binder_alloc: binder_alloc_mmap_handler: 11807 20000000-20002000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 11807:11820 ioctl 40046207 0 returned -16
WARNING: CPU: 1 PID: 11816 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 net/strparser/strparser.c:532
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 11816 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #368
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x24d lib/dump_stack.c:53
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x1f4/0x2b0 lib/bug.c:186
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:strp_done+0xb7/0xe0 net/strparser/strparser.c:532
RSP: 0018:ffff8801b6727768 EFLAGS: 00010212
RAX: 0000000000010000 RBX: ffff8801b64330c8 RCX: ffffffff85e7b857
RDX: 00000000000000eb RSI: ffffc90002842000 RDI: ffff8801b64330d0
RBP: ffff8801b6727780 R08: 1ffff10036ce4eb8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c06f0a00
R13: ffff8801b6727988 R14: 0000000000000000 R15: ffff8801b6727848
 kcm_attach net/kcm/kcmsock.c:1428 [inline]
 kcm_attach_ioctl net/kcm/kcmsock.c:1489 [inline]
 kcm_ioctl+0xf6e/0x1820 net/kcm/kcmsock.c:1695
 sock_do_ioctl+0xef/0x390 net/socket.c:958
 sock_ioctl+0x367/0x670 net/socket.c:1081
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x454889
RSP: 002b:00007f79043cfc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f79043d06d4 RCX: 0000000000454889
RDX: 0000000020000040 RSI: 00000000000089e0 RDI: 0000000000000015
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003aa R14: 00000000006f7890 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..