[  973.587536] Lustre: 13987:0:(sec_gss.c:378:gss_cli_ctx_uptodate()) client refreshed ctx ffff9569e8208780 idx 0x5065a837013ad3f0 (0->testfs-MDT0000_UUID), expiry 1618454909(+60479990s)
[  973.587548] Lustre: 13987:0:(gss_svc_upcall.c:872:gss_svc_upcall_install_rvs_ctx()) create reverse svc ctx ffff9578563a8c40 to testfs-MDT0000_UUID: idx 0xd59d7e010b3a12f5
[  973.601990] sha512_ssse3: Using AVX2 optimized SHA-512 implementation
[  973.604360] LustreError: 13277:0:(gss_sk_mech.c:342:sk_make_hmac()) ASSERTION( token->len >= crypto_hash_digestsize(tfm) ) failed: 
[  973.607569] LustreError: 13277:0:(gss_sk_mech.c:342:sk_make_hmac()) LBUG
[  973.609108] Pid: 13277, comm: ptlrpcd_rcv 3.10.0-862.el7.x86_64 #1 SMP Fri Apr 20 16:44:24 UTC 2018
[  973.609110] Call Trace:
[  973.609119]  [<ffffffffc0a647cc>] libcfs_call_trace+0x8c/0xc0 [libcfs]
[  973.609135]  [<ffffffffc0a6487c>] lbug_with_loc+0x4c/0xa0 [libcfs]
[  973.609141]  [<ffffffffc11925b6>] sk_make_hmac+0xd6/0xe0 [ptlrpc_gss]
[  973.609157]  [<ffffffffc11925fb>] gss_get_mic_sk+0x3b/0x40 [ptlrpc_gss]
[  973.609163]  [<ffffffffc118ad21>] lgss_get_mic+0x31/0x100 [ptlrpc_gss]
[  973.609170]  [<ffffffffc1176696>] gss_sign_msg+0x166/0x300 [ptlrpc_gss]
[  973.609176]  [<ffffffffc117b8da>] gss_cli_ctx_sign+0x1ba/0x330 [ptlrpc_gss]
[  973.609184]  [<ffffffffc0dd0817>] sptlrpc_cli_wrap_request+0xd7/0x360 [ptlrpc]
[  973.609243]  [<ffffffffc0da0785>] ptl_send_rpc+0x1f5/0xe60 [ptlrpc]
[  973.609266]  [<ffffffffc0d9a6bc>] ptlrpc_check_set.part.23+0x183c/0x1da0 [ptlrpc]
[  973.609292]  [<ffffffffc0d9ac7b>] ptlrpc_check_set+0x5b/0xe0 [ptlrpc]
[  973.609322]  [<ffffffffc0dc6bcb>] ptlrpcd_check+0x4cb/0x5e0 [ptlrpc]
[  973.609356]  [<ffffffffc0dc6fe9>] ptlrpcd+0x309/0x550 [ptlrpc]
[  973.609387]  [<ffffffff9aabae31>] kthread+0xd1/0xe0
[  973.609399]  [<ffffffff9b11f637>] ret_from_fork_nospec_end+0x0/0x39
[  973.609408]  [<ffffffffffffffff>] 0xffffffffffffffff
[  973.609420] Kernel panic - not syncing: LBUG
[  973.611365] CPU: 32 PID: 13277 Comm: ptlrpcd_rcv Kdump: loaded Tainted: G           OE  ------------   3.10.0-862.el7.x86_64 #1
[  973.614416] Hardware name: HP CL2200 G3 1211R/Hercules-J, BIOS 4B4C2080 04/25/2016
[  973.615961] Call Trace:
[  973.617480]  [<ffffffff9b10d768>] dump_stack+0x19/0x1b
[  973.618984]  [<ffffffff9b107a6a>] panic+0xe8/0x21f
[  973.620459]  [<ffffffffc0a648cb>] lbug_with_loc+0x9b/0xa0 [libcfs]
[  973.621916]  [<ffffffffc11925b6>] sk_make_hmac+0xd6/0xe0 [ptlrpc_gss]
[  973.623370]  [<ffffffffc11925fb>] gss_get_mic_sk+0x3b/0x40 [ptlrpc_gss]
[  973.624792]  [<ffffffffc118ad21>] lgss_get_mic+0x31/0x100 [ptlrpc_gss]
[  973.626218]  [<ffffffffc1176696>] gss_sign_msg+0x166/0x300 [ptlrpc_gss]
[  973.627624]  [<ffffffffc117b8da>] gss_cli_ctx_sign+0x1ba/0x330 [ptlrpc_gss]
[  973.629040]  [<ffffffffc0dd0817>] sptlrpc_cli_wrap_request+0xd7/0x360 [ptlrpc]
[  973.630423]  [<ffffffffc0da0785>] ptl_send_rpc+0x1f5/0xe60 [ptlrpc]
[  973.631791]  [<ffffffffc0dd4cdd>] ? sptlrpc_req_refresh_ctx+0x4ed/0x910 [ptlrpc]
[  973.633140]  [<ffffffff9aad816c>] ? update_curr+0x14c/0x1e0
[  973.634448]  [<ffffffff9aad865c>] ? dequeue_entity+0x11c/0x5e0
[  973.635754]  [<ffffffffc0d9a6bc>] ptlrpc_check_set.part.23+0x183c/0x1da0 [ptlrpc]
[  973.637030]  [<ffffffff9aa2959e>] ? __switch_to+0xce/0x580
[  973.638299]  [<ffffffffc0d9ac7b>] ptlrpc_check_set+0x5b/0xe0 [ptlrpc]
[  973.639556]  [<ffffffffc0dc6bcb>] ptlrpcd_check+0x4cb/0x5e0 [ptlrpc]
[  973.640785]  [<ffffffffc0dc6fe9>] ptlrpcd+0x309/0x550 [ptlrpc]
[  973.641977]  [<ffffffff9aacee80>] ? wake_up_state+0x20/0x20
[  973.643207]  [<ffffffffc0dc6ce0>] ? ptlrpcd_check+0x5e0/0x5e0 [ptlrpc]
[  973.644387]  [<ffffffff9aabae31>] kthread+0xd1/0xe0
[  973.645539]  [<ffffffff9aabad60>] ? insert_kthread_work+0x40/0x40
[  973.646673]  [<ffffffff9b11f637>] ret_from_fork_nospec_begin+0x21/0x21
[  973.647794]  [<ffffffff9aabad60>] ? insert_kthread_work+0x40/0x40
[root@mds-s1 127.0.0.1-2019-05-15-22:48:45]#