RHEL7.3: kernel panic at radix_tree_next_chunk+0x143 in kswapd

Issue

• kernel panic with logs:

[3858596.681177] BUG: unable to handle kernel paging request at 0000000000008228
[3858596.681190] IP: [<ffffffff8131d8d3>] radix_tree_next_chunk+0x143/0x240
[3858596.681202] PGD 0 
[3858596.681208] Oops: 0000 [#1] SMP 
[3858596.681217] Modules linked in: snd_seq_dummy xt_conntrack tun bridge stp llc ebtable_filter ebtables ip6table_filter ip
6_tables RedCastle(POE) nls_utf8 isofs loop bonding ipt_REJECT nf_reject_ipv4 iptable_filter ipt_MASQUERADE nf_nat_masquerad
e_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_CHECKSUM iptable_mangle snd_hda_codec
_hdmi intel_powerclamp coretemp intel_rapl iosf_mbi eeepc_wmi snd_hda_codec_generic asus_wmi sparse_keymap iTCO_wdt rfkill i
TCO_vendor_support kvm irqbypass snd_hda_intel crc32_pclmul snd_hda_codec snd_hda_core ghash_clmulni_intel snd_hwdep snd_seq
 aesni_intel snd_seq_device lrw gf128mul snd_pcm glue_helper ablk_helper cryptd snd_timer snd soundcore sg i2c_i801 shpchp p
cspkr acpi_pad nfsd auth_rpcgss nfs_acl binfmt_misc lockd grace sunrpc
[3858596.681413]  ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic mxm_wmi nvidia_drm(POE) nvidia_modeset(POE) nv
idia(POE) drm_kms_helper syscopyarea sysfillrect crct10dif_pclmul e1000e crct10dif_common sysimgblt ahci fb_sys_fops crc32c_intel libahci ptp drm serio_raw r8169 libata pps_core mii video i2c_hid i2c_core wmi fjes dm_mirror dm_region_hash dm_log dm_mod
[3858596.681518] CPU: 10 PID: 81 Comm: kswapd0 Tainted: P           OE  ------------   3.10.0-514.el7.x86_64 #1
[3858596.681528] Hardware name: System manufacturer System Product Name/PRIME Z370-A, BIOS 1002 07/02/2018
[3858596.681537] task: ffff88104e635e20 ti: ffff8810087d8000 task.ti: ffff8810087d8000
[3858596.681637] RIP: 0010:[<ffffffff8131d8d3>]  [<ffffffff8131d8d3>] radix_tree_next_chunk+0x143/0x240
[3858596.681861] RSP: 0018:ffff8810087db970  EFLAGS: 00010246
[3858596.681987] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
[3858596.682180] RDX: 0000000000008200 RSI: ffff8810087db9b8 RDI: 0000000000000006
[3858596.682402] RBP: ffff8810087db998 R08: 0000000000000000 R09: 000000000000c000
[3858596.682595] R10: 0000000000000000 R11: 0000000000000220 R12: 0000000000000040
[3858596.682788] R13: 0000000000000000 R14: 000000000000000c R15: ffff88054bccb478
[3858596.683009] FS:  0000000000000000(0000) GS:ffff88100e480000(0000) knlGS:0000000000000000
[3858596.683230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[3858596.683330] CR2: 0000000000008228 CR3: 00000000019ba000 CR4: 00000000003407e0
[3858596.683552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[3858596.683745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[3858596.683965] Stack:
[3858596.684062]  ffff880160537a10 ffff8810087dba48 000000000000000d 000000000000000e
[3858596.684264]  ffff8810087dbac8 ffff8810087dba00 ffffffff81183405 ffffffff8131e380
[3858596.684477]  00000000000043a6 00000000000043bf 00000000000043c0 ffff8810087dba18
[3858596.684691] Call Trace:
[3858596.684821]  [<ffffffff81183405>] __find_get_pages+0x105/0x170
[3858596.684949]  [<ffffffff8131e380>] ? __radix_tree_delete_node+0x50/0x140
[3858596.685078]  [<ffffffff8118ff2e>] __pagevec_lookup+0x1e/0x30
[3858596.685178]  [<ffffffff81190990>] truncate_inode_pages_range+0x150/0x740
[3858596.685279]  [<ffffffff81190ffe>] truncate_inode_pages_final+0x5e/0x90
[3858596.685393]  [<ffffffffa0efb2c9>] xfs_fs_evict_inode+0x29/0xe0 [xfs]
[3858596.685495]  [<ffffffff8121a0e7>] evict+0xa7/0x170
[3858596.685621]  [<ffffffff8121a1ee>] dispose_list+0x3e/0x50
[3858596.685721]  [<ffffffff8121b133>] prune_icache_sb+0x163/0x320
[3858596.685821]  [<ffffffff81200863>] prune_super+0x143/0x170
[3858596.685948]  [<ffffffff811940b3>] shrink_slab+0x163/0x330
[3858596.686049]  [<ffffffff811f5267>] ? vmpressure+0x87/0x90
[3858596.686176]  [<ffffffff81197ea1>] balance_pgdat+0x4b1/0x5e0
[3858596.686275]  [<ffffffff81198143>] kswapd+0x173/0x450
[3858596.686376]  [<ffffffff810b1600>] ? wake_up_atomic_t+0x30/0x30
[3858596.686502]  [<ffffffff81197fd0>] ? balance_pgdat+0x5e0/0x5e0
[3858596.686602]  [<ffffffff810b052f>] kthread+0xcf/0xe0
[3858596.686743]  [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140
[3858596.686845]  [<ffffffff81696418>] ret_from_fork+0x58/0x90
[3858596.686959]  [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140
[3858596.687060] Code: 00 00 48 83 c0 04 48 8b 54 c2 08 48 85 d2 0f 84 54 ff ff ff 83 ef 06 4c 89 c8 89 f9 48 d3 e8 83 e0 3f 45 85 d2 0f 85 5d ff ff ff <48> 83 7c c2 28 00 41 0f 94 c0 e9 5c ff ff ff 66 0f 1f 44 00 00 
[3858596.687515] RIP  [<ffffffff8131d8d3>] radix_tree_next_chunk+0x143/0x240
[3858596.687618]  RSP <ffff8810087db970>
[3858596.687729] CR2: 0000000000008228