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ODEBUG: free active (active state 0) object: ffff88803765b490 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 24267 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 24267 Comm: syz.1.5031 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 37 74 52 fd 4d 8b 0f 48 c7 c7 a0 48 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 fa 90 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 f7 06 d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a10 EFLAGS: 00010292
RAX: c41a8885ad019000 RBX: dffffc0000000000 RCX: ffff88803c511cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffffff8a6e9100
R13: ffffffff8be34a20 R14: ffff88803765b490 R15: ffffffff8b8ce260
FS:  0000555564fc8500(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005980 CR3: 0000000113364000 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:__sanitizer_cov_trace_const_cmp8+0x11/0x90
Code: 09 cc 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 d0 a0 92 <65> 8b 15 a8 1d e1 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
RSP: 0018:ffffc90009d2f588 EFLAGS: 00000246
RAX: ffffffff822e5c2b RBX: 1ffffd4000102629 RCX: ffff88803c511cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff822e753a
R10: dffffc0000000000 R11: fffff94000102629 R12: 0000000000000000
R13: ffffea0000813140 R14: 0000000000000001 R15: ffffea0000813158
 page_table_check_clear+0x17b/0x700
 unmap_page_range+0x3445/0x4370
 unmap_vmas+0x399/0x580
 exit_mmap+0x248/0xb50
 __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/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb1d18eba9
Code: Unable to access opcode bytes at 0x7fbb1d18eb7f.
RSP: 002b:00007fff772b0b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbb1d18eba9
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff772b0b7c R08: 0000001e772b0c0f R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000005e3
R13: 00000000000927c0 R14: 0000000000067699 R15: 00007fff772b0bd0
 </TASK>
