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ODEBUG: free active (active state 0) object: ffff88801f89a090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 1 PID: 30378 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 1 UID: 0 PID: 30378 Comm: syz.0.7359 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 c7 d1 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 aa ff b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 d7 7a d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc900001e0a10 EFLAGS: 00010292
RAX: b09df9d8da825e00 RBX: dffffc0000000000 RCX: ffff88802457b980
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffffffff8a6d31c0
R13: ffffffff8be34320 R14: ffff88801f89a090 R15: ffffffff8b8cdfa0
FS:  00007fde996456c0(0000) GS:ffff8881a3c14000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32222ff8 CR3: 000000000df36000 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_irqrestore+0xa8/0x110
Code: 74 05 e8 6b 87 4a f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 53 2f 13 f6 65 8b 05 0c f2 23 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900079e7080 EFLAGS: 00000206
RAX: b09df9d8da825e00 RBX: 0000000000000246 RCX: b09df9d8da825e00
RDX: 0000000000000007 RSI: ffffffff8d9b963f RDI: 0000000000000001
RBP: ffffc900079e7110 R08: ffffffff8fa39437 R09: 1ffffffff1f47286
R10: dffffc0000000000 R11: fffffbfff1f47287 R12: dffffc0000000000
R13: ffffffff8e13f200 R14: ffffffff8e13f200 R15: 1ffff92000f3ce10
 rcu_preempt_deferred_qs_irqrestore+0x89c/0xce0
 rcu_read_unlock_special+0x3a2/0x4b0
 __rcu_read_unlock+0x84/0xe0
 unmap_page_range+0x3b1f/0x4370
 unmap_vmas+0x399/0x580
 exit_mmap+0x248/0xb50
 __mmput+0x118/0x420
 exit_mm+0x1da/0x2c0
 do_exit+0x648/0x2300
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 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: 0033:0x7fde9878ebe9
Code: Unable to access opcode bytes at 0x7fde9878ebbf.
RSP: 002b:00007fde996450e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fde989c5fa8 RCX: 00007fde9878ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fde989c5fa8
RBP: 00007fde989c5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde989c6038 R14: 00007fff76892860 R15: 00007fff76892948
 </TASK>
