------------[ cut here ]------------ WARNING: CPU: 0 PID: 15279 at net/ipv6/ip6_fib.c:1452 fib6_del+0x713/0x1130 net/ipv6/ip6_fib.c:1452 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 15279 Comm: syz-executor6 Not tainted 4.9.44-gbf7ef8f #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801db207998 ffffffff81d929c9 ffffffff83a46b40 ffff8801db207a70 ffffffff83f47700 ffffffff83467663 0000000000000009 ffff8801db207a60 ffffffff8142e101 0000000041b58ab3 ffffffff84184170 ffffffff8142df45 Call Trace: [ 80.264442] [] __dump_stack lib/dump_stack.c:15 [inline] [ 80.264442] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] panic+0x1bc/0x3a8 kernel/panic.c:179 [] __warn+0x1c4/0x1e0 kernel/panic.c:542 [] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585 [] fib6_del+0x713/0x1130 net/ipv6/ip6_fib.c:1452 [] __ip6_del_rt+0x100/0x160 net/ipv6/route.c:2131 [] ip6_del_rt+0xca/0x110 net/ipv6/route.c:2144 [] ip6_link_failure+0x17f/0x240 net/ipv6/route.c:1337 [] dst_link_failure include/net/dst.h:490 [inline] [] ndisc_error_report+0xae/0x190 net/ipv6/ndisc.c:671 [] neigh_invalidate+0x225/0x530 net/core/neighbour.c:847 [] neigh_timer_handler+0x597/0xa10 net/core/neighbour.c:933 [] call_timer_fn+0x164/0x700 kernel/time/timer.c:1308 [] expire_timers kernel/time/timer.c:1348 [inline] [] __run_timers kernel/time/timer.c:1641 [inline] [] run_timer_softirq+0x65d/0x1600 kernel/time/timer.c:1654 [] __do_softirq+0x22d/0x964 kernel/softirq.c:284 [] invoke_softirq kernel/softirq.c:364 [inline] [] irq_exit+0x165/0x190 kernel/softirq.c:405 [] exiting_irq arch/x86/include/asm/apic.h:659 [inline] [] smp_apic_timer_interrupt+0x7b/0xa0 arch/x86/kernel/apic/apic.c:960 [] apic_timer_interrupt+0x8c/0xa0 arch/x86/entry/entry_64.S:709 [ 80.491552] [] ? unwind_next_frame+0x86/0xe0 arch/x86/kernel/unwind_frame.c:54 [] __save_stack_trace+0x7d/0xf0 arch/x86/kernel/stacktrace.c:42 [] save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 [] save_stack+0x43/0xd0 mm/kasan/kasan.c:495 [] set_track mm/kasan/kasan.c:507 [inline] [] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 [] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 [] slab_post_alloc_hook mm/slab.h:417 [inline] [] slab_alloc_node mm/slub.c:2715 [inline] [] slab_alloc mm/slub.c:2723 [inline] [] __kmalloc+0xe2/0x310 mm/slub.c:3737 [] __kmalloc_node include/linux/slab.h:359 [inline] [] kmalloc_node include/linux/slab.h:532 [inline] [] __vmalloc_area_node mm/vmalloc.c:1628 [inline] [] __vmalloc_node_range+0x188/0x5f0 mm/vmalloc.c:1701 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] n_tty_open+0x1b/0x470 drivers/tty/n_tty.c:1883 [] tty_ldisc_open.isra.3+0x6e/0xc0 drivers/tty/tty_ldisc.c:463 [] tty_ldisc_setup+0x8a/0xf0 drivers/tty/tty_ldisc.c:760 [] tty_init_dev+0x19d/0x4b0 drivers/tty/tty_io.c:1553 [] ptmx_open+0xf3/0x310 drivers/tty/pty.c:751 [] chrdev_open+0x22b/0x4c0 fs/char_dev.c:392 [] do_dentry_open+0x607/0xc60 fs/open.c:766 [] vfs_open+0x105/0x220 fs/open.c:879 [] do_last fs/namei.c:3402 [inline] [] path_openat+0x64c/0x2a60 fs/namei.c:3525 [] do_filp_open+0x197/0x290 fs/namei.c:3560 [] do_sys_open+0x352/0x4c0 fs/open.c:1072 [] SYSC_openat fs/open.c:1099 [inline] [] SyS_openat+0x30/0x40 fs/open.c:1093 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..