wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'.
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
divide error: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 9589 Comm: syz-executor.0 Not tainted 4.19.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:netem_enqueue+0x1217/0x3170 syzkaller/managers/linux-4-19/kernel/net/sched/sch_netem.c:516
Code: f6 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 3e bb 04 fb 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 2b 8d 84 00 00 00 31 d2 <f7> f1 48 b8 00 00 00 00 00 fc ff df 49 01 d6 4c 89 f1 48 c1 e9 03
RSP: 0018:ffff88809c9175e0 EFLAGS: 00010246
RAX: 000000008d9c7da9 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a2fb6144
RBP: ffff8880a2fb60c0 R08: ffff8880a2fb6198 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880a8a8cd40 R15: ffff8880a2dc64c0
FS:  00007fb07c2ff700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb07c2ddff8 CR3: 00000000b4867000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 netem_enqueue+0x1d6b/0x3170 syzkaller/managers/linux-4-19/kernel/net/sched/sch_netem.c:480
 __dev_xmit_skb syzkaller/managers/linux-4-19/kernel/net/core/dev.c:3494 [inline]
 __dev_queue_xmit+0x140a/0x2e00 syzkaller/managers/linux-4-19/kernel/net/core/dev.c:3807
 __netlink_deliver_tap_skb syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:303 [inline]
 __netlink_deliver_tap syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:321 [inline]
 netlink_deliver_tap+0x8fb/0xb00 syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:334
 netlink_deliver_tap_kernel syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:343 [inline]
 netlink_unicast_kernel syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x545/0x690 syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6bb/0xc40 syzkaller/managers/linux-4-19/kernel/net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec syzkaller/managers/linux-4-19/kernel/net/socket.c:622 [inline]
 sock_sendmsg+0xc3/0x120 syzkaller/managers/linux-4-19/kernel/net/socket.c:632
 ___sys_sendmsg+0x7bb/0x8e0 syzkaller/managers/linux-4-19/kernel/net/socket.c:2115
 __sys_sendmsg syzkaller/managers/linux-4-19/kernel/net/socket.c:2153 [inline]
 __do_sys_sendmsg syzkaller/managers/linux-4-19/kernel/net/socket.c:2162 [inline]
 __se_sys_sendmsg syzkaller/managers/linux-4-19/kernel/net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x132/0x220 syzkaller/managers/linux-4-19/kernel/net/socket.c:2160
 do_syscall_64+0xf9/0x620 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x465d99
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb07c2ff188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007ffc9d95018f R14: 00007fb07c2ff300 R15: 0000000000022000
Modules linked in:
---[ end trace e206c56fa0a2badd ]---
RIP: 0010:netem_enqueue+0x1217/0x3170 syzkaller/managers/linux-4-19/kernel/net/sched/sch_netem.c:516
Code: f6 74 1f 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 3e bb 04 fb 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 2b 8d 84 00 00 00 31 d2 <f7> f1 48 b8 00 00 00 00 00 fc ff df 49 01 d6 4c 89 f1 48 c1 e9 03
RSP: 0018:ffff88809c9175e0 EFLAGS: 00010246
RAX: 000000008d9c7da9 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a2fb6144
RBP: ffff8880a2fb60c0 R08: ffff8880a2fb6198 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8880a8a8cd40 R15: ffff8880a2dc64c0
FS:  00007fb07c2ff700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb07c2ddff8 CR3: 00000000b4867000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400