------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1108! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 3298 Comm: syz-executor.3 Not tainted 4.9.194+ #0 task: 0000000032c5a3e4 task.stack: 00000000dcd56605 RIP: 0010:[] [<000000006c247d40>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP: 0018:ffff8801a53074a8 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020ffc000 RCX: ffffc90001d21000 RDX: 00000000000003f3 RSI: ffffffff8223a8fb RDI: ffff8801aed329d8 RBP: ffff8801a5307528 R08: ffff8801a53075a8 R09: 0000000000000008 R10: ffffed0034a60f11 R11: ffff8801a530788f R12: 0000000000000080 R13: 0000000000000088 R14: 0000000000000008 R15: ffff8801a53075a8 FS: 00007eff440c2700(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001a30ce000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Stack: ffffffff81249811 ffff8801a5307568 0000000000000246 00000000200000c0 ffff8801aef53050 ffff8801aed32858 00ff8801a5307870 ffff8801aed32800 ffffffff814fdcb6 ffff8801cb75cb00 0000000000000088 ffff8801a53075a8 Call Trace: [<00000000e3854143>] binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1154 [<000000001c6edd3b>] binder_validate_ptr+0xc5/0x1b0 drivers/android/binder.c:2335 [<00000000ebabdb0f>] binder_transaction+0x20a4/0x5890 drivers/android/binder.c:3444 [<000000001e550dcc>] binder_thread_write+0x730/0x20e0 drivers/android/binder.c:3906 [<00000000e0d835f0>] binder_ioctl_write_read drivers/android/binder.c:4854 [inline] [<00000000e0d835f0>] binder_ioctl+0xecd/0x1720 drivers/android/binder.c:5030 [<000000003d06e4d2>] vfs_ioctl fs/ioctl.c:43 [inline] [<000000003d06e4d2>] file_ioctl fs/ioctl.c:493 [inline] [<000000003d06e4d2>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 [<00000000af0ac4f0>] SYSC_ioctl fs/ioctl.c:694 [inline] [<00000000af0ac4f0>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [<00000000efdda044>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ee9158a3>] 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 [<000000006c247d40>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP ---[ end trace 28c53392c2d8a7f0 ]---