sda: sda1 usbcore: registered new interface driver usbhid usbhid: USB HID core driver ion_heap_create: Heap type is disabled: 1 kasan: CONFIG_KASAN_INLINE enabled[ 3.357027] sd 0:0:1:0: [sda] Attached SCSI disk kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.4.176+ #45 ================================================================== BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] BUG: KASAN: use-after-free in do_raw_spin_lock+0x2e6/0x370 kernel/locking/spinlock_debug.c:135 Read of size 4 at addr ffff8801d8036fb4 by task system/344 CPU: 0 PID: 344 Comm: system Not tainted 4.4.176+ #45 0000000000000000 777772bd6cf362ee ffff8800b9f57ba8 ffffffff81aad8d1 0000000000000000 ffffea0007600d80 ffff8801d8036fb4 0000000000000004 ffff8801da5ff980 ffff8800b9f57be0 ffffffff81490790 0000000000000000 Call Trace: [<ffffffff81aad8d1>] __dump_stack lib/dump_stack.c:15 [inline] [<ffffffff81aad8d1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<ffffffff81490790>] print_address_description+0x6f/0x21b mm/kasan/report.c:252 [<ffffffff814909c8>] kasan_report_error mm/kasan/report.c:351 [inline] [<ffffffff814909c8>] kasan_report mm/kasan/report.c:408 [inline] [<ffffffff814909c8>] kasan_report.cold+0x8c/0x2be mm/kasan/report.c:393 [<ffffffff81485524>] __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:428 [<ffffffff8120ef16>] debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] [<ffffffff8120ef16>] do_raw_spin_lock+0x2e6/0x370 kernel/locking/spinlock_debug.c:135 [<ffffffff82718980>] __raw_spin_lock include/linux/spinlock_api_smp.h:145 [inline] [<ffffffff82718980>] _raw_spin_lock+0x40/0x50 kernel/locking/spinlock.c:151 [<ffffffff82113110>] spin_lock include/linux/spinlock.h:302 [inline] [<ffffffff82113110>] ion_heap_freelist_size drivers/staging/android/ion/ion_heap.c:176 [inline] [<ffffffff82113110>] ion_heap_deferred_free+0x100/0x500 drivers/staging/android/ion/ion_heap.c:232 [<ffffffff81134883>] kthread+0x273/0x310 kernel/kthread.c:211 [<ffffffff82719c85>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Allocated by task 1: [<ffffffff8102e3c6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [<ffffffff81484592>] save_stack mm/kasan/kasan.c:512 [inline] [<ffffffff81484592>] set_track mm/kasan/kasan.c:524 [inline] [<ffffffff81484592>] kasan_kmalloc.part.0+0x62/0xf0 mm/kasan/kasan.c:616 [<ffffffff81484807>] kasan_kmalloc+0xb7/0xd0 mm/kasan/kasan.c:601 [<ffffffff81480813>] kmem_cache_alloc_trace+0x123/0x2d0 mm/slub.c:2642 [<ffffffff82116bfb>] kmalloc include/linux/slab.h:476 [inline] [<ffffffff82116bfb>] kzalloc include/linux/slab.h:620 [inline] [<ffffffff82116bfb>] ion_system_heap_create+0x4b/0x2c0 drivers/staging/android/ion/ion_system_heap.c:283 [<ffffffff82113666>] ion_heap_create+0x156/0x1b0 drivers/staging/android/ion/ion_heap.c:328 [<ffffffff8324cc91>] ion_dummy_init+0x1e5/0x36d drivers/staging/android/ion/ion_dummy_driver.c:106 [<ffffffff810003fb>] do_one_initcall+0x13b/0x260 init/main.c:793 [<ffffffff831d5bce>] do_initcall_level init/main.c:858 [inline] [<ffffffff831d5bce>] do_initcalls init/main.c:866 [inline] [<ffffffff831d5bce>] do_basic_setup init/main.c:884 [inline] [<ffffffff831d5bce>] kernel_init_freeable+0x2fa/0x3c3 init/main.c:1029 [<ffffffff827062f4>] kernel_init+0x12/0x15e init/main.c:957 [<ffffffff82719c85>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Freed by task 1: [<ffffffff8102e3c6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63 [<ffffffff81484e90>] save_stack mm/kasan/kasan.c:512 [inline] [<ffffffff81484e90>] set_track mm/kasan/kasan.c:524 [inline] [<ffffffff81484e90>] kasan_slab_free+0xb0/0x190 mm/kasan/kasan.c:589 [<ffffffff814822b4>] slab_free_hook mm/slub.c:1383 [inline] [<ffffffff814822b4>] slab_free_freelist_hook mm/slub.c:1405 [inline] [<ffffffff814822b4>] slab_free mm/slub.c:2859 [inline] [<ffffffff814822b4>] kfree+0xf4/0x310 mm/slub.c:3749 [<ffffffff82116f0a>] ion_system_heap_destroy+0x9a/0xc0 drivers/staging/android/ion/ion_system_heap.c:323 [<ffffffff8211372a>] ion_heap_destroy+0x6a/0xd0 drivers/staging/android/ion/ion_heap.c:369 [<ffffffff8324cd6d>] ion_dummy_init+0x2c1/0x36d drivers/staging/android/ion/ion_dummy_driver.c:116 [<ffffffff810003fb>] do_one_initcall+0x13b/0x260 init/main.c:793 [<ffffffff831d5bce>] do_initcall_level init/main.c:858 [inline] [<ffffffff831d5bce>] do_initcalls init/main.c:866 [inline] [<ffffffff831d5bce>] do_basic_setup init/main.c:884 [inline] [<ffffffff831d5bce>] kernel_init_freeable+0x2fa/0x3c3 init/main.c:1029 [<ffffffff827062f4>] kernel_init+0x12/0x15e init/main.c:957 [<ffffffff82719c85>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 The buggy address belongs to the object at ffff8801d8036f00 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 180 bytes inside of 512-byte region [ffff8801d8036f00, ffff8801d8037100) The buggy address belongs to the page: task: ffff8801da5f0000 task.stack: ffff8801da5f8000 RIP: 0010:[<ffffffff821136f2>] [<ffffffff821136f2>] ion_heap_destroy+0x32/0xd0 drivers/staging/android/ion/ion_heap.c:363 RSP: 0000:ffff8801da5ffda8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000000000 RDX: 0000000000000003 RSI: ffffffff821136dc RDI: 000000000000001a RBP: ffff8801da5ffdb8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffffffffea R13: ffff8801d7d48728 R14: dffffc0000000000 R15: ffffffffffffffea FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000002e0a000 CR4: 00000000001606b0 Stack: dffffc0000000000 ffffffffffffffea ffff8801da5ffdf0 ffffffff8324cd6d ffffffff82e11080 ffff8800ba1d6820 dffffc0000000000 ffffffff8324caac ffff8801da5ffeb0 ffff8801da5ffed8 ffffffff810003fb 0000000082ab1ce0 Call Trace: [<ffffffff8324cd6d>] ion_dummy_init+0x2c1/0x36d drivers/staging/android/ion/ion_dummy_driver.c:116 [<ffffffff810003fb>] do_one_initcall+0x13b/0x260 init/main.c:793 [<ffffffff831d5bce>] do_initcall_level init/main.c:858 [inline] [<ffffffff831d5bce>] do_initcalls init/main.c:866 [inline] [<ffffffff831d5bce>] do_basic_setup init/main.c:884 [inline] [<ffffffff831d5bce>] kernel_init_freeable+0x2fa/0x3c3 init/main.c:1029 [<ffffffff827062f4>] kernel_init+0x12/0x15e init/main.c:957 [<ffffffff82719c85>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Code: 89 fc 48 83 ec 08 e8 de 64 1f ff 4d 85 e4 74 53 e8 d4 64 1f ff 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 83 00 00 00 41 8b 54 24 30 RIP [<ffffffff821136f2>] ion_heap_destroy+0x32/0xd0 drivers/staging/android/ion/ion_heap.c:363 RSP <ffff8801da5ffda8> ---[ end trace bf2314c5c832255c ]---