------------[ cut here ]------------ WARNING: CPU: 1 PID: 29536 at net/ipv6/ip6_fib.c:1137 fib6_add+0x20d9/0x2c10 net/ipv6/ip6_fib.c:1137 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 29536 Comm: syz-executor2 Not tainted 4.14.0-rc5+ #92 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:fib6_add+0x20d9/0x2c10 net/ipv6/ip6_fib.c:1137 RSP: 0018:ffff8801d49576a0 EFLAGS: 00010202 RAX: 0000000000010000 RBX: 1ffff1003a92aeec RCX: ffffc90002ad4000 RDX: 00000000000001f0 RSI: ffffffff843331a9 RDI: ffff8801cd374780 RBP: ffff8801d4957a08 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801d49578d0 R11: ffff8801d17635b0 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff8801cd374700 R15: ffff8801a74c4040 __ip6_ins_rt+0x6c/0x90 net/ipv6/route.c:1001 ip6_route_add+0x148/0x1a0 net/ipv6/route.c:2772 ipv6_route_ioctl+0x4cf/0x690 net/ipv6/route.c:3281 inet6_ioctl+0xef/0x1e0 net/ipv6/af_inet6.c:521 sock_do_ioctl+0x65/0xb0 net/socket.c:961 sock_ioctl+0x2c2/0x440 net/socket.c:1058 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452869 RSP: 002b:00007f341fc65be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452869 RDX: 0000000020fc7000 RSI: 000000000000890b RDI: 0000000000000014 RBP: 00000000000000ed R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ef6d8 R13: 00000000ffffffff R14: 00007f341fc666d4 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..