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ODEBUG: free active (active state 0) object: ffff8880202ab090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 5855 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 5855 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 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: 1867259ccb915e00 RBX: dffffc0000000000 RCX: ffff88801f228000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffffff8a6e90c0
R13: ffffffff8be34a20 R14: ffff8880202ab090 R15: ffffffff8b8ce260
FS:  000055558d18e500(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000062000 CR3: 0000000022614000 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 1a cf 1f f6 48 89 df e8 72 66 20 f6 e8 9d b7 49 f6 fb bf 01 00 00 00 <e8> 42 5e 12 f6 65 8b 05 cb 30 23 07 85 c0 74 07 5b c3 cc cc cc cc
RSP: 0018:ffffc900031dfc80 EFLAGS: 00000282
RAX: 1867259ccb915e00 RBX: ffff888021d2cc00 RCX: 1867259ccb915e00
RDX: 0000000000000000 RSI: ffffffff8d9ba1ca RDI: 0000000000000001
RBP: 0000000000000021 R08: ffffffff8fa38f37 R09: 1ffffffff1f471e6
R10: dffffc0000000000 R11: fffffbfff1f471e7 R12: 1ffff110043a5a13
R13: 0000000000000000 R14: 000000001c000004 R15: ffff888021d2d098
 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: 0033:0x7fcb7d04d9b0
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:00007ffe96d10878 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000001fe9 RCX: 00007fcb7d1c14e5
RDX: 00007ffe96d10880 RSI: 00007ffe96d109b0 RDI: 0000000000000011
RBP: 00007ffe96d10d8c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000001388
R13: 00000000000927c0 R14: 0000000000086d94 R15: 00007ffe96d10de0
 </TASK>
