binder: 11617:11655 transaction failed 29189/-3, size 0-0 line 3128
binder: 11617:11634 ERROR: BC_REGISTER_LOOPER called without request
binder_alloc: 11642: binder_alloc_buf, no vma
binder: 11642:11656 transaction failed 29189/-3, size 0-0 line 3128
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x387e/0x4b50 kernel/locking/lockdep.c:3092
Read of size 8 at addr ffff8800b5cc05b8 by task syz-executor1/11647

CPU: 1 PID: 11647 Comm: syz-executor1 Not tainted 4.4.111-g1849cd3 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 3baddf563eae42c0 ffff8801d1dcf580 ffffffff81d0509d
 ffffea0002d73000 ffff8800b5cc05b8 0000000000000000 ffff8800b5cc05b8
 0000000000000000 ffff8801d1dcf5b8 ffffffff814fd433 ffff8800b5cc05b8
Call Trace:
 [<ffffffff81d0509d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d0509d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fd433>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fd945>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fd945>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fdaa4>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429
 [<ffffffff81239cae>] __lock_acquire+0x387e/0x4b50 kernel/locking/lockdep.c:3092
 [<ffffffff8123c7ee>] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592
 [<ffffffff8377546e>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:112 [inline]
 [<ffffffff8377546e>] _raw_spin_lock_irqsave+0x4e/0x70 kernel/locking/spinlock.c:159
 [<ffffffff8121f194>] remove_wait_queue+0x14/0x40 kernel/sched/wait.c:49
 [<ffffffff815f6838>] ep_remove_wait_queue fs/eventpoll.c:530 [inline]
 [<ffffffff815f6838>] ep_unregister_pollwait.isra.6+0xa8/0x220 fs/eventpoll.c:548
 [<ffffffff815f7563>] ep_free+0x93/0x1c0 fs/eventpoll.c:765
 [<ffffffff815f76d4>] ep_eventpoll_release+0x44/0x60 fs/eventpoll.c:797
 [<ffffffff81522a73>] __fput+0x233/0x6d0 fs/file_table.c:208
 [<ffffffff81522f95>] ____fput+0x15/0x20 fs/file_table.c:244
 [<ffffffff8118bae4>] task_work_run+0x104/0x180 kernel/task_work.c:115
 [<ffffffff81132eb1>] exit_task_work include/linux/task_work.h:21 [inline]
 [<ffffffff81132eb1>] do_exit+0x871/0x2a20 kernel/exit.c:755
 [<ffffffff81139328>] do_group_exit+0x108/0x320 kernel/exit.c:885
 [<ffffffff8115c825>] get_signal+0x565/0x1660 kernel/signal.c:2317
 [<ffffffff8100e7fb>] do_signal+0x8b/0x1d40 arch/x86/kernel/signal.c:712
 [<ffffffff81003602>] exit_to_usermode_loop+0x122/0x170 arch/x86/entry/common.c:247
 [<ffffffff81006545>] prepare_exit_to_usermode arch/x86/entry/common.c:282 [inline]
 [<ffffffff81006545>] syscall_return_slowpath+0x1b5/0x1f0 arch/x86/entry/common.c:347
 [<ffffffff83775a1d>] int_ret_from_sys_call+0x25/0xa3

Allocated by task 11647:
 [<ffffffff81035d26>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fc4a3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fc76d>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fc76d>] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616
 [<ffffffff814f86e0>] kmem_cache_alloc_trace+0x100/0x2b0 mm/slub.c:2642
 [<ffffffff82c7ec51>] kmalloc include/linux/slab.h:476 [inline]
 [<ffffffff82c7ec51>] kzalloc include/linux/slab.h:620 [inline]
 [<ffffffff82c7ec51>] binder_get_thread+0x181/0x7a0 drivers/android/binder.c:4452
 [<ffffffff82c7f2ba>] binder_poll+0x4a/0x210 drivers/android/binder.c:4555
 [<ffffffff815fa6c1>] ep_item_poll fs/eventpoll.c:806 [inline]
 [<ffffffff815fa6c1>] ep_insert fs/eventpoll.c:1319 [inline]
 [<ffffffff815fa6c1>] SYSC_epoll_ctl fs/eventpoll.c:1934 [inline]
 [<ffffffff815fa6c1>] SyS_epoll_ctl+0x10b1/0x2050 fs/eventpoll.c:1833
 [<ffffffff83775899>] entry_SYSCALL_64_fastpath+0x16/0x92

Freed by task 11647:
 [<ffffffff81035d26>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fc4a3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fcdc2>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fcdc2>] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589
 [<ffffffff814f984c>] slab_free_hook mm/slub.c:1383 [inline]
 [<ffffffff814f984c>] slab_free_freelist_hook mm/slub.c:1405 [inline]
 [<ffffffff814f984c>] slab_free mm/slub.c:2859 [inline]
 [<ffffffff814f984c>] kfree+0xfc/0x300 mm/slub.c:3749
 [<ffffffff82c781a1>] binder_free_thread drivers/android/binder.c:4480 [inline]
 [<ffffffff82c781a1>] binder_thread_dec_tmpref+0x1c1/0x250 drivers/android/binder.c:2036
 [<ffffffff82c78cdd>] binder_thread_release+0x27d/0x540 drivers/android/binder.c:4544
 [<ffffffff82c93944>] binder_ioctl+0xb94/0x12e0 drivers/android/binder.c:4760
 [<ffffffff815594aa>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff815594aa>] do_vfs_ioctl+0x7aa/0xee0 fs/ioctl.c:607
 [<ffffffff81559c6f>] SYSC_ioctl fs/ioctl.c:622 [inline]
 [<ffffffff81559c6f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613
 [<ffffffff83775899>] entry_SYSCALL_64_fastpath+0x16/0x92

The buggy address belongs to the object at ffff8800b5cc0500
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 184 bytes inside of
 512-byte region [ffff8800b5cc0500, ffff8800b5cc0700)
The buggy address belongs to the page:
------------[ cut here ]------------
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u4:0 Not tainted 4.4.111-g1849cd3 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: binder binder_deferred_func
task: ffff8801da370000 task.stack: ffff8801da378000
RIP: 0010:[<ffffffff81d16300>]  [<ffffffff81d16300>] __rb_change_child include/linux/rbtree_augmented.h:125 [inline]
RIP: 0010:[<ffffffff81d16300>]  [<ffffffff81d16300>] __rb_rotate_set_parents lib/rbtree.c:93 [inline]
RIP: 0010:[<ffffffff81d16300>]  [<ffffffff81d16300>] __rb_insert lib/rbtree.c:181 [inline]
RIP: 0010:[<ffffffff81d16300>]  [<ffffffff81d16300>] rb_insert_color+0x1d0/0xcb0 lib/rbtree.c:420
RSP: 0018:ffff8801db207d18  EFLAGS: 00010006
RAX: ffff8801db219c40 RBX: ffffea0002d73000 RCX: 0800000000000812
RDX: dffffc0000000000 RSI: ffff8801db219710 RDI: ffffea0002d73010
RBP: ffff8801db207d60 R08: ffffffff85807f08 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff1003b640f62 R12: 4000000000004090
R13: 4000000000004080 R14: 4000000000004080 R15: ffff8801db219c48
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000206ffff8 CR3: 00000001d2cbc000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff842bcb20 ffff8801da370870 0000000000000003 ffff8801db207d70
 ffff8801db219c40 dffffc0000000000 0000000000000000 ffff8801db219710
 ffff8801d1487e00 ffff8801db207db0 ffffffff81d22967 ffff8801db219c58
Call Trace:
 <IRQ> 
 [<ffffffff81d22967>] timerqueue_add+0x157/0x2a0 lib/timerqueue.c:57
 [<ffffffff812aad48>] enqueue_hrtimer+0x168/0x450 kernel/time/hrtimer.c:890
 [<ffffffff812acdd2>] __run_hrtimer kernel/time/hrtimer.c:1268 [inline]
 [<ffffffff812acdd2>] __hrtimer_run_queues+0x732/0xfe0 kernel/time/hrtimer.c:1317
 [<ffffffff812aee76>] hrtimer_interrupt+0x1a6/0x440 kernel/time/hrtimer.c:1351
 [<ffffffff810b091a>] local_apic_timer_interrupt+0x6a/0xb0 arch/x86/kernel/apic/apic.c:901
 [<ffffffff837784f6>] smp_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:925
 [<ffffffff83777450>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:725
 <EOI> 
 [<ffffffff812e30f1>] smp_call_function_many+0x481/0x710 kernel/smp.c:435
 [<ffffffff812e33dd>] smp_call_function+0x5d/0xa0 kernel/smp.c:491
 [<ffffffff812e344f>] on_each_cpu+0x2f/0xc0 kernel/smp.c:597
 [<ffffffff810ee2d6>] flush_tlb_kernel_range+0xc6/0xd0 arch/x86/mm/tlb.c:397
 [<ffffffff814c29fb>] unmap_kernel_range+0x2b/0x30 mm/vmalloc.c:1290
 [<ffffffff82c9a62c>] binder_alloc_deferred_release+0x2dc/0x640 drivers/android/binder_alloc.c:789
 [<ffffffff82c77c77>] binder_free_proc drivers/android/binder.c:4468 [inline]
 [<ffffffff82c77c77>] binder_proc_dec_tmpref+0x157/0x200 drivers/android/binder.c:2061
 [<ffffffff82c7dfc4>] binder_deferred_release drivers/android/binder.c:5128 [inline]
 [<ffffffff82c7dfc4>] binder_deferred_func+0x9d4/0xd10 drivers/android/binder.c:5154
 [<ffffffff8117fe37>] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064
 [<ffffffff81180e1f>] worker_thread+0xdf/0xfe0 kernel/workqueue.c:2196
 [<ffffffff811908e8>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff83775c9f>] ret_from_fork+0x3f/0x70 arch/x86/entry/entry_64.S:494
Code: 48 c1 e9 03 80 3c 11 00 0f 85 83 06 00 00 4d 85 ed 48 89 03 74 5b 4d 8d 65 10 48 ba 00 00 00 00 00 fc ff df 4c 89 e1 48 c1 e9 03 <80> 3c 11 00 0f 85 19 07 00 00 49 3b 5d 10 0f 84 eb 04 00 00 49 
RIP  [<ffffffff81d16300>] __rb_change_child include/linux/rbtree_augmented.h:125 [inline]
RIP  [<ffffffff81d16300>] __rb_rotate_set_parents lib/rbtree.c:93 [inline]
RIP  [<ffffffff81d16300>] __rb_insert lib/rbtree.c:181 [inline]
RIP  [<ffffffff81d16300>] rb_insert_color+0x1d0/0xcb0 lib/rbtree.c:420
 RSP <ffff8801db207d18>
---[ end trace c5218d19e892c7b2 ]---