------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: xprt_init_autodisconnect+0x0/0x150 include/linux/refcount.h:283
WARNING: CPU: 1 PID: 60 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Modules linked in:
CPU: 1 PID: 60 Comm: kworker/1:2 Not tainted 5.12.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events kfree_rcu_work

RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505
Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 14 e0 89 4c 89 ee 48 c7 c7 20 08 e0 89 e8 53 bf 0b 05 <0f> 0b 83 05 45 d6 d7 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffc90000f4fa70 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff888011569ac0 RSI: ffffffff815bf045 RDI: fffff520001e9f40
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815bd3fb R11: 0000000000000000 R12: ffffffff898d8c00
R13: ffffffff89e00e20 R14: ffffffff81628ab0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f787000bf40 CR3: 000000002b4e6000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __debug_check_no_obj_freed lib/debugobjects.c:987 [inline]
 debug_check_no_obj_freed+0x309/0x430 lib/debugobjects.c:1018
 slab_free_hook mm/slub.c:1554 [inline]
 slab_free_freelist_hook+0xd6/0x1b0 mm/slub.c:1600
 slab_free mm/slub.c:3161 [inline]
 kmem_cache_free_bulk mm/slub.c:3294 [inline]
 kmem_cache_free_bulk+0x26b/0xb90 mm/slub.c:3281
 kfree_bulk include/linux/slab.h:411 [inline]
 kfree_rcu_work+0x4d2/0x860 kernel/rcu/tree.c:3302
 process_one_work+0x98d/0x1630 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294