binder: 20449:20461 ioctl 80087601 20000180 returned -22 ------------[ cut here ]------------ kernel BUG at drivers/android/binder_alloc.c:1130! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI Modules linked in: CPU: 1 PID: 20461 Comm: syz-executor.4 Not tainted 4.14.108+ #39 task: ffff8881d403c680 task.stack: ffff888190e40000 RIP: 0010:binder_alloc_do_buffer_copy+0xc7/0x500 drivers/android/binder_alloc.c:1130 RSP: 0018:ffff888190e475d0 EFLAGS: 00010212 RAX: 0000000000040000 RBX: 0000000020001000 RCX: 00000000000002f9 RDX: ffffffff82237477 RSI: ffffc900069ab000 RDI: ffff8881c9128dd8 RBP: 0000000000000008 R08: ffff888190e478b0 R09: 0000000000000028 R10: ffffed10321c8f06 R11: ffff888190e47837 R12: ffff88819f7b1d98 R13: 0000000000000028 R14: 00000000000002d4 R15: ffff888190e478b0 FS: 00007f1971cfe700(0000) GS:ffff8881db900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdf72d0ff8 CR3: 000000019fbcc001 CR4: 00000000001606a0 Call Trace: binder_get_object+0x90/0x190 drivers/android/binder.c:2244 binder_transaction+0x1e2d/0x5640 drivers/android/binder.c:3338 audit: type=1400 audit(1553699933.539:32): avc: denied { write } for pid=20472 comm="syz-executor.2" name="map_files" dev="proc" ino=59620 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 audit: type=1400 audit(1553699933.549:33): avc: denied { add_name } for pid=20472 comm="syz-executor.2" name="file1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 audit: type=1400 audit(1553699933.549:34): avc: denied { create } for pid=20472 comm="syz-executor.2" name="file1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:insmod_t:s0 tclass=file permissive=1 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: ffff888190e475d0 ---[ end trace d311d26584b286d4 ]--- Kernel panic - not syncing: Fatal exception Kernel Offset: 0x17000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..