binder: 3799:3800 transaction failed 29201/-22, size 0-0 line 3010 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 3799:3801 transaction 5 in, still active binder: send failed reply for transaction 5 to 3799:3801 ================================================================== BUG: KASAN: use-after-free in __list_del_entry+0x1a9/0x1c0 lib/list_debug.c:60 Read of size 8 at addr ffff8801ce039d10 by task kworker/1:2/1809 CPU: 1 PID: 1809 Comm: kworker/1:2 Not tainted 4.9.93-gf6bec4e #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events binder_deferred_func ffff8801cefcfa58 ffffffff81d9c299 ffffea0007380e40 ffff8801ce039d10 0000000000000000 ffff8801ce039d10 ffffed0036e705e9 ffff8801cefcfa90 ffffffff8156534b ffff8801ce039d10 0000000000000008 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] print_address_description+0x6c/0x234 mm/kasan/report.c:256 [] kasan_report_error mm/kasan/report.c:355 [inline] [] kasan_report.cold.6+0xac/0x2f5 mm/kasan/report.c:412 [] __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 [] __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:913 [inline] [] binder_dequeue_work_head drivers/android/binder.c:933 [inline] [] binder_release_work+0x6f/0x1d0 drivers/android/binder.c:4361 [] binder_thread_release+0x425/0x520 drivers/android/binder.c:4569 [] binder_deferred_release drivers/android/binder.c:5110 [inline] [] binder_deferred_func+0x44d/0xc30 drivers/android/binder.c:5182 [] process_one_work+0x7e1/0x1500 kernel/workqueue.c:2092 [] worker_thread+0xd6/0x10a0 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Allocated by task 3801: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:505 set_track mm/kasan/kasan.c:517 [inline] kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:609 kmem_cache_alloc_trace+0xfd/0x2b0 mm/slub.c:2742 kmalloc include/linux/slab.h:490 [inline] kzalloc include/linux/slab.h:636 [inline] binder_transaction+0x8d5/0x6230 drivers/android/binder.c:3062 binder_thread_write+0xa40/0x2170 drivers/android/binder.c:3685 binder_ioctl_write_read.isra.46+0x1eb/0x810 drivers/android/binder.c:4624 binder_ioctl+0x702/0x1160 drivers/android/binder.c:4763 C_SYSC_ioctl fs/compat_ioctl.c:1602 [inline] compat_SyS_ioctl+0x126/0x1fe0 fs/compat_ioctl.c:1549 do_syscall_32_irqs_on arch/x86/entry/common.c:325 [inline] do_fast_syscall_32+0x2f7/0x870 arch/x86/entry/common.c:387 entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Freed by task 1809: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:505 set_track mm/kasan/kasan.c:517 [inline] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:582 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kfree+0xfb/0x310 mm/slub.c:3878 binder_free_transaction+0x6a/0x90 drivers/android/binder.c:2122 binder_send_failed_reply+0x1c3/0x230 drivers/android/binder.c:2161 binder_thread_release+0x413/0x520 drivers/android/binder.c:4568 binder_deferred_release drivers/android/binder.c:5110 [inline] binder_deferred_func+0x44d/0xc30 drivers/android/binder.c:5182 process_one_work+0x7e1/0x1500 kernel/workqueue.c:2092 worker_thread+0xd6/0x10a0 kernel/workqueue.c:2226 kthread+0x26d/0x300 kernel/kthread.c:211 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 The buggy address belongs to the object at ffff8801ce039d00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 16 bytes inside of 192-byte region [ffff8801ce039d00, ffff8801ce039dc0) The buggy address belongs to the page: page:ffffea0007380e40 count:1 mapcount:0 mapping: (null) index:0x0 flags: 0x8000000000000080(slab) page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801ce039c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801ce039c80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc >ffff8801ce039d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801ce039d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8801ce039e00: fc fc fc fc fc fc fc fc fc