Kernel panic in hugetlb_cow()

Issue

• Kernel panic with following call traces.

[12372.595965] kernel BUG at mm/hugetlb.c:2500!
[12372.600841] invalid opcode: 0000 [#1] SMP 
[12372.605551] last sysfs file: /sys/devices/virtual/net/bond0/bonding/slaves
[12372.613332] CPU 5 
[12372.615388] Modules linked in: nfs lockd fscache auth_rpcgss nfs_acl sunrpc autofs4 bonding 8021q garp stp llc ipv6 ext3 jbd usb_storage cdc_ether usbnet mii microcode onload(U) sfc_char(U) sfc_resource(U) sfc_affinity(U) sfc_tune(U) sfc(U) i2c_algo_bit ptp pps_core mdio i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support shpchp ioatdma dca ses enclosure sg be2net(U) mlx4_en(U) mlx4_core(U) ext4 jbd2 mbcache sd_mod crc_t10dif wmi megaraid_sas(U) dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
[12372.667886] 
[12372.669653] Pid: 32565, comm: lbm:sessioncont Not tainted 2.6.32-358.18.1.el6.x86_64 #1 IBM System x3750 M4 -[8722PCV]-/00D1471
[12372.682728] RIP: 0010:[<ffffffff8115c755>]  [<ffffffff8115c755>] hugetlb_cow+0x445/0x460
[12372.691982] RSP: 0000:ffff88103ee7bc28  EFLAGS: 00210202
[12372.698019] RAX: 0000000000000002 RBX: ffff880c65e5a700 RCX: ffff880c65e5a750
[12372.706095] RDX: ffff880c65e5a750 RSI: ffff88103ee7bbe8 RDI: ffff88103ee7bc78
[12372.714171] RBP: ffff88103ee7bce8 R08: ffffea00715b6028 R09: 0000000000000000
[12372.722249] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff81fb77c0
[12372.730328] R13: 0000000000000000 R14: ffffea00715b6000 R15: ffff882056b6cb80
[12372.738404] FS:  00007fe0701bc700(0000) GS:ffff880028340000(0000) knlGS:0000000000000000
[12372.747647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[12372.754171] CR2: 00002aaaab342b28 CR3: 0000001c5b98e000 CR4: 00000000000407a0
[12372.762247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[12372.770325] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[12372.778405] Process lbm:sessioncont (pid: 32565, threadinfo ffff88103ee7a000, task ffff880d981fb540)
[12372.788810] Stack:
[12372.791154]  ffff88103bec9178 ffff883cff7dd918 ffff88103bec91b8 ffffffff81fb77c0
[12372.799374] <d> 00002aaaab200000 ffff880d59c74ac8 0000000128356700 00000020634000e5
[12372.808202] <d> ffff882056b6cc08 00002aaaab342b28 ffff880c65e5a750 0000000000000200
[12372.817322] Call Trace:
[12372.820158]  [<ffffffff8115d469>] hugetlb_fault+0x4c9/0x650
[12372.826489]  [<ffffffff81096da0>] ? autoremove_wake_function+0x0/0x40
[12372.833792]  [<ffffffff811445c2>] handle_mm_fault+0x302/0x310
[12372.840318]  [<ffffffff81146ec0>] ? find_vma+0x60/0x80
[12372.846167]  [<ffffffff810474e9>] __do_page_fault+0x139/0x480
[12372.852691]  [<ffffffff81437d6b>] ? sys_recvfrom+0x16b/0x180
[12372.859120]  [<ffffffff81513b6e>] do_page_fault+0x3e/0xa0
[12372.865255]  [<ffffffff81510f25>] page_fault+0x25/0x30
[12372.871101] Code: f8 ff ff 48 8b 85 48 ff ff ff eb 9d 48 89 d8 eb 98 0f 0b eb fe 48 8b 7d 80 49 89 c5 e8 b5 42 3b 00 44 89 e8 f7 d8 e9 8e fd ff ff <0f> 0b eb fe 49 8b 46 10 e9 d8 fd ff ff 66 66 66 66 66 2e 0f 1f 
[12372.893493] RIP  [<ffffffff8115c755>] hugetlb_cow+0x445/0x460
[12372.900033]  RSP <ffff88103ee7bc28>