protocol 88fb is buggy, dev hsr_slave_1
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AppArmor WARN cred_label: ((!blob)): 
WARNING: CPU: 1 PID: 9752 at security/apparmor/include/cred.h:30 cred_label security/apparmor/include/cred.h:30 [inline]
WARNING: CPU: 1 PID: 9752 at security/apparmor/include/cred.h:30 apparmor_cred_free+0x12f/0x1a0 security/apparmor/lsm.c:62
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 9752 Comm: kworker/u4:7 Not tainted 5.0.0-rc2-next-20190116 #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_purge_orig
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:cred_label security/apparmor/include/cred.h:30 [inline]
RIP: 0010:apparmor_cred_free+0x12f/0x1a0 security/apparmor/lsm.c:62
Code: 7c 88 48 c7 c7 40 d2 7c 88 e8 ed 08 f2 fd 0f 0b eb a9 e8 f4 df 28 fe 48 c7 c6 00 e2 7c 88 48 c7 c7 40 d2 7c 88 e8 d1 08 f2 fd <0f> 0b 48 b8 00 00 00 00 00 fc ff df 80 38 00 75 4a 4c 8b 2c 25 00
RSP: 0018:ffff8880ae707b10 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff81688726 RDI: 0000000000000006
RBP: ffff8880ae707b30 R08: ffff8880521c4600 R09: ffff8880521c4ec8
R10: ffff8880521c4600 R11: 0000000000000000 R12: ffff8880935f7000
R13: ffff8880935f7000 R14: ffff8880935f7088 R15: dffffc0000000000
 security_cred_free+0x4b/0xf0 security/security.c:1490
 put_cred_rcu+0x21f/0x6e0 kernel/cred.c:118
 __rcu_reclaim kernel/rcu/rcu.h:240 [inline]
 rcu_do_batch kernel/rcu/tree.c:2486 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2799 [inline]
 rcu_core+0xc4a/0x1680 kernel/rcu/tree.c:2780
 __do_softirq+0x30b/0xb11 kernel/softirq.c:292
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027
 </IRQ>
 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337
 do_softirq kernel/softirq.c:329 [inline]
 __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0x31/0x40 kernel/locking/spinlock.c:200
 spin_unlock_bh include/linux/spinlock.h:374 [inline]
 batadv_purge_orig_ref+0xcc6/0x13c0 net/batman-adv/originator.c:1376
 batadv_purge_orig+0x1b/0x70 net/batman-adv/originator.c:1389
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
 kthread+0x357/0x430 kernel/kthread.c:247
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..