binder: 11630:11669 transaction failed 29189/-3, size 0-0 line 3128
binder_alloc: 11630: binder_alloc_buf, no vma
binder: 11630:11683 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 ffff8800b2e8f4b8 by task syz-executor5/11669

CPU: 1 PID: 11669 Comm: syz-executor5 Not tainted 4.4.112-g3fc4284 #32
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 9e3115c85a5b6f37 ffff8801d3ecf560 ffffffff81d054ed
 ffffea0002cba380 ffff8800b2e8f4b8 0000000000000000 ffff8800b2e8f4b8
 0000000000000000 ffff8801d3ecf598 ffffffff814fd953 ffff8800b2e8f4b8
Call Trace:
 [<ffffffff81d054ed>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d054ed>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fd953>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fde65>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fde65>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fdfc4>] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429
 [<ffffffff81239c7e>] __lock_acquire+0x387e/0x4b50 kernel/locking/lockdep.c:3092
 [<ffffffff8123c7be>] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592
 [<ffffffff83775dbe>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:112 [inline]
 [<ffffffff83775dbe>] _raw_spin_lock_irqsave+0x4e/0x70 kernel/locking/spinlock.c:159
 [<ffffffff8121f164>] remove_wait_queue+0x14/0x40 kernel/sched/wait.c:49
 [<ffffffff815f6d58>] ep_remove_wait_queue fs/eventpoll.c:530 [inline]
 [<ffffffff815f6d58>] ep_unregister_pollwait.isra.6+0xa8/0x220 fs/eventpoll.c:548
 [<ffffffff815f77a1>] ep_remove+0x41/0x290 fs/eventpoll.c:711
 [<ffffffff815f9795>] eventpoll_release_file+0xc5/0x140 fs/eventpoll.c:935
 [<ffffffff81523281>] eventpoll_release include/linux/eventpoll.h:61 [inline]
 [<ffffffff81523281>] __fput+0x521/0x6d0 fs/file_table.c:199
 [<ffffffff815234b5>] ____fput+0x15/0x20 fs/file_table.c:244
 [<ffffffff8118bb54>] task_work_run+0x104/0x180 kernel/task_work.c:115
 [<ffffffff81132f21>] exit_task_work include/linux/task_work.h:21 [inline]
 [<ffffffff81132f21>] do_exit+0x871/0x2a20 kernel/exit.c:755
 [<ffffffff81139398>] do_group_exit+0x108/0x320 kernel/exit.c:885
 [<ffffffff8115c895>] 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
 [<ffffffff8377635d>] int_ret_from_sys_call+0x25/0xa3

Allocated by task 11651:
 [<ffffffff81035df6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fc9c3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fcc8d>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fcc8d>] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616
 [<ffffffff814f8c00>] kmem_cache_alloc_trace+0x100/0x2b0 mm/slub.c:2642
 [<ffffffff82c7f331>] kmalloc include/linux/slab.h:476 [inline]
 [<ffffffff82c7f331>] kzalloc include/linux/slab.h:620 [inline]
 [<ffffffff82c7f331>] binder_get_thread+0x181/0x7a0 drivers/android/binder.c:4452
 [<ffffffff82c93654>] binder_ioctl+0x1c4/0x12e0 drivers/android/binder.c:4727
 [<ffffffff815599ca>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff815599ca>] do_vfs_ioctl+0x7aa/0xee0 fs/ioctl.c:607
 [<ffffffff8155a18f>] SYSC_ioctl fs/ioctl.c:622 [inline]
 [<ffffffff8155a18f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613
 [<ffffffff837761d9>] entry_SYSCALL_64_fastpath+0x16/0x92

Freed by task 11651:
 [<ffffffff81035df6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fc9c3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fd2e2>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fd2e2>] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589
 [<ffffffff814f9d6c>] slab_free_hook mm/slub.c:1383 [inline]
 [<ffffffff814f9d6c>] slab_free_freelist_hook mm/slub.c:1405 [inline]
 [<ffffffff814f9d6c>] slab_free mm/slub.c:2859 [inline]
 [<ffffffff814f9d6c>] kfree+0xfc/0x300 mm/slub.c:3749
 [<ffffffff82c78881>] binder_free_thread drivers/android/binder.c:4480 [inline]
 [<ffffffff82c78881>] binder_thread_dec_tmpref+0x1c1/0x250 drivers/android/binder.c:2036
 [<ffffffff82c793bd>] binder_thread_release+0x27d/0x540 drivers/android/binder.c:4544
 [<ffffffff82c94024>] binder_ioctl+0xb94/0x12e0 drivers/android/binder.c:4760
 [<ffffffff815599ca>] vfs_ioctl fs/ioctl.c:43 [inline]
 [<ffffffff815599ca>] do_vfs_ioctl+0x7aa/0xee0 fs/ioctl.c:607
 [<ffffffff8155a18f>] SYSC_ioctl fs/ioctl.c:622 [inline]
 [<ffffffff8155a18f>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613
 [<ffffffff837761d9>] entry_SYSCALL_64_fastpath+0x16/0x92

The buggy address belongs to the object at ffff8800b2e8f400
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 184 bytes inside of
 512-byte region [ffff8800b2e8f400, ffff8800b2e8f600)
The buggy address belongs to the page:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 11684 Comm: syz-executor3 Not tainted 4.4.112-g3fc4284 #32
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8800b742af80 task.stack: ffff8801d4360000
RIP: 0010:[<ffffffff81d22d18>]  [<ffffffff81d22d18>] timerqueue_add+0xb8/0x2a0 lib/timerqueue.c:51
RSP: 0018:ffff8801db207d70  EFLAGS: 00010806
RAX: ffffed003b64338b RBX: ffff8801db219c40 RCX: ffffffff81d22cfc
RDX: 1d1a89b13fffffe7 RSI: ffff8801db219c40 RDI: e8d44d89ffffff39
RBP: ffff8801db207db0 R08: ffffffff85808f08 R09: 0000000000000001
R10: 0000000000000000 R11: 1ffff1003b640f62 R12: dffffc0000000000
R13: e8d44d89ffffff21 R14: 0000000e9fc48a80 R15: ffffffff8148feb9
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ac1ff0 CR3: 000000000420c000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801db219c58 ffff8801db219710 ffffed003b64338b ffff8801db219700
 ffff8801db219c40 ffff8801db219640 0000000000000001 0000000000000000
 ffff8801db207de8 ffffffff812aad18 ffff8801db219c40 0000000000000001
Call Trace:
 <IRQ> 
 [<ffffffff812aad18>] enqueue_hrtimer+0x168/0x450 kernel/time/hrtimer.c:890
 [<ffffffff812acda2>] __run_hrtimer kernel/time/hrtimer.c:1268 [inline]
 [<ffffffff812acda2>] __hrtimer_run_queues+0x732/0xfe0 kernel/time/hrtimer.c:1317
 [<ffffffff812aee46>] hrtimer_interrupt+0x1a6/0x440 kernel/time/hrtimer.c:1351
 [<ffffffff810b0dda>] local_apic_timer_interrupt+0x6a/0xb0 arch/x86/kernel/apic/apic.c:901
 [<ffffffff83778e36>] smp_apic_timer_interrupt+0x76/0xa0 arch/x86/kernel/apic/apic.c:925
 [<ffffffff83777d90>] apic_timer_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:725
 <EOI> 
 [<ffffffff812e30c1>] smp_call_function_many+0x481/0x710 kernel/smp.c:435
 [<ffffffff810ed67e>] native_flush_tlb_others+0xfe/0x710 arch/x86/mm/tlb.c:292
 [<ffffffff810edd93>] flush_tlb_others arch/x86/include/asm/paravirt.h:338 [inline]
 [<ffffffff810edd93>] flush_tlb_mm_range+0x103/0x560 arch/x86/mm/tlb.c:358
 [<ffffffff81494d90>] tlb_flush_mmu_tlbonly+0xc0/0x2f0 mm/memory.c:242
 [<ffffffff814998e7>] zap_pte_range mm/memory.c:1206 [inline]
 [<ffffffff814998e7>] zap_pmd_range mm/memory.c:1262 [inline]
 [<ffffffff814998e7>] zap_pud_range mm/memory.c:1283 [inline]
 [<ffffffff814998e7>] unmap_page_range mm/memory.c:1307 [inline]
 [<ffffffff814998e7>] unmap_single_vma+0xd37/0x12d0 mm/memory.c:1352
 [<ffffffff8149b7e1>] unmap_vmas+0x81/0xd0 mm/memory.c:1382
 [<ffffffff814b3c64>] exit_mmap+0x1d4/0x3a0 mm/mmap.c:2924
 [<ffffffff81123498>] __mmput kernel/fork.c:715 [inline]
 [<ffffffff81123498>] mmput+0xf8/0x2d0 kernel/fork.c:735
 [<ffffffff81132e0b>] exit_mm kernel/exit.c:440 [inline]
 [<ffffffff81132e0b>] do_exit+0x75b/0x2a20 kernel/exit.c:742
 [<ffffffff81139398>] do_group_exit+0x108/0x320 kernel/exit.c:885
 [<ffffffff8115c895>] 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
 [<ffffffff8377635d>] int_ret_from_sys_call+0x25/0xa3
Code: 00 00 4d 8b 2f 4d 85 ed 74 3d e8 54 d1 63 ff 48 8b 45 d0 80 38 00 0f 85 b0 01 00 00 49 8d 7d 18 4c 8b 73 18 48 89 fa 48 c1 ea 03 <42> 80 3c 22 00 0f 85 d2 01 00 00 4d 3b 75 18 7c a3 e8 22 d1 63 
RIP  [<ffffffff81d22d18>] timerqueue_add+0xb8/0x2a0 lib/timerqueue.c:51
 RSP <ffff8801db207d70>
---[ end trace 3ac3bd852bc26d5a ]---