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ODEBUG: free active (active state 0) object: ffff88812ecfd090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 8500 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 8500 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 c7 c9 52 fd 4d 8b 0f 48 c7 c7 20 42 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 da f1 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 d7 6b d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a10 EFLAGS: 00010292
RAX: 16eefe787efeb100 RBX: dffffc0000000000 RCX: ffff8881053ed640
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffffffff8a6d60c0
R13: ffffffff8be343a0 R14: ffff88812ecfd090 R15: ffffffff8b8ce020
FS:  0000555589ca2500(0000) GS:ffff8880b8614000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb592af56c0 CR3: 000000010f292000 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:copy_pmd_range+0x9f5/0x71d0
Code: 00 48 8b 5c 24 78 4c 29 e3 48 c1 eb 0c 4d 8b 37 41 83 e6 40 31 ff 4c 89 f6 e8 a7 06 b4 ff bf 01 00 00 00 89 de e8 fb 05 b4 ff <83> fb 01 74 09 4d 85 f6 0f 85 39 1f 00 00 e8 a8 01 b4 ff 4d 89 ee
RSP: 0018:ffffc9000a0073a0 EFLAGS: 00000293
RAX: ffffffff820bac95 RBX: 00000000000001b6 RCX: 0000000000000000
RDX: ffff8881053ed640 RSI: 00000000000001b6 RDI: 0000000000000001
RBP: ffffc9000a007630 R08: ffffea0004acf5c7 R09: 1ffffd4000959eb8
R10: dffffc0000000000 R11: fffff94000959eb9 R12: 00007fb590a4a000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffea0004acf5c0
 copy_page_range+0xc14/0x1270
 dup_mmap+0xf57/0x1ac0
 copy_mm+0x13c/0x4b0
 copy_process+0x1706/0x3c00
 kernel_clone+0x21e/0x840
 __x64_sys_clone+0x18b/0x1e0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb591d85453
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffe8f2a5108 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb591d85453
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 0000555589ca27d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 0000000000075559 R15: 00007ffe8f2a52a0
 </TASK>
