------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1108! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 10459 Comm: syz-executor.4 Not tainted 4.9.194+ #0 task: 00000000a836ef30 task.stack: 00000000d62680db RIP: 0010:[] [<000000000c4c8bfc>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP: 0018:ffff8801a8a974a8 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020ff6000 RCX: ffffc90006b58000 RDX: 000000000000063f RSI: ffffffff8223a8fb RDI: ffff8801d4b0a5d8 RBP: ffff8801a8a97528 R08: ffff8801a8a975a8 R09: 0000000000000008 R10: ffffed0035152f11 R11: ffff8801a8a9788f R12: 0000000000000060 R13: 0000000000000070 R14: 0000000000000008 R15: ffff8801a8a975a8 FS: 00007fa8ef5da700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce22000 CR3: 00000001c6007000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801a8a97560 0000000000000246 ffff8801d6818000 ffff8801a8a974d0 ffff8801c86e1030 ffff8801d4b0a6d8 00ff8801a8a97870 ffff8801d4b0a680 ffffffff814fdcb6 ffff8801a1ead400 0000000000000070 ffff8801a8a975a8 Call Trace: [<0000000006e11f02>] binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1154 [<00000000b933bf02>] binder_validate_ptr+0xc5/0x1b0 drivers/android/binder.c:2335 [<00000000fb31b58c>] binder_transaction+0x20a4/0x5890 drivers/android/binder.c:3444 [<00000000fa2da67c>] binder_thread_write+0x583/0x20e0 drivers/android/binder.c:3917 [<00000000cd196b98>] binder_ioctl_write_read drivers/android/binder.c:4854 [inline] [<00000000cd196b98>] binder_ioctl+0xecd/0x1720 drivers/android/binder.c:5030 [<000000007ff67df7>] vfs_ioctl fs/ioctl.c:43 [inline] [<000000007ff67df7>] file_ioctl fs/ioctl.c:493 [inline] [<000000007ff67df7>] do_vfs_ioctl+0xb87/0x11d0 fs/ioctl.c:677 [<00000000e23b644b>] SYSC_ioctl fs/ioctl.c:694 [inline] [<00000000e23b644b>] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [<000000009815afe6>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000aa156f10>] 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 [<000000000c4c8bfc>] binder_alloc_do_buffer_copy+0xcb/0x500 drivers/android/binder_alloc.c:1108 RSP ---[ end trace 1bec575f1659bb2e ]---