IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready squashfs: SQUASHFS error: unable to read xattr id index table Illegal XDP return value 4294967274, expect packet loss! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 19792 at net/core/filter.c:3646 bpf_warn_invalid_xdp_action net/core/filter.c:3646 [inline] WARNING: CPU: 1 PID: 19792 at net/core/filter.c:3646 bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3642 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 19792 Comm: syz-executor.3 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:3646 [inline] RIP: 0010:bpf_warn_invalid_xdp_action.cold+0x3c/0x43 net/core/filter.c:3642 RSP: 0018:ffff8880ba507578 EFLAGS: 00010282 RAX: 0000000000000038 RBX: 1ffff110174a0eb8 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff878bbbc0 RDI: ffffed10174a0ea5 RBP: ffffffff88562c80 R08: 0000000000000038 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffea R13: ffffc90005b07000 R14: 0000000000000000 R15: ffff888098289b86 netif_receive_generic_xdp+0x554/0x950 net/core/dev.c:3956 do_xdp_generic.part.0+0x22/0xc0 net/core/dev.c:4001 do_xdp_generic net/core/dev.c:4039 [inline] netif_rx_internal+0x219/0x800 net/core/dev.c:4039 dev_forward_skb+0x39/0x50 net/core/dev.c:1866 veth_xmit+0xf1/0x300 drivers/net/veth.c:114 __netdev_start_xmit include/linux/netdevice.h:4051 [inline] netdev_start_xmit include/linux/netdevice.h:4060 [inline] xmit_one net/core/dev.c:3005 [inline] dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521 neigh_hh_output include/net/neighbour.h:490 [inline] neigh_output include/net/neighbour.h:498 [inline] ip6_finish_output2+0xc6a/0x1f10 net/ipv6/ip6_output.c:120 ip6_finish_output+0x5c6/0xd50 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c5/0x660 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:470 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] mld_sendpack+0x5fe/0xea0 net/ipv6/mcast.c:1660 mld_send_cr net/ipv6/mcast.c:1956 [inline] mld_ifc_timer_expire+0x57c/0xcd0 net/ipv6/mcast.c:2455 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:kfree+0x15d/0x250 mm/slab.c:3816 RSP: 0018:ffff8881dbb87ba0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000007 RBX: 0000000000000286 RCX: 1ffff1100a050d75 RDX: 0000000000000000 RSI: ffff888050286b88 RDI: 0000000000000286 RBP: ffff8880aa528280 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88813fe80dc0 R13: ffffffff81cb2c7b R14: ffffed1015672b95 R15: ffff8880aa58c700 squashfs_cache_delete.part.0+0x1bb/0x330 fs/squashfs/cache.c:220 squashfs_cache_delete+0x1b/0x30 fs/squashfs/cache.c:214 squashfs_fill_super+0x223/0x1b70 fs/squashfs/super.c:338 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0xe53/0x2a00 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x467afa RSP: 002b:00007f8b9bb9cfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 0000000000467afa RDX: 0000000020000480 RSI: 0000000020000100 RDI: 00007f8b9bb9d000 RBP: 00007f8b9bb9d040 R08: 00007f8b9bb9d040 R09: 0000000020000480 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000480 R13: 0000000020000100 R14: 00007f8b9bb9d000 R15: 0000000020000200 Kernel Offset: disabled Rebooting in 86400 seconds..