The system crashes with a error "BUG: unable to handle kernel NULL pointer dereference at 0000000000000022"

Solution Verified - Updated -

Issue

  • The system crashes with a error "[2507461.692785] BUG: unable to handle kernel NULL pointer dereference at 0000000000000022"
[2507461.692785] BUG: unable to handle kernel NULL pointer dereference at 0000000000000022
[2507462.080875] IP: [<ffffffff8129dbc5>] memcpy+0x5/0x120
[2507462.333909] PGD 0 
[2507462.439407] Oops: 0000 [#1] SMP 
[2507462.603881] last sysfs file: /sys/devices/system/cpu/online
[2507462.878593] CPU 2 
[2507462.975636] Modules linked in: ipmi_watchdog ipmi_devintf mlx4_core nfs lockd fscache auth_rpcgss nfs_acl sunrpc mptctl mptbase autofs4 8021q garp stp llc bonding microcode iTCO_wdt iTCO_vendor_support serio_raw power_meter acpi_ipmi ipmi_si ipmi_msghandler sb_edac edac_core i2c_i801 i2c_core lpc_ich mfd_core hpilo hpwdt ioatdma sg ext4 jbd2 mbcache sd_mod crc_t10dif tg3 xhci_hcd ixgbe dca ptp pps_core crc32c_intel be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 cxgb3 mdio libiscsi_tcp libiscsi hpsa wmi scsi_transport_iscsi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: mlx4_en]
[2507465.627024] 
[2507465.707194] Pid: 11, comm: migration/2 Tainted: G        W  -- ------------    2.6.32-573.22.1.el6.x86_64 #1 HP ProLiant DL380 Gen9/ProLiant DL380 Gen9
[2507466.376676] RIP: 0010:[<ffffffff8129dbc5>]  [<ffffffff8129dbc5>] memcpy+0x5/0x120
[2507466.750001] RSP: 0018:ffff884027a1ba90  EFLAGS: 00010206
[2507467.017041] RAX: ffff883f516bf822 RBX: ffff8840214c26e0 RCX: 0000000000000062
[2507467.373165] RDX: 0000000000000062 RSI: 0000000000000022 RDI: ffff883f516bf822
[2507467.729520] RBP: ffff884027a1bb58 R08: 0000000000000000 R09: 0000000000000000
[2507468.086294] R10: 0000000000000218 R11: 000000000000000d R12: ffff8840214c2ee0
[2507468.438475] R13: ffff88401f409040 R14: ffff88111f04e380 R15: 0000000000000482
[2507468.794446] FS:  0000000000000000(0000) GS:ffff880192b00000(0000) knlGS:0000000000000000
[2507469.188805] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[2507469.476853] CR2: 0000000000000022 CR3: 0000000001a8d000 CR4: 00000000001407e0
[2507469.832814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[2507470.189041] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[2507470.544957] Process migration/2 (pid: 11, threadinfo ffff884027a18000, task ffff884027a0e040)
[2507470.964077] Stack:
[2507471.070066]  ffffffffa0250649 ffff884027a1bac8 0000000000000286 ffff8840214c2fb8
[2507471.425740] <d> 0000000000000000 0000004015e7a022 00000001224d1f80 0000000000000062
[2507471.806798] <d> 0000000000000000 0000006227a1bb78 0000000000000000 0000048600000040
[2507472.195303] Call Trace:
[2507472.321832]  [<ffffffffa0250649>] ? tg3_poll_work+0xa29/0xfb0 [tg3]
[2507472.633919]  [<ffffffffa0250c1f>] tg3_poll_msix+0x4f/0x160 [tg3]
[2507472.933396]  [<ffffffff81470f93>] net_rx_action+0x103/0x2f0
[2507473.211846]  [<ffffffff81080361>] __do_softirq+0xc1/0x1e0
[2507473.482198]  [<ffffffff810b322f>] ? tick_program_event+0x2f/0x40
[2507473.781604]  [<ffffffff8100c38c>] call_softirq+0x1c/0x30
[2507474.047850]  [<ffffffff8100fc25>] do_softirq+0x65/0xa0
[2507474.305104]  [<ffffffff81080215>] irq_exit+0x85/0x90
[2507474.553941]  [<ffffffff815435ba>] smp_apic_timer_interrupt+0x4a/0x60
[2507474.870252]  [<ffffffff8100bc13>] apic_timer_interrupt+0x13/0x20
[2507475.170080]  [<ffffffff810633df>] ? finish_task_switch+0x4f/0xf0
[2507475.469712]  [<ffffffff8153933e>] ? thread_return+0x4e/0x7d0
[2507475.752237]  [<ffffffff8106fe64>] ? enqueue_task_fair+0x64/0x100
[2507476.051961]  [<ffffffff8106f135>] ? migration_thread+0x265/0x2e0
[2507476.351418]  [<ffffffff8106eed0>] ? migration_thread+0x0/0x2e0
[2507476.643268]  [<ffffffff810a138e>] ? kthread+0x9e/0xc0
[2507476.896192]  [<ffffffff8100c28a>] ? child_rip+0xa/0x20
[2507477.153681]  [<ffffffff810a12f0>] ? kthread+0x0/0xc0
[2507477.402446]  [<ffffffff8100c280>] ? child_rip+0x0/0x20
[2507477.659874] Code: 95 40 4f 83 fa 01 49 89 70 50 19 c0 49 89 70 58 41 c6 40 4c 04 83 e0 fc 83 c0 08 41 88 40 4d c9 c3 90 90 90 90 90 48 89 f8 89 d1 <f3> a4 c3 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 20 48 83 ea 20 4c 8b 
[2507478.580807] RIP  [<ffffffff8129dbc5>] memcpy+0x5/0x120
[2507478.838121]  RSP <ffff884027a1ba90>
[2507479.015301] CR2: 0000000000000022

Environment

  • Red Hat Enterprise Linux 6 (kernel-2.6.32-573.22.1.el6.x86_64)
  • Red Hat Enterprise Linux 7

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