divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-next-20200415-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tabledist.part.0+0x134/0x160 net/sched/sch_netem.c:333 Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 f3 2c 25 fb 48 81 eb 00 10 00 00 eb aa e8 e5 2c 25 fb 8d 4c 2d 00 44 89 e8 31 d2 f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 8a 4d 63 fb e9 13 ff ff RSP: 0018:ffffc90000007638 EFLAGS: 00010246 RAX: 0000000045b59ab4 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864e07ab RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffffffff898864c0 R09: ffffed101423fc6e R10: ffff8880a11fe36f R11: ffffed101423fc6d R12: 0000003e42c00000 R13: 0000000045b59ab4 R14: ffff888093167330 R15: ffff888093167000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000009fbf7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tabledist net/sched/sch_netem.c:536 [inline] netem_enqueue+0x412/0x2da0 net/sched/sch_netem.c:536 __dev_xmit_skb net/core/dev.c:3710 [inline] __dev_queue_xmit+0x154a/0x3070 net/core/dev.c:4021 neigh_hh_output include/net/neighbour.h:499 [inline] neigh_output include/net/neighbour.h:508 [inline] ip6_finish_output2+0xfb5/0x25b0 net/ipv6/ip6_output.c:117 __ip6_finish_output+0x442/0xab0 net/ipv6/ip6_output.c:143 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x239/0x810 net/ipv6/ip6_output.c:176 dst_output include/net/dst.h:435 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0x961/0xdf0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x42e/0x920 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1405 expire_timers kernel/time/timer.c:1450 [inline] __run_timers kernel/time/timer.c:1774 [inline] __run_timers kernel/time/timer.c:1741 [inline] run_timer_softirq+0x623/0x1600 kernel/time/timer.c:1787 __do_softirq+0x26c/0x9f7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x192/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x19e/0x600 arch/x86/kernel/apic/apic.c:1140 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: cc cc cc cc cc cc cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 94 1d 52 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 84 1d 52 00 fb f4 cc 41 56 41 55 41 54 55 53 e8 73 95 8a f9 e8 fe 12 c4 fb 0f 1f RSP: 0018:ffffffff89807d98 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff132989f RBX: ffffffff898864c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff89886d8c RBP: dffffc0000000000 R08: ffffffff898864c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff1310c98 R13: 0000000000000000 R14: ffffffff8a8b4e00 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:144 [inline] default_idle+0x49/0x350 arch/x86/kernel/process.c:697 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x393/0x690 kernel/sched/idle.c:269 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:361 start_kernel+0x862/0x89c init/main.c:1006 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 Modules linked in: ---[ end trace d698bc7af90f0109 ]--- RIP: 0010:tabledist.part.0+0x134/0x160 net/sched/sch_netem.c:333 Code: 4c 89 e0 48 83 c4 08 5b 5d 41 5c 41 5d c3 e8 f3 2c 25 fb 48 81 eb 00 10 00 00 eb aa e8 e5 2c 25 fb 8d 4c 2d 00 44 89 e8 31 d2 f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 8a 4d 63 fb e9 13 ff ff RSP: 0018:ffffc90000007638 EFLAGS: 00010246 RAX: 0000000045b59ab4 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864e07ab RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffffffff898864c0 R09: ffffed101423fc6e R10: ffff8880a11fe36f R11: ffffed101423fc6d R12: 0000003e42c00000 R13: 0000000045b59ab4 R14: ffff888093167330 R15: ffff888093167000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000009879000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400