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ODEBUG: free active (active state 0) object: ffff88810aae6090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 0 PID: 14077 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 0 UID: 0 PID: 14077 Comm: modprobe 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 e7 cb 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 7a f6 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 77 75 d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a10 EFLAGS: 00010292
RAX: de470c0334d25200 RBX: dffffc0000000000 RCX: ffff88810a4cb980
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1f4 R12: ffffffff8a6ce7c0
R13: ffffffff8be343a0 R14: ffff88810aae6090 R15: ffffffff8b8ce020
FS:  00007ff7391c7380(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff739243440 CR3: 000000011eaea000 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:unwind_get_return_address+0x1d/0x90
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 4c 83 3b 00 74 3a 48 83 c3 48 49 89 df 49
RSP: 0018:ffffc900080673c8 EFLAGS: 00000a06
RAX: 1ffff9200100ce7d RBX: ffffc900080673e8 RCX: de470c0334d25200
RDX: 0000000000000001 RSI: ffffffff8dba8220 RDI: ffffc900080673e8
RBP: ffffc90008067470 R08: ffffc90008067e78 R09: 0000000000000000
R10: ffffc90008067438 R11: fffff5200100ce89 R12: ffff88810a4cb980
R13: ffff8880326c14c0 R14: dffffc0000000000 R15: ffffc900080673e8
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_cache_noprof+0x230/0x3d0
 kmem_cache_free+0x166/0x400
 __put_anon_vma+0x12b/0x2d0
 unlink_anon_vmas+0x503/0x670
 free_pgtables+0x72b/0x9c0
 exit_mmap+0x444/0xb50
 __mmput+0x118/0x420
 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: 0033:0x7ff739301a90
Code: Unable to access opcode bytes at 0x7ff739301a66.
RSP: 002b:00007ffd94b37838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007ff7393f2860 RCX: 00007ff739301a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007ff7393f2860 R08: 00007ffd94b376b0 R09: 00007ffd94b37790
R10: 00007ffd94b376f0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff7393f6658 R15: 0000000000000001
 </TASK>
