netlink: 'syz.1.3815': attribute type 3 has an invalid length.
erspan0: entered allmulticast mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 21629 at mm/page_alloc.c:5124 __alloc_frozen_pages_noprof+0x2c8/0x370
Modules linked in:
CPU: 0 UID: 0 PID: 21629 Comm: syz.1.3815 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370
Code: 74 10 4c 89 e7 89 54 24 0c e8 c4 1d 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 6f 75 77 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc900039f5f20 EFLAGS: 00010246
RAX: ffffc900039f5f00 RBX: 0000000000000017 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900039f5f88
RBP: ffffc900039f6010 R08: ffffc900039f5f87 R09: 0000000000000000
R10: ffffc900039f5f60 R11: fffff5200073ebf1 R12: 0000000000000000
R13: 1ffff9200073ebe8 R14: 0000000000040920 R15: dffffc0000000000
FS:  00007fed20ff66c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed93370440 CR3: 0000000034d3c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x232/0x4a0
 ___kmalloc_large_node+0x5f/0x1b0
 __kmalloc_large_node_noprof+0x18/0x90
 __kmalloc_noprof+0x36f/0x4f0
 nsim_fib_event_nb+0x295/0x1080
 notifier_call_chain+0x1b6/0x3e0
 atomic_notifier_call_chain+0xda/0x180
 call_fib_notifiers+0x31/0x60
 fib6_del+0x104d/0x1550
 fib6_clean_node+0x29f/0x590
 fib6_walk_continue+0x67b/0x910
 fib6_walk+0x149/0x290
 __fib6_clean_all+0x234/0x380
 rt6_disable_ip+0x120/0x720
 addrconf_ifdown+0x15d/0x1880
 addrconf_notify+0x1bc/0x1010
 notifier_call_chain+0x1b6/0x3e0
 __dev_notify_flags+0x18d/0x2e0
 netif_change_flags+0xe8/0x1a0
 do_setlink+0xc55/0x41c0
 rtnl_newlink+0x149f/0x1c70
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed22d8ebe9
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:00007fed20ff6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fed22fc5fa0 RCX: 00007fed22d8ebe9
RDX: 0000000000000000 RSI: 0000200000000140 RDI: 000000000000000b
RBP: 00007fed22e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fed22fc6038 R14: 00007fed22fc5fa0 R15: 00007fff102ce088
 </TASK>
