------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88803e87d890 object type: timer_list hint: rose_t0timer_expiry+0x0/0x150 include/linux/skbuff.h:2927
WARNING: lib/debugobjects.c:612 at debug_print_object+0x18e/0x2a0 lib/debugobjects.c:612, CPU#3: kcompactd0/45
Modules linked in:
CPU: 3 UID: 0 PID: 45 Comm: kcompactd0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:debug_print_object+0x19b/0x2a0 lib/debugobjects.c:612
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 4f 48 8d 3d a2 06 dd 0b 41 56 48 8b 14 dd 60 c5 f2 8b 4c 89 e6 <67> 48 0f b9 3a 58 83 05 9c b7 d3 0b 01 48 83 c4 18 5b 5d 41 5c 41
RSP: 0018:ffffc900006f8a08 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffffffff8bf2c4a0 RSI: ffffffff8bf2c080 RDI: ffffffff90924e70
RBP: 0000000000000001 R08: ffff88803e87d890 R09: ffffffff8b906c80
R10: ffffffff9088ced7 R11: ffff888021bf8b30 R12: ffffffff8bf2c080
R13: ffffffff8b906cc0 R14: ffffffff8a643ee0 R15: ffffc900006f8b08
FS:  0000000000000000(0000) GS:ffff8880d6bf1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fecdb373460 CR3: 0000000024fd9000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
 debug_check_no_obj_freed+0x4b7/0x600 lib/debugobjects.c:1129
 slab_free_hook mm/slub.c:2471 [inline]
 slab_free mm/slub.c:6674 [inline]
 kfree+0x2d1/0x6e0 mm/slub.c:6882
 rose_neigh_put include/net/rose.h:166 [inline]
 rose_timer_expiry+0x53f/0x630 net/rose/rose_timer.c:183
 call_timer_fn+0x19a/0x5a0 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers+0x74a/0xae0 kernel/time/timer.c:2373
 __run_timer_base kernel/time/timer.c:2385 [inline]
 __run_timer_base kernel/time/timer.c:2377 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2394
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2404
 handle_softirqs+0x219/0x950 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:kasan_check_range+0x16c/0x1b0 mm/kasan/generic.c:201
Code: 46 ff ff ff 48 85 d2 74 18 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 0a 80 38 00 74 f2 e9 75 ff ff ff 5b b8 01 00 00 00 5d 41 5c <c3> cc cc cc cc b8 01 00 00 00 c3 cc cc cc cc 48 29 c3 48 89 da 49
RSP: 0018:ffffc900007df760 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffea0000c3e9c0 RCX: ffffffff8207f033
RDX: fffff94000187d39 RSI: 0000000000000008 RDI: ffffea0000c3e9c0
RBP: dffffc0000000000 R08: 0000000000000000 R09: fffff94000187d38
R10: ffffea0000c3e9c7 R11: ffffc900007df880 R12: ffffea0000c3e9c0
R13: ffffea0000c3e9c0 R14: ffffc900007dfb08 R15: 0000000000030fa7
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 PageMovableOps include/linux/page-flags.h:1122 [inline]
 page_has_movable_ops include/linux/page-flags.h:1149 [inline]
 isolate_migratepages_block+0x973/0x5e40 mm/compaction.c:1053
 isolate_migratepages mm/compaction.c:2131 [inline]
 compact_zone+0x195d/0x4540 mm/compaction.c:2617
 compact_node+0x1a3/0x2c0 mm/compaction.c:2916
 kcompactd+0x73b/0xe80 mm/compaction.c:3214
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	(bad)
   8:	df 48 89             	fisttps -0x77(%rax)
   b:	fa                   	cli
   c:	48 c1 ea 03          	shr    $0x3,%rdx
  10:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  14:	75 4f                	jne    0x65
  16:	48 8d 3d a2 06 dd 0b 	lea    0xbdd06a2(%rip),%rdi        # 0xbdd06bf
  1d:	41 56                	push   %r14
  1f:	48 8b 14 dd 60 c5 f2 	mov    -0x740d3aa0(,%rbx,8),%rdx
  26:	8b
  27:	4c 89 e6             	mov    %r12,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	58                   	pop    %rax
  30:	83 05 9c b7 d3 0b 01 	addl   $0x1,0xbd3b79c(%rip)        # 0xbd3b7d3
  37:	48 83 c4 18          	add    $0x18,%rsp
  3b:	5b                   	pop    %rbx
  3c:	5d                   	pop    %rbp
  3d:	41 5c                	pop    %r12
  3f:	41                   	rex.B