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ODEBUG: free active (active state 0) object: ffff88812973bc90 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 1 PID: 20959 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 1 UID: 0 PID: 20959 Comm: syz.1.3940 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 f7 90 52 fd 4d 8b 0f 48 c7 c7 a0 45 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 1a b7 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 17 1b d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0000:ffffc900001e0a10 EFLAGS: 00010292
RAX: 6bbb0af1d3b8b100 RBX: dffffc0000000000 RCX: ffff8881080bd640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffffff8a6ddca0
R13: ffffffff8be34720 R14: ffff88812973bc90 R15: ffffffff8b8ce260
FS:  0000555594f09500(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32123ffc CR3: 000000012b91a000 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 7b 61 03 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0000:ffffc9000a027960 EFLAGS: 00000206
RAX: 6bbb0af1d3b8b100 RBX: 0000000000000000 RCX: 6bbb0af1d3b8b100
RDX: 0000000000000000 RSI: ffffffff8dba9a96 RDI: ffffffff8be33c00
RBP: ffffffff822e6e0d R08: 0000000000000000 R09: ffffffff822e6e0d
R10: dffffc0000000000 R11: fffff9400015b509 R12: 0000000000000002
R13: ffffffff8e13a0e0 R14: 0000000000000000 R15: 0000000000000246
 page_table_check_set+0x1aa/0x730
 set_pte_range+0x6a5/0x700
 finish_fault+0xcbf/0x1080
 __handle_mm_fault+0x252a/0x5440
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0xa81/0x1390
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f2988a6ec77
Code: 49 89 ee 41 83 e6 03 0f 85 0e 02 00 00 48 89 df be 04 00 00 00 e8 19 7e fe ff 48 8b 43 38 83 43 28 04 48 8d 50 fc 48 89 53 38 <44> 89 68 fc 8b 43 28 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f c3
RSP: 002b:00007ffe83acd330 EFLAGS: 00010202
RAX: 0000001b32124000 RBX: 00007f2989905720 RCX: 0000001b31d24218
RDX: 0000001b32123ffc RSI: 00000000003ffde8 RDI: 00007f2989905700
RBP: 0000000000000000 R08: 00007f2988dd6128 R09: 00007f2988dc2000
R10: 00007f2989905700 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000001f63
 </TASK>
