divide error: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8663 Comm: syz-executor537 Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:netem_enqueue+0x2854/0x3710 net/sched/sch_netem.c:516 Code: 70 4c 89 64 24 20 49 83 c4 74 4c 89 e0 48 c1 e8 03 8a 04 30 84 c0 48 8b 4c 24 18 0f 85 20 08 00 00 41 2b 1c 24 44 89 f0 31 d2 f3 49 01 d5 4c 89 e8 48 c1 e8 03 8a 04 30 84 c0 0f 85 32 08 00 RSP: 0018:ffffc9000217f380 EFLAGS: 00010246 RAX: 0000000017774480 RBX: 0000000000000000 RCX: ffff88803907d000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff888028b2ee30 RBP: ffffc9000217f4b0 R08: ffffffff83f8aa47 R09: fffffbfff1c70546 R10: fffffbfff1c70546 R11: 0000000000000000 R12: ffff888028b2ee34 R13: ffff888024cbb800 R14: 0000000017774480 R15: 0000000000000002 FS: 00007f2f97591700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f97570718 CR3: 00000000172e1000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: netem_enqueue+0x12b8/0x3710 net/sched/sch_netem.c:483 __dev_xmit_skb net/core/dev.c:3899 [inline] __dev_queue_xmit+0xdad/0x2fe0 net/core/dev.c:4214 __netlink_deliver_tap_skb net/netlink/af_netlink.c:303 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline] netlink_deliver_tap+0x5c1/0x840 net/netlink/af_netlink.c:334 netlink_deliver_tap_kernel net/netlink/af_netlink.c:343 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x7b4/0x9b0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0xaa6/0xe90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0x5a2/0x900 net/socket.c:2350 ___sys_sendmsg net/socket.c:2404 [inline] __sys_sendmsg+0x319/0x400 net/socket.c:2433 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x451d89 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 18 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2f97591308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004d04c8 RCX: 0000000000451d89 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00000000004d04c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004d04cc R13: 000000000049f830 R14: 0004000c00000000 R15: 0000000000022000 Modules linked in: ---[ end trace e96ec1b1d927dac2 ]--- RIP: 0010:netem_enqueue+0x2854/0x3710 net/sched/sch_netem.c:516 Code: 70 4c 89 64 24 20 49 83 c4 74 4c 89 e0 48 c1 e8 03 8a 04 30 84 c0 48 8b 4c 24 18 0f 85 20 08 00 00 41 2b 1c 24 44 89 f0 31 d2 f3 49 01 d5 4c 89 e8 48 c1 e8 03 8a 04 30 84 c0 0f 85 32 08 00 RSP: 0018:ffffc9000217f380 EFLAGS: 00010246 RAX: 0000000017774480 RBX: 0000000000000000 RCX: ffff88803907d000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff888028b2ee30 RBP: ffffc9000217f4b0 R08: ffffffff83f8aa47 R09: fffffbfff1c70546 R10: fffffbfff1c70546 R11: 0000000000000000 R12: ffff888028b2ee34 R13: ffff888024cbb800 R14: 0000000017774480 R15: 0000000000000002 FS: 00007f2f97591700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f97570718 CR3: 00000000172e1000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400