audit: type=1400 audit(1584571771.873:40): avc:  denied  { associate } for  pid=8242 comm="syz-executor577" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
------------[ cut here ]------------
ODEBUG: free active (active state 1) object type: rcu_head hint:           (null)
WARNING: CPU: 1 PID: 8353 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8353 Comm: kworker/u4:7 Not tainted 4.19.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: tc_filter_workqueue tcindex_destroy_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x46 kernel/panic.c:541
 report_bug+0x262/0x2a0 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+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1037
RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325
Code: dd 60 0f ab 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 60 0f ab 87 48 c7 c7 a0 04 ab 87 e8 1b f7 e6 fd <0f> 0b 83 05 63 a5 37 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89
RSP: 0018:ffff8880a09ffc50 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8152d381 RDI: ffffed101413ff7c
RBP: 0000000000000001 R08: ffff8880886c0500 R09: ffffed1015ce3ee3
R10: ffffed1015ce3ee2 R11: ffff8880ae71f717 R12: ffffffff88b928c0
R13: 0000000000000000 R14: ffffffff8b88c188 R15: ffff8880a4ac1fa0
 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline]
 debug_check_no_obj_freed+0x2a3/0x42e lib/debugobjects.c:817
 kfree+0xbb/0x220 mm/slab.c:3821
 tcindex_destroy_work+0x2e/0x70 net/sched/cls_tcindex.c:230
 process_one_work+0x91f/0x1640 kernel/workqueue.c:2155
 worker_thread+0x96/0xe20 kernel/workqueue.c:2298
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415

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