TITLE: WARNING in xfrm_state_fini
TYPE: WARNING
PANICKED: Y

[  560.713151][ T1194] WARNING: CPU: 2 PID: 1194 at net/xfrm/xfrm_state.c:2381 xfrm_state_fini+0x440/0x5c0
[  560.714556][ T1194] Kernel panic - not syncing: panic_on_warn set ...
[  560.715572][ T1194] CPU: 2 PID: 1194 Comm: kworker/u12:4 Not tainted 4.20.0-next-20190102+ #5
[  560.716935][ T1194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[  560.718554][ T1194] Workqueue: netns cleanup_net
[  560.719399][ T1194] Call Trace:
[  560.719962][ T1194]  dump_stack+0x1db/0x2d0
[  560.720753][ T1194]  ? dump_stack_print_info.cold+0x20/0x20
[  560.721765][ T1194]  ? xfrm_state_fini+0x3f0/0x5c0
[  560.722633][ T1194]  panic+0x2cb/0x65c
[  560.723410][ T1194]  ? add_taint.cold+0x16/0x16
[  560.724400][ T1194]  ? xfrm_state_fini+0x440/0x5c0
[  560.728889][ T1194]  __warn.cold+0x20/0x48
[  560.729466][ T1194]  ? xfrm_state_fini+0x440/0x5c0
[  560.730136][ T1194]  report_bug+0x263/0x2b0
[  560.730753][ T1194]  do_error_trap+0x11b/0x200
[  560.731421][ T1194]  do_invalid_op+0x37/0x50
[  560.732020][ T1194]  ? xfrm_state_fini+0x440/0x5c0
[  560.732696][ T1194]  invalid_op+0x14/0x20
[  560.733271][ T1194] RIP: 0010:xfrm_state_fini+0x440/0x5c0
[  560.734012][ T1194] Code: c3 e8 d4 94 be fa 0f 0b e9 d5 fd ff ff e8 c8 94 be fa 0f 0b e9 9d fe ff ff e8 bc 94 be fa 0f 0b e9 65 ff ff ff e8 b0 94 be fa <0f> 0b e9 d1 fc ff ff e8 94 87 02 fb e9 f4 fc ff ff 48 89 85 08 ff
[  560.736699][ T1194] RSP: 0018:ffff888068c37718 EFLAGS: 00010293
[  560.737543][ T1194] RAX: ffff888068c28300 RBX: ffff88805fec4340 RCX: 0000000000000000
[  560.738638][ T1194] RDX: 0000000000000000 RSI: ffffffff86c36c50 RDI: 1ffff1100d186ee9
[  560.739795][ T1194] RBP: ffff888068c37810 R08: 0000000000000007 R09: ffff888068c28bf0
[  560.740936][ T1194] R10: ffff888068c28300 R11: 0000000000000000 R12: 1ffff1100d186ee5
[  560.742054][ T1194] R13: ffff888068c377e8 R14: ffff88805fec5e40 R15: ffff88801f9cb0e0
[  560.746144][ T1194]  ? __kasan_slab_free+0x119/0x150
[  560.746851][ T1194]  ? xfrm_policy_fini+0x640/0x640
[  560.747522][ T1194]  xfrm_net_exit+0x25/0x70
[  560.748148][ T1194]  ops_exit_list.isra.0+0xb0/0x160
[  560.748885][ T1194]  cleanup_net+0x51d/0xb10
[  560.749511][ T1194]  ? find_held_lock+0x35/0x120
[  560.750188][ T1194]  ? netns_install+0x1d0/0x1d0
[  560.750862][ T1194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  560.751750][ T1194]  ? check_preemption_disabled+0x48/0x290
[  560.752560][ T1194]  ? __lock_is_held+0xb6/0x140
[  560.753239][ T1194]  process_one_work+0xd0c/0x1ce0
[  560.753936][ T1194]  ? __bpf_trace_sched_wake_idle_without_ipi+0x10/0x10
[  560.765456][ T1194]  worker_thread+0x143/0x14a0
[  560.766113][ T1194]  ? process_one_work+0x1ce0/0x1ce0
[  560.777603][ T1194]  kthread+0x357/0x430
[  560.778325][ T1194]  ? process_one_work+0x1ce0/0x1ce0
[  560.779733][ T1194]  ret_from_fork+0x3a/0x50
[  560.780962][ T1194] Dumping ftrace buffer:
[  560.781955][ T1194]    (ftrace buffer empty)
[  560.782576][ T1194] Kernel Offset: disabled
[  560.783204][ T1194] Rebooting in 86400 seconds..

REPORT:
WARNING: CPU: 2 PID: 1194 at net/xfrm/xfrm_state.c:2381 xfrm_state_fini+0x440/0x5c0
Kernel panic - not syncing: panic_on_warn set ...
CPU: 2 PID: 1194 Comm: kworker/u12:4 Not tainted 4.20.0-next-20190102+ #5
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
Workqueue: netns cleanup_net
Call Trace:
 dump_stack+0x1db/0x2d0
 panic+0x2cb/0x65c
 __warn.cold+0x20/0x48
 report_bug+0x263/0x2b0
 do_error_trap+0x11b/0x200
 do_invalid_op+0x37/0x50
 invalid_op+0x14/0x20
RIP: 0010:xfrm_state_fini+0x440/0x5c0
Code: c3 e8 d4 94 be fa 0f 0b e9 d5 fd ff ff e8 c8 94 be fa 0f 0b e9 9d fe ff ff e8 bc 94 be fa 0f 0b e9 65 ff ff ff e8 b0 94 be fa <0f> 0b e9 d1 fc ff ff e8 94 87 02 fb e9 f4 fc ff ff 48 89 85 08 ff
RSP: 0018:ffff888068c37718 EFLAGS: 00010293
RAX: ffff888068c28300 RBX: ffff88805fec4340 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff86c36c50 RDI: 1ffff1100d186ee9
RBP: ffff888068c37810 R08: 0000000000000007 R09: ffff888068c28bf0
R10: ffff888068c28300 R11: 0000000000000000 R12: 1ffff1100d186ee5
R13: ffff888068c377e8 R14: ffff88805fec5e40 R15: ffff88801f9cb0e0
 xfrm_net_exit+0x25/0x70
 ops_exit_list.isra.0+0xb0/0x160
 cleanup_net+0x51d/0xb10
 process_one_work+0xd0c/0x1ce0
 worker_thread+0x143/0x14a0
 kthread+0x357/0x430
 ret_from_fork+0x3a/0x50
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..
