RHEL7: Kernel crashed at sctp_generate_proto_unreach_event.

Issue

• Kernel panic occurs with following log:

[33741212.419479] general protection fault: 0000 [#1] SMP 
[33741212.421213] Modules linked in: tcp_lp fuse ip_vs binfmt_misc sctp xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 tun bridge stp llc ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter scsi_transport_iscsi bonding dm_mirror dm_region_hash dm_log dm_mod skx_edac edac_core intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass vfat fat crc32_pclmul ghash_clmulni_intel aesni_intel lrw nls_utf8 gf128mul glue_helper ablk_helper cryptd isofs loop joydev pcspkr ses enclosure hpilo hpwdt sg shpchp mei_me mei lpc_ich ipmi_si wmi ipmi_devintf ipmi_msghandler acpi_power_meter nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
[33741212.429965]  jbd2 sd_mod crc_t10dif crct10dif_generic sr_mod cdrom mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm crct10dif_pclmul crct10dif_common crc32c_intel drm ahci libahci libata tg3 uas i40e(OE) smartpqi(OE) usb_storage scsi_transport_sas i2c_core ptp pps_core
[33741212.433520] CPU: 75 PID: 43676 Comm: SMCI Tainted: G           OE  ------------   3.10.0-693.17.1.el7.x86_64 #1
[33741212.435293] Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 06/20/2018
[33741212.437062] task: ffff88107a5d0fd0 ti: ffff88005ae38000 task.ti: ffff88005ae38000
[33741212.438838] RIP: 0010:[<ffffffffc058beb0>]  [<ffffffffc058beb0>] sctp_generate_proto_unreach_event+0x20/0xf0 [sctp]
[33741212.440638] RSP: 0018:ffff881fff2c3de8  EFLAGS: 00010286
[33741212.442419] RAX: ffff88005ae3bfd8 RBX: 2801000000000000 RCX: ffff88001c591e08
[33741212.444199] RDX: ffff88001c591c00 RSI: ffffffffc058be90 RDI: ffff88001c591c00
[33741212.445973] RBP: ffff881fff2c3e20 R08: 00782798e4b729c0 R09: ffff8810a8fcc000
[33741212.447751] R10: 0000000000000000 R11: ffff881fff2c3da8 R12: ffff88001c591e08
[33741212.449537] R13: 0000000000000100 R14: ffff88001c591c00 R15: ffff88001c591c00
[33741212.451300] FS:  00007fb9a5733740(0000) GS:ffff881fff2c0000(0000) knlGS:0000000000000000
[33741212.453062] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[33741212.454801] CR2: 00007fb5fce7ca10 CR3: 00000000429fa000 CR4: 00000000003607e0
[33741212.456527] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[33741212.458228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[33741212.459908] Call Trace:
[33741212.461562]  <IRQ> 
[33741212.461569] 
[33741212.463200]  [<ffffffff81050b4c>] ? native_smp_send_reschedule+0x4c/0x70
[33741212.464821]  [<ffffffffc058be90>] ? sctp_generate_heartbeat_event+0x150/0x150 [sctp]
[33741212.467097]  [<ffffffff81099096>] call_timer_fn+0x36/0x110
[33741212.470401]  [<ffffffffc058be90>] ? sctp_generate_heartbeat_event+0x150/0x150 [sctp]
[33741212.473636]  [<ffffffff8109b5ad>] run_timer_softirq+0x22d/0x310
[33741212.476692]  [<ffffffff8109275f>] __do_softirq+0xef/0x280
[33741212.479339]  [<ffffffff816bd3ac>] call_softirq+0x1c/0x30
[33741212.481940]  [<ffffffff8102d405>] do_softirq+0x65/0xa0
[33741212.484503]  [<ffffffff81092ae5>] irq_exit+0x105/0x110
[33741212.486104]  [<ffffffff816bea52>] smp_apic_timer_interrupt+0x42/0x50
[33741212.487538]  [<ffffffff816b9d32>] apic_timer_interrupt+0x232/0x240
[33741212.488946]  <EOI> 
[33741212.488953] 
[33741212.490334]  [<ffffffff816b8bca>] ? sysret_audit+0x17/0x21
[33741212.491698]  [<ffffffff816b896b>] ? system_call_after_swapgs+0x198/0x214
[33741212.493244] Code: 07 0d dc c0 e9 fe fe ff ff 66 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 fe 41 55 41 54 53 48 83 ec 10 48 8b 9f b8 00 00 00 <4c> 8b 6b 20 4d 8d 65 70 4d 8b 7d 30 4c 89 e7 e8 0c 21 12 c1 41 
[33741212.496008] RIP  [<ffffffffc058beb0>] sctp_generate_proto_unreach_event+0x20/0xf0 [sctp]
[33741212.497352]  RSP <ffff881fff2c3de8>