RHEL7 : Kernel panic at memmove+0x4a/0x1a0.

Issue

• System crashed with below error messages:

[691660.003137] PGD 7f845067 PUD 7f846067 PMD 36333067 PTE 0
[691660.003142] Oops: 0002 [#1] SMP 
[691660.003146] Modules linked in: nls_utf8 isofs tcp_lp fuse btrfs zlib_deflate raid6_pq xor vfat msdos fat ext4 mbcache jbd2 ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables sg coretemp crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ppdev vmw_balloon aesni_intel lrw gf128mul glue_helper ablk_helper cryptd e1000 serio_raw pcspkr parport_pc parport i2c_piix4 vmw_vmci shpchp mperf nfsd auth_rpcgss nfs_acl lockd uinput sunrpc binfmt_misc xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod crc_t10dif crct10dif_common vmwgfx ata_piix ttm drm mptspi scsi_transport_spi libata mptscsih mptbase i2c_core floppy
[691660.003203]  dm_mirror dm_region_hash dm_log dm_mod
[691660.003213] CPU: 0 PID: 11126 Comm: ticerr64 Not tainted 3.10.0-123.el7.x86_64 #1
[691660.003216] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 06/22/2012
[691660.003219] task: ffff88000c306660 ti: ffff88003fc84000 task.ti: ffff88003fc84000
[691660.003221] RIP: 0010:[<ffffffff812c655a>]  [<ffffffff812c655a>] memmove+0x4a/0x1a0
[691660.003226] RSP: 0018:ffff88003fc85a40  EFLAGS: 00010206
[691660.003228] RAX: ffffc9001109f000 RBX: ffffc9001109f064 RCX: ffffc9001109f000
[691660.003230] RDX: 0000000000000024 RSI: ffffc9001109efbc RDI: ffffc9001109f000
[691660.003232] RBP: ffff88003fc85ab0 R08: 69622d6c6f72746e R09: 6f63657369757263
[691660.003253] R10: 2f63637376632f65 R11: 74722f656d6f682f R12: 00000000ffffff9c
[691660.003256] R13: 0000000000000064 R14: ffffc9001109e3b8 R15: ffff88004c0b5360
[691660.003258] FS:  00007f2076ca7740(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
[691660.003260] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[691660.003262] CR2: ffffc9001109f000 CR3: 000000007a1c6000 CR4: 00000000000007f0
[691660.003440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[691660.003457] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[691660.003459] Stack:
[691660.003461]  ffffffff81205c5e 0000100081099f65 ffffc9001109e5b0 ffff88003fc85b58
[691660.003465]  ffff88000c306660 00000000000005b0 ffff8800000005b0 ffffc9001109e000
[691660.003469]  ffff880000000026 ffff88000c306660 ffff88003fc85ce8 0000000000000000
[691660.003472] Call Trace:
[691660.003490]  [<ffffffff81205c5e>] ? fill_note_info.isra.8+0x65e/0x830
[691660.003495]  [<ffffffff81205f0e>] elf_core_dump+0xde/0x950
[691660.003517]  [<ffffffff815e6cc5>] ? __schedule+0x2c5/0x790
[691660.003522]  [<ffffffff815e71b9>] ? schedule+0x29/0x70
[691660.003526]  [<ffffffff815e50b9>] ? schedule_timeout+0x209/0x2d0
[691660.003530]  [<ffffffff8120c2f2>] do_coredump+0x882/0xb10
[691660.003548]  [<ffffffff81070a53>] ? __sigqueue_free.part.11+0x33/0x40
[691660.003552]  [<ffffffff8107116c>] ? __dequeue_signal+0x13c/0x220
[691660.003557]  [<ffffffff81073ff7>] get_signal_to_deliver+0x1c7/0x6e0
[691660.003570]  [<ffffffff81012437>] do_signal+0x57/0x600
[691660.003578]  [<ffffffff811f1d01>] ? fsnotify+0x251/0x350
[691660.003585]  [<ffffffff811b2331>] ? __sb_end_write+0x31/0x60
[691660.003589]  [<ffffffff81012a49>] do_notify_resume+0x69/0xb0
[691660.003597]  [<ffffffff815e95bc>] retint_signal+0x48/0x8c
[691660.003600] Code: 00 00 48 81 fa a8 02 00 00 72 05 40 38 fe 74 41 48 83 ea 20 48 83 ea 20 4c 8b 1e 4c 8b 56 08 4c 8b 4e 10 4c 8b 46 18 48 8d 76 20 <4c> 89 1f 4c 89 57 08 4c 89 4f 10 4c 89 47 18 48 8d 7f 20 73 d4 
[691660.003630] RIP  [<ffffffff812c655a>] memmove+0x4a/0x1a0
[691660.003634]  RSP <ffff88003fc85a40>
[691660.003635] CR2: ffffc9001109f000