binder: send failed reply for transaction 4 to 6473:6484 binder: 6489:6498 ERROR: BC_REGISTER_LOOPER called without request ================================================================== BUG: KASAN: use-after-free in __list_del_entry+0x1a9/0x1c0 lib/list_debug.c:60 Read of size 8 at addr ffff8801ce846110 by task kworker/u4:3/488 CPU: 0 PID: 488 Comm: kworker/u4:3 Not tainted 4.4.128-gbd23e3a #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: binder binder_deferred_func 0000000000000000 b5a8f4225b163e4f ffff8800bb1c7a50 ffffffff81e0daad ffffea00073a1180 ffff8801ce846110 0000000000000000 ffff8801ce846110 ffffed0016b39239 ffff8800bb1c7a88 ffffffff815150ac ffff8801ce846110 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_address_description+0x6c/0x216 mm/kasan/report.c:252 [] kasan_report_error mm/kasan/report.c:351 [inline] [] kasan_report.cold.7+0x175/0x2f7 mm/kasan/report.c:408 [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:429 [] __list_del_entry+0x1a9/0x1c0 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+0x6f/0x1d0 drivers/android/binder.c:4362 [] binder_thread_release+0x422/0x520 drivers/android/binder.c:4570 [] binder_deferred_release drivers/android/binder.c:5111 [inline] [] binder_deferred_func+0x427/0xc00 drivers/android/binder.c:5183 [] process_one_work+0x7df/0x1600 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:510 Allocated by task 6484: [] 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+0xc7/0xe0 mm/kasan/kasan.c:616 [] kmem_cache_alloc_trace+0x104/0x2c0 mm/slub.c:2642 [] kmalloc include/linux/slab.h:476 [inline] [] kzalloc include/linux/slab.h:620 [inline] [] binder_transaction+0x8d4/0x6490 drivers/android/binder.c:3063 [] binder_thread_write+0xa1f/0x2240 drivers/android/binder.c:3686 [] binder_ioctl_write_read.isra.47+0x1cd/0x920 drivers/android/binder.c:4625 [] binder_ioctl+0x7f4/0x1210 drivers/android/binder.c:4764 [] vfs_ioctl fs/ioctl.c:43 [inline] [] file_ioctl fs/ioctl.c:470 [inline] [] do_vfs_ioctl+0x63f/0xf40 fs/ioctl.c:605 [] SYSC_ioctl fs/ioctl.c:622 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613 [] entry_SYSCALL_64_fastpath+0x22/0x9e Freed by task 488: [] 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+0xf4/0x310 mm/slub.c:3749 [] binder_free_transaction+0x6a/0x90 drivers/android/binder.c:2123 [] binder_send_failed_reply+0x1c3/0x230 drivers/android/binder.c:2162 [] binder_thread_release+0x410/0x520 drivers/android/binder.c:4569 [] binder_deferred_release drivers/android/binder.c:5111 [inline] [] binder_deferred_func+0x427/0xc00 drivers/android/binder.c:5183 [] process_one_work+0x7df/0x1600 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:510 The buggy address belongs to the object at ffff8801ce846100 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 16 bytes inside of 192-byte region [ffff8801ce846100, ffff8801ce8461c0) 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+0x2aa/0x5f0 kernel/locking/lockdep.c:1040()