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ODEBUG: free active (active state 0) object: ffff88803b5f3890 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 5850 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 5850 Comm: syz-executor 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 d4 52 fd 4d 8b 0f 48 c7 c7 a0 41 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 6a 04 b3 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 97 79 d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a10 EFLAGS: 00010292
RAX: 0bd69b742dd7e400 RBX: dffffc0000000000 RCX: ffff8880213cd640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffffffff8a6cae80
R13: ffffffff8be34320 R14: ffff88803b5f3890 R15: ffffffff8b8cdfa0
FS:  000055555df93500(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11d7d99440 CR3: 0000000027dc8000 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:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fa 0c 21 f6 48 89 df e8 52 a4 21 f6 e8 ad f6 4a f6 fb bf 01 00 00 00 <e8> b2 9e 13 f6 65 8b 05 6b 21 24 07 85 c0 74 07 5b e9 51 4c 00 00
RSP: 0018:ffffc9000314fc80 EFLAGS: 00000282
RAX: 0bd69b742dd7e400 RBX: ffff8880261e5580 RCX: 0bd69b742dd7e400
RDX: 0000000000000000 RSI: ffffffff8d9b8019 RDI: 0000000000000001
RBP: 0000000000000021 R08: ffffffff8fa38e37 R09: 1ffffffff1f471c6
R10: dffffc0000000000 R11: fffffbfff1f471c7 R12: 1ffff11004c3cb43
R13: 0000000000000000 R14: 000000001c000004 R15: ffff8880261e5a18
 get_signal+0x11a8/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9139e4d9b0
Code: 44 24 20 0f 29 44 24 30 0f 29 44 24 40 48 8b 44 24 08 ff d0 48 83 c4 50 31 c0 5b 5d 41 5c 41 5d 41 5e c3 0f 1f 80 00 00 00 00 <c3> 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c3 66 66 2e 0f 1f
RSP: 002b:00007ffe85f162b8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000e88 RCX: 00007f9139fc14a5
RDX: 00007ffe85f162c0 RSI: 00007ffe85f163f0 RDI: 0000000000000011
RBP: 00007ffe85f167dc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 000000000004bf5f R15: 00007ffe85f16830
 </TASK>
