[   11.105723]  default_idle+0xbf/0x460
[   11.106229]  ? __sched_text_end+0x4/0x4
[   11.106760]  ? tick_nohz_idle_enter+0xde/0x160
[   11.107395]  arch_cpu_idle+0xa/0x10
[   11.107894]  default_idle_call+0x36/0x90
[   11.108434]  do_idle+0x24e/0x3b0
[   11.108884]  ? complete+0x62/0x80
[   11.109358]  cpu_startup_entry+0x18/0x20
[   11.109939]  start_secondary+0x2ea/0x3f0
[   11.110480]  secondary_startup_64+0xa5/0xa5
Warning: Permanently added 'ci-upstream-net-kasan-gce-5,10.128.0.45' (ECDSA) to the list of known hosts.
executing program
[   34.016516] ------------[ cut here ]------------
[   34.017249] WARNING: CPU: 0 PID: 2988 at net/ipv6/ip6_fib.c:1137 fib6_add+0x20d9/0x2c10
[   34.018350] Kernel panic - not syncing: panic_on_warn set ...
[   34.018350] 
[   34.019321] CPU: 0 PID: 2988 Comm: syzkaller756012 Not tainted 4.14.0-rc5+ #95
[   34.020315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.021533] Call Trace:
[   34.021901]  dump_stack+0x194/0x257
[   34.022401]  ? arch_local_irq_restore+0x53/0x53
[   34.023038]  panic+0x1e4/0x417
[   34.023489]  ? __warn+0x1d9/0x1d9
[   34.023952]  ? show_regs_print_info+0x65/0x65
[   34.024554]  ? fib6_add+0x20d9/0x2c10
[   34.025062]  __warn+0x1c4/0x1d9
[   34.025519]  ? fib6_add+0x20d9/0x2c10
[   34.026028]  report_bug+0x211/0x2d0
[   34.026521]  fixup_bug+0x40/0x90
[   34.026975]  do_trap+0x260/0x390
[   34.027431]  do_error_trap+0x120/0x390
[   34.027951]  ? _find_next_bit+0xee/0x120
[   34.028495]  ? do_trap+0x390/0x390
[   34.028970]  ? fib6_add+0x20d9/0x2c10
[   34.029479]  ? bitmap_find_next_zero_area_off+0x97/0xb0
[   34.030186]  ? _find_next_bit+0xee/0x120
[   34.030730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.031374]  do_invalid_op+0x1b/0x20
[   34.031872]  invalid_op+0x18/0x20
[   34.032335] RIP: 0010:fib6_add+0x20d9/0x2c10
[   34.032918] RSP: 0018:ffff8801d223f6a0 EFLAGS: 00010297
[   34.033644] RAX: ffff8801d23c2500 RBX: 1ffff1003a447eec RCX: ffff8801c1da12d4
[   34.034597] RDX: 0000000000000000 RSI: ffff8801c1da11c0 RDI: ffff8801c1da1240
[   34.035588] RBP: ffff8801d223fa08 R08: 0000000000000000 R09: 0000000000000000
[   34.036538] R10: ffff8801d223f8d0 R11: ffff8801d477e530 R12: 0000000000000001
[   34.043419] R13: dffffc0000000000 R14: ffff8801c1da11c0 R15: ffffffff860443c0
[   34.050666]  ? __mutex_lock+0x120/0x19d0
[   34.054697]  ? fib6_force_start_gc+0xf0/0xf0
[   34.059069]  ? rt6_info_init+0x96/0x1e0
[   34.063016]  ? dst_alloc+0x14a/0x1a0
[   34.066697]  ? __alloc_percpu_gfp+0x27/0x30
[   34.070988]  ? lock_acquire+0x1d5/0x580
[   34.074927]  ? lock_acquire+0x1d5/0x580
[   34.078863]  ? __ip6_ins_rt+0x56/0x90
[   34.082632]  ? ip6_convert_metrics.isra.71+0x518/0x6b0
[   34.087878]  ? lock_release+0xa40/0xa40
[   34.091816]  ? rt6_uncached_list_add+0x240/0x240
[   34.096534]  ? lock_acquire+0x1d5/0x580
[   34.100472]  ? __might_fault+0x110/0x1d0
[   34.104511]  ? lock_downgrade+0x990/0x990
[   34.108622]  ? __ip6_ins_rt+0x56/0x90
[   34.112390]  __ip6_ins_rt+0x6c/0x90
[   34.115983]  ip6_route_add+0x148/0x1a0
[   34.119874]  ? icmp6_dst_alloc+0x630/0x630
[   34.124128]  ipv6_route_ioctl+0x4cf/0x690
[   34.128257]  ? rt6_purge_dflt_routers+0x9d0/0x9d0
[   34.133101]  ? down_read_trylock+0xdb/0x170
[   34.137396]  ? __do_page_fault+0x31e/0xd60
[   34.141602]  ? __handle_mm_fault+0x39c0/0x39c0
[   34.146149]  ? vmacache_find+0x5f/0x280
[   34.150094]  inet6_ioctl+0xef/0x1e0
[   34.153685]  ? inet6_ioctl+0xef/0x1e0
[   34.157454]  sock_do_ioctl+0x65/0xb0
[   34.161135]  sock_ioctl+0x2c2/0x440
[   34.164726]  ? dlci_ioctl_set+0x40/0x40
[   34.168669]  do_vfs_ioctl+0x1b1/0x1520
[   34.172523]  ? ioctl_preallocate+0x2b0/0x2b0
[   34.176898]  ? selinux_capable+0x40/0x40
[   34.180926]  ? __fd_install+0x60b/0x6a0
[   34.184863]  ? sock_map_fd+0x53/0x70
[   34.188546]  ? security_file_ioctl+0x89/0xb0
[   34.192922]  SyS_ioctl+0x8f/0xc0
[   34.196256]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   34.200975] RIP: 0033:0x43ff59
[   34.204128] RSP: 002b:00007ffeed37d0c8 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
[   34.211799] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043ff59
[   34.219033] RDX: 00000000206bb000 RSI: 000000000000890b RDI: 0000000000000003
[   34.226268] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004018c0
[   34.233502] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004018c0
[   34.240737] R13: 0000000000401950 R14: 0000000000000000 R15: 0000000000000000
[   34.248024] Dumping ftrace buffer:
[   34.251528]    (ftrace buffer empty)
[   34.255213] Kernel Offset: disabled
[   34.258807] Rebooting in 86400 seconds..