------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1108! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 15525 Comm: syz-executor.5 Not tainted 4.9.194+ #0 task: 000000009e1b5441 task.stack: 000000007951d050 RIP: 0010:[] [<00000000a2b0b6ef>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP: 0018:ffff8801a903f4a8 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020ffc000 RCX: ffffc90008153000 RDX: 000000000001842b RSI: ffffffff8223a8fb RDI: ffff8801d6b12f58 RBP: ffff8801a903f528 R08: ffff8801a903f5a8 R09: 0000000000000008 R10: ffffed0035207f12 R11: ffff8801a903f897 R12: 0000000000000070 R13: 00000000000000b8 R14: 0000000000000008 R15: ffff8801a903f5a8 FS: 00007f6460f42700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ef8ab6460 CR3: 000000019f8a6000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff81249811 ffff8801a903f568 0000000000000246 00000000200001c0 ffff8801c684a028 ffff8801d2830958 00ff8801a903f870 ffff8801d2830900 ffffffff814fdcb6 ffff8801cadc6f00 00000000000000b8 ffff8801a903f5a8 Call Trace: [<000000008aee03e6>] binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1154 [<000000005113a53e>] binder_validate_ptr+0xc5/0x1b0 drivers/android/binder.c:2335 [<0000000022f05633>] binder_transaction+0x20a4/0x5890 drivers/android/binder.c:3444 [<00000000b0dc5d39>] binder_thread_write+0x730/0x20e0 drivers/android/binder.c:3906 [<000000001c169fe9>] binder_ioctl_write_read drivers/android/binder.c:4854 [inline] [<000000001c169fe9>] binder_ioctl+0xecd/0x1720 drivers/android/binder.c:5030 [<000000004cac2366>] vfs_ioctl fs/ioctl.c:43 [inline] [<000000004cac2366>] file_ioctl fs/ioctl.c:493 [inline] [<000000004cac2366>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 [<0000000016d84397>] SYSC_ioctl fs/ioctl.c:694 [inline] [<0000000016d84397>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [<000000001a486396>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000036c5170>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0a 04 00 00 4d 8b 64 24 58 49 29 dc e8 0f 7e 0e ff 4d 39 e6 76 07 e8 05 7e 0e ff <0f> 0b e8 fe 7d 0e ff 4c 8b 6d d0 4d 29 f4 4d 39 e5 77 e8 e8 ed RIP [<00000000a2b0b6ef>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP ---[ end trace 2d26671118eeb115 ]---