[   80.877229] IPv6: ADDRCONF(NETDEV_CHANGE): bond1: link becomes ready
[   80.916531] Lustre: Lustre: Build Version: 2.10.6
[   81.049574] LNet: Added LNI 172.26.1.221@tcp [8/768/0/180]
[   81.049617] LNet: Accept secure, port 988
[   82.135048] LNet: Removed LNI 172.26.1.221@tcp
[   82.229672] LNet: Added LNI 172.20.0.221@o2ib [8/768/0/180]
[  319.763085] IPMI message handler: Event queue full, discarding incoming events
[ 1110.803034] RPC: Registered named UNIX socket transport module.
[ 1110.803038] RPC: Registered udp transport module.
[ 1110.803039] RPC: Registered tcp transport module.
[ 1110.803041] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 1111.320202] Lustre: 13521:0:(gss_mech_switch.c:72:lgss_mech_register()) Register gssnull mechanism
[ 1111.320211] Key type lgssc registered
[ 1111.440145] Lustre: 13532:0:(sec_gss.c:378:gss_cli_ctx_uptodate()) client refreshed ctx ffff97d6197198c0 idx 0x5065a837013ad3f1 (0->testfs-MDT0000_UUID), expiry 1618456154(+60479990s)
[ 1111.440153] Lustre: 13532:0:(gss_svc_upcall.c:872:gss_svc_upcall_install_rvs_ctx()) create reverse svc ctx ffff97d14a3c1a40 to testfs-MDT0000_UUID: idx 0xe3c48c8f1249454a
[ 1111.459376] Lustre: Mounted testfs-client
[ 1315.133701] Lustre: 13302:0:(gss_cli_upcall.c:396:gss_do_ctx_fini_rpc()) client finishing forward ctx ffff97d6197198c0 idx 0x5065a837013ad3f1 (0->testfs-MDT0000_UUID)
[ 1315.134206] Lustre: Unmounted testfs-client
[ 1315.148759] sha512_ssse3: Using AVX2 optimized SHA-512 implementation
[ 1315.151565] LustreError: 13302:0:(gss_sk_mech.c:342:sk_make_hmac()) ASSERTION( token->len >= crypto_hash_digestsize(tfm) ) failed: 
[ 1315.151626] LustreError: 13302:0:(gss_sk_mech.c:342:sk_make_hmac()) LBUG
[ 1315.151657] Pid: 13302, comm: sptlrpc_gc 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018
[ 1315.151658] Call Trace:
[ 1315.151667]  [<ffffffffc0b457cc>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[ 1315.151681]  [<ffffffffc0b4587c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[ 1315.151687]  [<ffffffffc12f85b6>] sk_make_hmac+0xd6/0xe0 [ptlrpc_gss]
[ 1315.151702]  [<ffffffffc12f85fb>] gss_get_mic_sk+0x3b/0x40 [ptlrpc_gss]
[ 1315.151709]  [<ffffffffc12f0d21>] lgss_get_mic+0x31/0x100 [ptlrpc_gss]
[ 1315.151716]  [<ffffffffc12dc696>] gss_sign_msg+0x166/0x300 [ptlrpc_gss]
[ 1315.151721]  [<ffffffffc12e18da>] gss_cli_ctx_sign+0x1ba/0x330 [ptlrpc_gss]
[ 1315.151727]  [<ffffffffc0f36817>] sptlrpc_cli_wrap_request+0xd7/0x360 [ptlrpc]
[ 1315.151770]  [<ffffffffc0f06785>] ptl_send_rpc+0x1f5/0xe60 [ptlrpc]
[ 1315.151790]  [<ffffffffc12eb010>] gss_do_ctx_fini_rpc+0x320/0x500 [ptlrpc_gss]
[ 1315.151797]  [<ffffffffc12e3d5c>] gss_cli_ctx_fini_common+0x5c/0x2d0 [ptlrpc_gss]
[ 1315.151802]  [<ffffffffc12fb908>] ctx_destroy_kr+0x88/0x3d0 [ptlrpc_gss]
[ 1315.151809]  [<ffffffffc12fc0ad>] gss_sec_release_ctx_kr+0x2d/0xa0 [ptlrpc_gss]
[ 1315.151816]  [<ffffffffc0f34b18>] sptlrpc_cli_ctx_put+0x48/0xb0 [ptlrpc]
[ 1315.151838]  [<ffffffffc0f3fd8d>] sec_process_ctx_list+0xfd/0x1a0 [ptlrpc]
[ 1315.151860]  [<ffffffffc0f3ffdc>] sec_gc_main+0x7c/0x420 [ptlrpc]
[ 1315.151879]  [<ffffffff858bae31>] kthread+0xd1/0xe0
[ 1315.151885]  [<ffffffff85f1f637>] ret_from_fork_nospec_end+0x0/0x39
[ 1315.151890]  [<ffffffffffffffff>] 0xffffffffffffffff
[ 1315.151916] Kernel panic - not syncing: LBUG
[ 1315.151939] CPU: 43 PID: 13302 Comm: sptlrpc_gc Kdump: loaded Tainted: G           OE  ------------   3.10.0-862.el7.x86_64 #1
[ 1315.151987] Hardware name: HP CL2200 G3 1211R/Hercules-J, BIOS 4B4C2080 04/25/2016
[ 1315.152019] Call Trace:
[ 1315.152038]  [<ffffffff85f0d768>] dump_stack+0x19/0x1b
[ 1315.152062]  [<ffffffff85f07a6a>] panic+0xe8/0x21f
[ 1315.152090]  [<ffffffffc0b458cb>] lbug_with_loc+0x9b/0xa0 [libcfs]
[ 1315.152123]  [<ffffffffc12f85b6>] sk_make_hmac+0xd6/0xe0 [ptlrpc_gss]
[ 1315.152156]  [<ffffffffc12f85fb>] gss_get_mic_sk+0x3b/0x40 [ptlrpc_gss]
[ 1315.152190]  [<ffffffffc12f0d21>] lgss_get_mic+0x31/0x100 [ptlrpc_gss]
[ 1315.152223]  [<ffffffffc12dc696>] gss_sign_msg+0x166/0x300 [ptlrpc_gss]
[ 1315.152257]  [<ffffffff85924882>] ? from_kgid+0x12/0x20
[ 1315.152285]  [<ffffffffc12e18da>] gss_cli_ctx_sign+0x1ba/0x330 [ptlrpc_gss]
[ 1315.152336]  [<ffffffffc0f36817>] sptlrpc_cli_wrap_request+0xd7/0x360 [ptlrpc]
[ 1315.152388]  [<ffffffffc0f06785>] ptl_send_rpc+0x1f5/0xe60 [ptlrpc]
[ 1315.152434]  [<ffffffffc0efbc1f>] ? ptlrpc_add_unreplied+0xbf/0x100 [ptlrpc]
[ 1315.152483]  [<ffffffffc0f02149>] ? ptlrpc_request_bufs_pack+0x1d9/0x480 [ptlrpc]
[ 1315.152520]  [<ffffffffc12eb010>] gss_do_ctx_fini_rpc+0x320/0x500 [ptlrpc_gss]
[ 1315.152554]  [<ffffffff858a37f2>] ? del_timer_sync+0x52/0x60
[ 1315.152584]  [<ffffffffc12e3d5c>] gss_cli_ctx_fini_common+0x5c/0x2d0 [ptlrpc_gss]
[ 1315.152622]  [<ffffffffc12fb908>] ctx_destroy_kr+0x88/0x3d0 [ptlrpc_gss]
[ 1315.152656]  [<ffffffffc12fc0ad>] gss_sec_release_ctx_kr+0x2d/0xa0 [ptlrpc_gss]
[ 1315.152709]  [<ffffffffc0f34b18>] sptlrpc_cli_ctx_put+0x48/0xb0 [ptlrpc]
[ 1315.152759]  [<ffffffffc0f3fd8d>] sec_process_ctx_list+0xfd/0x1a0 [ptlrpc]
[ 1315.152809]  [<ffffffffc0f3ffdc>] sec_gc_main+0x7c/0x420 [ptlrpc]
[ 1315.152840]  [<ffffffff858cee80>] ? wake_up_state+0x20/0x20
[ 1315.152883]  [<ffffffffc0f3ff60>] ? sptlrpc_gc_add_ctx+0x130/0x130 [ptlrpc]
[ 1315.152916]  [<ffffffff858bae31>] kthread+0xd1/0xe0
[ 1315.152941]  [<ffffffff858bad60>] ? insert_kthread_work+0x40/0x40
[ 1315.152970]  [<ffffffff85f1f637>] ret_from_fork_nospec_begin+0x21/0x21
[ 1315.153000]  [<ffffffff858bad60>] ? insert_kthread_work+0x40/0x40