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ODEBUG: free active (active state 0) object: ffff88810b3da090 object type: timer_list hint: rose_t0timer_expiry+0x0/0x560
WARNING: lib/debugobjects.c:615 at debug_check_no_obj_freed+0x405/0x550, CPU#0: modprobe/6167
Modules linked in:
CPU: 0 UID: 0 PID: 6167 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_check_no_obj_freed+0x44a/0x550
Code: 89 44 24 20 e8 e7 55 77 fd 48 8b 44 24 20 4c 8b 4d 00 4c 89 ef 48 c7 c6 c0 b4 27 8c 48 c7 c2 40 ba 27 8c 8b 0c 24 4d 89 f8 50 <67> 48 0f b9 3a 48 83 c4 08 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc
RSP: 0018:ffffc90000007b68 EFLAGS: 00010246
RAX: ffffffff8a9586f0 RBX: ffffffff9a4fb220 RCX: 0000000000000000
RDX: ffffffff8c27ba40 RSI: ffffffff8c27b4c0 RDI: ffffffff901c4e50
RBP: ffffffff8bcf3c40 R08: ffff88810b3da090 R09: ffffffff8bcf4f60
R10: dffffc0000000000 R11: ffffffff81b1d880 R12: ffff88810b3da200
R13: ffffffff901c4e50 R14: ffff88810b3da000 R15: ffff88810b3da090
FS:  00007f80492f5380(0000) GS:ffff88818de63000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa23d3e9e80 CR3: 0000000112bb4000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 kfree+0x13a/0x630
 rose_timer_expiry+0x4cb/0x600
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__sanitizer_cov_trace_pc+0x10/0x70
Code: de 5b e9 03 97 5e 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d 28 44 56 11 <65> 8b 15 49 44 56 11 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
RSP: 0018:ffffc90007b477f8 EFLAGS: 00000286
RAX: ffffffff821147d7 RBX: ffff88810b9a3e00 RCX: ffff88816fff9d00
RDX: 0000000000000000 RSI: ffff888112da65a8 RDI: ffff88810b9a3e00
RBP: dffffc0000000000 R08: ffff888112da663f R09: 1ffff110225b4cc7
R10: dffffc0000000000 R11: ffffed10225b4cc8 R12: ffffc90007b479a0
R13: 0000000000000005 R14: ffff888112da65a8 R15: 0000000000000020
 vma_interval_tree_remove+0x27/0x9a0
 unlink_file_vma_batch_process+0x231/0x340
 unlink_file_vma_batch_add+0xf3/0x1e0
 free_pgtables+0x846/0xb70
 exit_mmap+0x490/0xa10
 __mmput+0x118/0x430
 exit_mm+0x168/0x220
 do_exit+0x62e/0x2320
 do_group_exit+0x21b/0x2d0
 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x221a/0x2240
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f804942fa90
Code: Unable to access opcode bytes at 0x7f804942fa66.
RSP: 002b:00007ffe23c45d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f8049520860 RCX: 00007f804942fa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f8049520860 R08: 00007ffe23c45bc0 R09: 00007ffe23c45ca0
R10: 00007ffe23c45c00 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f8049524658 R15: 0000000000000001
 </TASK>
