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ODEBUG: free active (active state 0) object: ffff888106e78490 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350
WARNING: CPU: 1 PID: 20942 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0
Modules linked in:
CPU: 1 UID: 0 PID: 20942 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 77 91 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 9a b7 b2 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 97 1c d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc900001e0a10 EFLAGS: 00010292
RAX: 4056b978392ad100 RBX: dffffc0000000000 RCX: ffff88803c0e9cc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa22c R12: ffffffff8a6de5a0
R13: ffffffff8be34720 R14: ffff888106e78490 R15: ffffffff8b8ce260
FS:  0000555580541500(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff2947b69c0 CR3: 00000000274f4000 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: 0018:ffffc9000b0ff7b0 EFLAGS: 00000206
RAX: 4056b978392ad100 RBX: 0000000000000000 RCX: 4056b978392ad100
RDX: 0000000000000000 RSI: ffffffff8dba9ab8 RDI: ffffffff8be33c00
RBP: ffffffff8259ee45 R08: 0000000000000000 R09: ffffffff8259ee45
R10: dffffc0000000000 R11: ffffed10218e0731 R12: 0000000000000000
R13: ffff88803c0ea6a8 R14: 0000000000000001 R15: 0000000000000246
 _raw_spin_lock+0x2e/0x40
 task_dump_owner+0x2b5/0x4c0
 proc_pid_make_inode+0xde/0x130
 proc_pident_instantiate+0x6d/0x2b0
 proc_pident_lookup+0x1b7/0x270
 path_openat+0x1101/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff29478d590
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007ffdf9fd5d90 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007ff29478d590
RDX: 0000000000080001 RSI: 00007ff2948136c8 RDI: 00000000ffffff9c
RBP: 00007ff2948136c8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004
R13: 00007ffdf9fd5e30 R14: 000000000005c571 R15: 00007ffdf9fd63a0
 </TASK>
