------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff888031652890 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 23599 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 23599 Comm: syz.2.5494 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:debug_print_object+0x16b/0x1e0
Code: 4c 89 ff e8 07 6e 52 fd 4d 8b 0f 48 c7 c7 20 49 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 da 87 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 d7 74 d2 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a10 EFLAGS: 00010292
RAX: c5e3b2c75290b300 RBX: dffffc0000000000 RCX: ffff8880390a5640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffffff8a6eee50
R13: ffffffff8be34aa0 R14: ffff888031652890 R15: ffffffff8b8ce260
FS:  00007fd458f5b6c0(0000) GS:ffff8880b8639000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000c2c0 CR3: 00000000378f0000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 debug_check_no_obj_freed+0x3a2/0x470
 kfree+0x112/0x440
 rose_timer_expiry+0x4cb/0x600
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 4b 10 01 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90006ca6748 EFLAGS: 00000206
RAX: c5e3b2c75290b300 RBX: 0000000000000000 RCX: c5e3b2c75290b300
RDX: 0000000000000000 RSI: ffffffff8dba022c RDI: ffffffff8be33f80
RBP: ffffffff825d5e3c R08: 0000000000000000 R09: ffffffff825d5e3c
R10: ffff888043d11408 R11: ffffed10087a2283 R12: 0000000000000002
R13: ffffffff8e13a0e0 R14: 0000000000000000 R15: 0000000000000246
 kernfs_root+0x38/0x230
 kernfs_link_sibling+0x2ef/0x3e0
 kernfs_add_one+0x1e0/0x520
 __kernfs_create_file+0x22b/0x2e0
 sysfs_add_file_mode_ns+0x238/0x300
 sysfs_merge_group+0x177/0x310
 dpm_sysfs_add+0xd2/0x270
 device_add+0x4d8/0xb50
 netdev_register_kobject+0x178/0x310
 register_netdevice+0x126c/0x1ae0
 cfg80211_register_netdevice+0x150/0x2f0
 ieee80211_if_add+0xe60/0x1390
 ieee80211_register_hw+0x35a5/0x40d0
 mac80211_hwsim_new_radio+0x2f7a/0x5210
 hwsim_new_radio_nl+0xf5b/0x1bd0
 genl_family_rcv_msg_doit+0x215/0x300
 genl_rcv_msg+0x60e/0x790
 netlink_rcv_skb+0x208/0x470
 genl_rcv+0x28/0x40
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd45818ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd458f5b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fd4583d6180 RCX: 00007fd45818ec29
RDX: 0000000000000084 RSI: 0000200000000100 RDI: 0000000000000003
RBP: 00007fd458211e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd4583d6218 R14: 00007fd4583d6180 R15: 00007ffd4eb99678
 </TASK>
