sg_write: data in/out 65500/34 bytes for SCSI command 0xfc-- guessing data in;
   program syz-executor6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 705 at net/ipv6/ip6_fib.c:1456 fib6_del+0x71b/0x9b0 net/ipv6/ip6_fib.c:1456
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 705 Comm: modprobe Not tainted 4.9.48-g93babeb #44
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801db3079a0 ffffffff81d92f89 ffffffff83a46b40 ffff8801db307a78
 ffffffff83f47900 ffffffff8346bf3b 0000000000000009 ffff8801db307a68
 ffffffff8142e6d1 0000000041b58ab3 ffffffff84184930 ffffffff8142e515
Call Trace:
 <IRQ> 
 [<ffffffff81d92f89>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d92f89>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8142e6d1>] panic+0x1bc/0x3a8 kernel/panic.c:179
 [<ffffffff81131ed4>] __warn+0x1c4/0x1e0 kernel/panic.c:542
 [<ffffffff8113213c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff8346bf3b>] fib6_del+0x71b/0x9b0 net/ipv6/ip6_fib.c:1456
 [<ffffffff8344c620>] __ip6_del_rt+0x100/0x160 net/ipv6/route.c:2131
 [<ffffffff8345f76a>] ip6_del_rt+0xca/0x110 net/ipv6/route.c:2144
 [<ffffffff83460b1f>] ip6_link_failure+0x17f/0x240 net/ipv6/route.c:1337
 [<ffffffff834741ae>] dst_link_failure include/net/dst.h:490 [inline]
 [<ffffffff834741ae>] ndisc_error_report+0xae/0x190 net/ipv6/ndisc.c:671
 [<ffffffff82f5d285>] neigh_invalidate+0x225/0x530 net/core/neighbour.c:847
 [<ffffffff82f62c77>] neigh_timer_handler+0x597/0xa10 net/core/neighbour.c:933
 [<ffffffff812a4f64>] call_timer_fn+0x164/0x700 kernel/time/timer.c:1321
 [<ffffffff812a5e53>] expire_timers kernel/time/timer.c:1361 [inline]
 [<ffffffff812a5e53>] __run_timers kernel/time/timer.c:1660 [inline]
 [<ffffffff812a5e53>] run_timer_softirq+0x693/0x1640 kernel/time/timer.c:1686
 [<ffffffff838adc1d>] __do_softirq+0x22d/0x964 kernel/softirq.c:284
 [<ffffffff81147985>] invoke_softirq kernel/softirq.c:364 [inline]
 [<ffffffff81147985>] irq_exit+0x165/0x190 kernel/softirq.c:405
 [<ffffffff838ad4bb>] exiting_irq arch/x86/include/asm/apic.h:659 [inline]
 [<ffffffff838ad4bb>] smp_apic_timer_interrupt+0x7b/0xa0 arch/x86/kernel/apic/apic.c:960
 [<ffffffff838ac55c>] apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:709
 <EOI> 
 [<ffffffff814c9f7b>] unmap_single_vma+0x10b/0x270 mm/memory.c:1345
 [<ffffffff814ca8e1>] unmap_vmas+0xf1/0x1b0 mm/memory.c:1375
 [<ffffffff814e2c5b>] exit_mmap+0x20b/0x400 mm/mmap.c:2984
 [<ffffffff81128183>] __mmput kernel/fork.c:872 [inline]
 [<ffffffff81128183>] mmput+0xf3/0x2d0 kernel/fork.c:894
 [<ffffffff8113cf51>] exit_mm kernel/exit.c:514 [inline]
 [<ffffffff8113cf51>] do_exit+0x751/0x2a50 kernel/exit.c:820
 [<ffffffff81143718>] do_group_exit+0x108/0x320 kernel/exit.c:937
 [<ffffffff8114394d>] SYSC_exit_group kernel/exit.c:948 [inline]
 [<ffffffff8114394d>] SyS_exit_group+0x1d/0x20 kernel/exit.c:946
 [<ffffffff838aad85>] entry_SYSCALL_64_fastpath+0x23/0xc6
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..