divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 19233 Comm: syz-executor.1 Not tainted 5.7.0-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 23 f9 24 fb 48 81 eb 00 10 00 00 eb aa e8 15 f9 24 fb 8d 4c 2d 00 44 89 e8 31 d2 f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 3a c1 63 fb e9 13 ff ff RSP: 0018:ffffc90008b17028 EFLAGS: 00010246 RAX: 0000000044fe6e31 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864e98db RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffff888064944340 R09: ffffed101396bb4e R10: ffff88809cb5da6f R11: ffffed101396bb4d R12: 0000000240000000 R13: 0000000044fe6e31 R14: ffff88809549b330 R15: ffff88809549b000 FS: 00007f1872267700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004fcef0 CR3: 0000000061266000 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:3778 [inline] __dev_queue_xmit+0x154a/0x30a0 net/core/dev.c:4089 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] ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:179 ip6_send_skb+0xb4/0x340 net/ipv6/ip6_output.c:1865 udp_v6_send_skb.isra.0+0x7b5/0x15c0 net/ipv6/udp.c:1175 udpv6_sendmsg+0x233f/0x2b50 net/ipv6/udp.c:1473 inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:638 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x32f/0x810 net/socket.c:2352 ___sys_sendmsg+0x100/0x170 net/socket.c:2406 __sys_sendmmsg+0x195/0x480 net/socket.c:2496 __do_sys_sendmmsg net/socket.c:2525 [inline] __se_sys_sendmmsg net/socket.c:2522 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2522 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca59 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1872266c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00000000004fcee0 RCX: 000000000045ca59 RDX: 00000000000004ff RSI: 00000000200092c0 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000008f4 R14: 00000000004cbc35 R15: 00007f18722676d4 Modules linked in: ---[ end trace d8963c99738442eb ]--- 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 23 f9 24 fb 48 81 eb 00 10 00 00 eb aa e8 15 f9 24 fb 8d 4c 2d 00 44 89 e8 31 d2 f1 49 29 ec 49 01 d4 eb c7 48 89 df e8 3a c1 63 fb e9 13 ff ff RSP: 0018:ffffc90008b17028 EFLAGS: 00010246 RAX: 0000000044fe6e31 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff864e98db RDI: 0000000000000005 RBP: ffffffff80000000 R08: ffff888064944340 R09: ffffed101396bb4e R10: ffff88809cb5da6f R11: ffffed101396bb4d R12: 0000000240000000 R13: 0000000044fe6e31 R14: ffff88809549b330 R15: ffff88809549b000 FS: 00007f1872267700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004fcef0 CR3: 0000000061266000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400