binder: 8797:8798 ioctl c018620b 0 returned -14 binder: 8797:8798 unknown command -1 binder: 8797:8798 ioctl c0306201 20000140 returned -22 binder: 8797:8798 ioctl 6685 0 returned -22 ------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1130! binder: 8797:8803 BC_INCREFS_DONE node 1699 has no pending increfs request invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI binder: 8797:8803 unknown command 552 Modules linked in: CPU: 0 PID: 8802 Comm: syz-executor.3 Not tainted 4.14.108+ #39 task: ffff8881c3bb5e00 task.stack: ffff8881d0240000 RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: 0018:ffff8881d02475d0 EFLAGS: 00010216 binder: 8797:8803 ioctl c0306201 200001c0 returned -22 RAX: 0000000000040000 RBX: 0000000020001020 RCX: 0000000000000313 RDX: ffffffff82237477 RSI: ffffc90001f36000 RDI: ffff8881d02f35d8 RBP: 0000000000000020 R08: ffff8881d02478b0 R09: 0000000000000028 R10: ffffed103a048f06 R11: ffff8881d0247837 R12: ffff8881c5a0e218 R13: 0000000000000028 R14: 0000000000001a00 R15: ffff8881d02478b0 FS: 00007fb7e9541700(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 binder: 8797:8803 BC_ACQUIRE_DONE node 1699 has no pending acquire request CR2: 0000000020200000 CR3: 00000001c530a003 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: binder_get_object+0x90/0x190 drivers/android/binder.c:2244 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338 Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 0d 04 00 00 48 8b 6d 58 48 29 dd e8 33 33 0d ff 49 39 ed 76 07 e8 29 33 0d ff <0f> 0b e8 22 33 0d ff 4c 29 ed 49 39 ee 77 ec e8 15 33 0d ff 41 RIP: binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: ffff8881d02475d0 ---[ end trace b79ceb42191a1439 ]--- binder: 8800:8804 unknown command -1966485240