------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1141! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7547 Comm: syz-executor703 Not tainted 5.1.0-rc2+ #38 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1141 Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 ff f7 23 fc 4c 89 e6 4c 89 ef e8 14 f9 23 fc 4d 39 e5 76 07 e8 ea f7 23 fc <0f> 0b e8 e3 f7 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 f1 RSP: 0018:ffff88808b797550 EFLAGS: 00010293 RAX: ffff88808ecae340 RBX: 0000000020001000 RCX: ffffffff854c798c RDX: 0000000000000000 RSI: ffffffff854c7996 RDI: 0000000000000006 RBP: ffff88808b7975d0 R08: ffff88808ecae340 R09: 0000000000000028 R10: ffffed10116f2f01 R11: ffff88808b79780f R12: 0000000000000008 R13: 0000000000000028 R14: ffff888098054b10 R15: 0000000000000000 FS: 0000000000867940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008e7fc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: binder_alloc_copy_from_buffer+0x37/0x42 drivers/android/binder_alloc.c:1187 binder_get_object+0xc3/0x200 drivers/android/binder.c:2062 binder_transaction+0x2b4a/0x6690 drivers/android/binder.c:3231 binder_thread_write+0x64a/0x2820 drivers/android/binder.c:3792 binder_ioctl_write_read drivers/android/binder.c:4825 [inline] binder_ioctl+0x1033/0x183b drivers/android/binder.c:5002 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x444549 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffdc5a7c2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffdc5a7c2d0 RCX: 0000000000444549 RDX: 0000000020000440 RSI: 00000000c0306201 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400e10 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402250 R13: 00000000004022e0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 1b12ac8443828c38 ]--- RIP: 0010:binder_alloc_do_buffer_copy+0xd6/0x510 drivers/android/binder_alloc.c:1141 Code: 02 00 0f 85 20 04 00 00 4d 8b 64 24 58 49 29 dc e8 ff f7 23 fc 4c 89 e6 4c 89 ef e8 14 f9 23 fc 4d 39 e5 76 07 e8 ea f7 23 fc <0f> 0b e8 e3 f7 23 fc 4c 8b 75 d0 4d 29 ec 4c 89 e6 4c 89 f7 e8 f1 RSP: 0018:ffff88808b797550 EFLAGS: 00010293 RAX: ffff88808ecae340 RBX: 0000000020001000 RCX: ffffffff854c798c RDX: 0000000000000000 RSI: ffffffff854c7996 RDI: 0000000000000006 RBP: ffff88808b7975d0 R08: ffff88808ecae340 R09: 0000000000000028 R10: ffffed10116f2f01 R11: ffff88808b79780f R12: 0000000000000008 R13: 0000000000000028 R14: ffff888098054b10 R15: 0000000000000000 FS: 0000000000867940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000008e7fc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400