IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: NLM_F_CREATE should be set when creating new route
IPv6: NLM_F_CREATE should be set when creating new route
multiple allocations for the same socket
------------[ cut here ]------------
WARNING: CPU: 1 PID: 30169 at net/core/sock_reuseport.c:41 reuseport_alloc+0x306/0x3b0 net/core/sock_reuseport.c:39
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 30169 Comm: syz-executor4 Not tainted 4.14.0-rc3+ #78
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:16 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:52
 panic+0x1e4/0x417 kernel/panic.c:181
 __warn+0x1c4/0x1d9 kernel/panic.c:542
 report_bug+0x211/0x2d0 lib/bug.c:183
 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:178
 do_trap_no_signal arch/x86/kernel/traps.c:212 [inline]
 do_trap+0x260/0x390 arch/x86/kernel/traps.c:261
 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:298
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:311
 invalid_op+0x18/0x20 arch/x86/entry/entry_64.S:905
RIP: 0010:reuseport_alloc+0x306/0x3b0 net/core/sock_reuseport.c:39
RSP: 0018:ffff8801a6f17a38 EFLAGS: 00010282
RAX: 0000000000000028 RBX: ffff8801c2018580 RCX: 0000000000000000
RDX: 0000000000000028 RSI: ffffffff8158d46e RDI: ffffed0034de2f3b
RBP: ffff8801a6f17b08 R08: ffff8801a6f171a8 R09: 0000000000000000
R10: ffff8801a6f172f8 R11: 0000000000000000 R12: 1ffff10034de2f48
R13: ffff8801c2018580 R14: ffff8801a6f17ae0 R15: ffff8801c20189f8
 __reuseport_attach_prog+0x208/0x280 net/core/filter.c:1250
 sk_reuseport_attach_bpf+0x80/0xd0 net/core/filter.c:1380
 sock_setsockopt+0x1521/0x1ae0 net/core/sock.c:965
 SYSC_setsockopt net/socket.c:1848 [inline]
 SyS_setsockopt+0x2ff/0x360 net/socket.c:1831
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4520a9
RSP: 002b:00007f167593ac08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000718210 RCX: 00000000004520a9
RDX: 0000000000000034 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 0000000000000086 R08: 0000000000000004 R09: 0000000000000000
R10: 000000002055dffc R11: 0000000000000216 R12: 0000000000000000
R13: 0000000000a6f7ef R14: 00007f167593b9c0 R15: 0000000000000002
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..