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ODEBUG: free active (active state 0) object: ffff8881052b6c90 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 1 PID: 22245 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 1 UID: 0 PID: 22245 Comm: syz.1.5489 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 97 f5 92 fd 4d 8b 0f 48 c7 c7 00 0e bf 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 ea 5c f0 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 f7 37 ea 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000a08a00 EFLAGS: 00010296
RAX: 1359c3f2b3ec1600 RBX: dffffc0000000000 RCX: ffff8881b0bb1d00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba650 R12: ffffffff8a38d030
R13: ffffffff8bbf0f80 R14: ffff8881052b6c90 R15: ffffffff8b6cf600
FS:  00005555773a5500(0000) GS:ffff8882a9f40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000080 CR3: 0000000114f46000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 debug_check_no_obj_freed+0x3a2/0x470
 kfree+0x115/0x6d0
 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:unmap_page_range+0xf49/0x4370
Code: a0 00 00 00 48 8d 58 08 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 7a a8 1a 00 4c 8b 33 <4c> 89 f6 48 83 e6 01 31 ff e8 29 f8 b4 ff 4c 89 f0 48 83 e0 01 4c
RSP: 0018:ffffc90009f075e0 EFLAGS: 00000246
RAX: 1ffffd4000df9ff1 RBX: ffffea0006fcff88 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000001bf200 RDI: ffffffffffffffff
RBP: ffffc90009f07890 R08: ffffea0006fcff73 R09: 1ffffd4000df9fee
R10: dffffc0000000000 R11: fffff94000df9fef R12: 00007f7eaebfd000
R13: 00007f7eaea11000 R14: 0000000000000000 R15: ffff88810007eb80
 unmap_vmas+0x399/0x580
 exit_mmap+0x240/0xb40
 __mmput+0x118/0x430
 exit_mm+0x1da/0x2c0
 do_exit+0x648/0x2300
 do_group_exit+0x21c/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x21f7/0x2200
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7eaf18efc9
Code: Unable to access opcode bytes at 0x7f7eaf18ef9f.
RSP: 002b:00007fffdfe55738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7eaf18efc9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fffdfe5579c R08: 00000004dfe5582f R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000710
R13: 00000000000927c0 R14: 00000000000653f0 R15: 00007fffdfe557f0
 </TASK>
