divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 3 PID: 24272 Comm: syz-executor.2 Not tainted 5.17.0-rc8-syzkaller-00045-g551acdc3c3d2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:netem_enqueue+0x1474/0x3550 net/sched/sch_netem.c:516
Code: 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 c2 03 63 fa 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 48 8b 34 24 31 d2 2b 4e 74 <f7> f1 48 b8 00 00 00 00 00 fc ff df 48 01 d3 48 89 d9 48 c1 e9 03
RSP: 0018:ffffc900032573c8 EFLAGS: 00010246
RAX: 000000004720c65d RBX: ffff88806856b010 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88801f3b7400 RDI: ffff88801f3b7474
RBP: ffff888073097330 R08: ffff88801f3b74d0 R09: 0000000000000000
R10: ffffffff83dc3acd R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000001 R14: ffff888073097000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f58d7b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020001500 CR3: 00000000694bc000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netem_enqueue+0x2048/0x3550 net/sched/sch_netem.c:483
 dev_qdisc_enqueue+0x40/0x300 net/core/dev.c:3668
 __dev_xmit_skb net/core/dev.c:3756 [inline]
 __dev_queue_xmit+0x1f61/0x37b0 net/core/dev.c:4081
 packet_snd net/packet/af_packet.c:3060 [inline]
 packet_sendmsg+0x2226/0x5270 net/packet/af_packet.c:3087
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x331/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmmsg+0x297/0x470 net/socket.c:2546
 __compat_sys_sendmmsg net/compat.c:361 [inline]
 __do_compat_sys_sendmmsg net/compat.c:368 [inline]
 __se_compat_sys_sendmmsg net/compat.c:365 [inline]
 __ia32_compat_sys_sendmmsg+0x9b/0x100 net/compat.c:365
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6edd549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f58d75cc EFLAGS: 00000296 ORIG_RAX: 0000000000000159
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020001500
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:netem_enqueue+0x1474/0x3550 net/sched/sch_netem.c:516
Code: 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 c2 03 63 fa 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 48 8b 34 24 31 d2 2b 4e 74 <f7> f1 48 b8 00 00 00 00 00 fc ff df 48 01 d3 48 89 d9 48 c1 e9 03
RSP: 0018:ffffc900032573c8 EFLAGS: 00010246
RAX: 000000004720c65d RBX: ffff88806856b010 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88801f3b7400 RDI: ffff88801f3b7474
RBP: ffff888073097330 R08: ffff88801f3b74d0 R09: 0000000000000000
R10: ffffffff83dc3acd R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000001 R14: ffff888073097000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f58d7b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020001500 CR3: 00000000694bc000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	74 1f                	je     0x21
   2:	4c 89 44 24 20       	mov    %r8,0x20(%rsp)
   7:	89 4c 24 18          	mov    %ecx,0x18(%rsp)
   b:	89 44 24 10          	mov    %eax,0x10(%rsp)
   f:	e8 c2 03 63 fa       	callq  0xfa6303d6
  14:	4c 8b 44 24 20       	mov    0x20(%rsp),%r8
  19:	8b 4c 24 18          	mov    0x18(%rsp),%ecx
  1d:	8b 44 24 10          	mov    0x10(%rsp),%eax
  21:	48 8b 34 24          	mov    (%rsp),%rsi
  25:	31 d2                	xor    %edx,%edx
  27:	2b 4e 74             	sub    0x74(%rsi),%ecx
* 2a:	f7 f1                	div    %ecx <-- trapping instruction
  2c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  33:	fc ff df
  36:	48 01 d3             	add    %rdx,%rbx
  39:	48 89 d9             	mov    %rbx,%rcx
  3c:	48 c1 e9 03          	shr    $0x3,%rcx