binder: undelivered TRANSACTION_ERROR: 29189 binder: release 3876:3879 transaction 42 in, still active binder: send failed reply for transaction 42 to 3876:3879 IPVS: Creating netns size=2552 id=7 ================================================================== BUG: KASAN: use-after-free in __list_del_entry+0x196/0x1d0 lib/list_debug.c:60 Read of size 8 at addr ffff8801d174e310 by task kworker/u4:0/6 CPU: 0 PID: 6 Comm: kworker/u4:0 Not tainted 4.4.120-gd63fdf6 #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: binder binder_deferred_func 0000000000000000 1e83c01fd5e8a2fa ffff8801d9b1fa58 ffffffff81d0408d ffffea000745d380 ffff8801d174e310 0000000000000000 ffff8801d174e310 ffffed003b233779 ffff8801d9b1fa90[ 29.683962] binder: 3904:3905 ERROR: BC_REGISTER_LOOPER called without request ffffffff814fe143 ffff8801d174e310 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_address_description+0x73/0x260 mm/kasan/report.c:252 binder: release 3904:3905 transaction 49 out, still active binder: release 3904:3905 transaction 48 in, still active binder: undelivered TRANSACTION_COMPLETE binder: 3904:3907 IncRefs 0 refcount change on invalid ref 2 ret -22 binder: 3904:3907 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 3904:3907 BC_FREE_BUFFER u0000000000000000 no match binder: 3904:3907 ERROR: BC_REGISTER_LOOPER called without request binder: 3904:3907 ERROR: BC_ENTER_LOOPER called after BC_REGISTER_LOOPER binder: 3904:3907 DecRefs 0 refcount change on invalid ref 3 ret -22 [] kasan_report_error mm/kasan/report.c:351 [inline] [] kasan_report+0x285/0x370 mm/kasan/report.c:408 [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429 [] __list_del_entry+0x196/0x1d0 lib/list_debug.c:60 [] list_del_init include/linux/list.h:145 [inline] [] binder_dequeue_work_head_ilocked drivers/android/binder.c:914 [inline] [] binder_dequeue_work_head drivers/android/binder.c:934 [inline] [] binder_release_work+0x6e/0x260 drivers/android/binder.c:4356 [] binder_thread_release+0x425/0x600 drivers/android/binder.c:4564 [] binder_deferred_release drivers/android/binder.c:5105 [inline] [] binder_deferred_func+0x438/0xd10 drivers/android/binder.c:5177 [] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064 [] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:506 Allocated by task 3879: [] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [] save_stack+0x43/0xd0 mm/kasan/kasan.c:512 [] set_track mm/kasan/kasan.c:524 [inline] [] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616 [] kmem_cache_alloc_trace+0x100/0x2b0 mm/slub.c:2642 [] kmalloc include/linux/slab.h:476 [inline] [] kzalloc include/linux/slab.h:620 [inline] [] binder_transaction+0x103c/0x7290 drivers/android/binder.c:3057 [] binder_thread_write+0x81f/0x33e0 drivers/android/binder.c:3680 [] binder_ioctl_write_read.isra.55+0x1cf/0xbc0 drivers/android/binder.c:4619 [] binder_ioctl+0xc50/0x12e0 drivers/android/binder.c:4758 [] C_SYSC_ioctl fs/compat_ioctl.c:1592 [inline] [] compat_SyS_ioctl+0x28a/0x2540 fs/compat_ioctl.c:1544 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Freed by task 6: [] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [] save_stack+0x43/0xd0 mm/kasan/kasan.c:512 [] set_track mm/kasan/kasan.c:524 [inline] [] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589 [] slab_free_hook mm/slub.c:1383 [inline] [] slab_free_freelist_hook mm/slub.c:1405 [inline] [] slab_free mm/slub.c:2859 [inline] [] kfree+0xfc/0x300 mm/slub.c:3749 [] binder_free_transaction+0x6a/0x90 drivers/android/binder.c:2123 [] binder_send_failed_reply+0x185/0x3a0 drivers/android/binder.c:2156 [] binder_thread_release+0x413/0x600 drivers/android/binder.c:4563 [] binder_deferred_release drivers/android/binder.c:5105 [inline] [] binder_deferred_func+0x438/0xd10 drivers/android/binder.c:5177 [] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064 [] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:506 The buggy address belongs to the object at ffff8801d174e300 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 16 bytes inside of 192-byte region [ffff8801d174e300, ffff8801d174e3c0) The buggy address belongs to the page: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:973 lock_accessed kernel/locking/lockdep.c:973 [inline]() WARNING: CPU: 1 PID: 0 at kernel/locking/lockdep.c:973 __bfs+0x2c4/0x5d0 kernel/locking/lockdep.c:1040()