp]
[<ffffffff81012a80>] ? nommu_map_page+0x0/0xc0
[<ffffffff8143f603>] net_rx_action+0x103/0x2f0
[<ffffffff81073ec1>] __do_softirq+0xc1/0x1e0
[<ffffffff8100c24c>] call_softirq+0x1c/0x30
[<ffffffff8100de85>] do_softirq+0x65/0xa0
[<ffffffff81073ca5>] irq_exit+0x85/0x90
[<ffffffff81505f65>] do_IRQ+0x75/0xf0
[<ffffffff8100ba53>] ret_from_intr+0x0/0x11
<EOI>
[<ffffffff810387cb>] ? native_safe_halt+0xb/0x10
[<ffffffff810149cd>] default_idle+0x4d/0xb0
[<ffffffff81009e06>] cpu_idle+0xb6/0x110
[<ffffffff814e47aa>] rest_init+0x7a/0x80
[<ffffffff81c21f7b>] start_kernel+0x424/0x430
[<ffffffff81c2133a>] x86_64_start_reservations+0x125/0x129
[<ffffffff81c21438>] x86_64_start_kernel+0xfa/0x109
Code: 08 0f 1f 44 00 00 48 8b 3a 40 f6 c7 01 48 89 f8 74 19 e9 b2 00 00 00 0f 1f 80 00 00 00 00 48 8b 3f 40 f6 c7 01 0f 85 9b 00 00 00 <44> 39 77 14 48 89 f9 75 ea 48 3b 5f 38 75 e4 4c 39 67 48 75 de
RIP [<ffffffff81479fd5>] __inet_lookup_established+0x1c5/0x2a0
RSP <ffff880002203b80>
CR2: 0000000000000014
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu

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[LU-1858] sanity test 26b: Oops __inet_lookup_established+0x1c5/0x2a0