R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f52ccda5fa0 R15: 00007ffdec515228
 </TASK>
------------[ cut here ]------------
WARNING: net/core/dev.c:12615 at __dev_change_net_namespace+0x1e0d/0x2010 net/core/dev.c:12615, CPU#0: syz.0.16/5796
Modules linked in:
CPU: 0 UID: 0 PID: 5796 Comm: syz.0.16 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__dev_change_net_namespace+0x1e0d/0x2010 net/core/dev.c:12615
Code: f8 48 c7 c7 80 f7 6f 8c 48 c7 c6 e0 f5 6f 8c 8b 54 24 24 48 c7 c1 20 f6 6f 8c e8 8e d8 eb f7 e9 6a fe ff ff e8 14 35 85 f8 90 <0f> 0b 90 e9 78 f7 ff ff e8 06 35 85 f8 90 0f 0b 90 e9 0f fb ff ff
RSP: 0018:ffffc90002a96f00 EFLAGS: 00010293
RAX: ffffffff893bd00c RBX: ffff888011218714 RCX: ffff888000eba4c0
RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
RBP: ffffc90002a97330 R08: ffff888011218713 R09: 1ffff110022430e2
R10: dffffc0000000000 R11: ffffed10022430e3 R12: dffffc0000000000
R13: 0000000000000000 R14: 00000000fffffff4 R15: 1ffff110022430e2
FS:  00007f52cd9366c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe2d1bef40 CR3: 00000000112aa000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cfg802154_switch_netns+0xbf/0x3d0 net/ieee802154/core.c:230
 nl802154_wpan_phy_netns+0x13e/0x3d0 net/ieee802154/nl802154.c:1292
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x820 net/socket.c:2592
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2683 [inline]
 __se_sys_sendmsg net/socket.c:2681 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f52ccb8d169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52cd936038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f52ccda5fa0 RCX: 00007f52ccb8d169
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000006
RBP: 00007f52cd936090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f52ccda5fa0 R15: 00007ffdec515228
 </TASK>