sctp: [Deprecated]: syz.1.22073 (pid 2435) Use of struct sctp_assoc_value in delayed_ack socket option.
Use struct sctp_sack_info instead
8021q: adding VLAN 0 to HW filter on device bond0
==================================================================
BUG: KASAN: global-out-of-bounds in __hw_addr_create+0xbe/0x250
Read of size 16 at addr ffffffff8c64ba20 by task syz.1.22073/2435

CPU: 0 UID: 0 PID: 2435 Comm: syz.1.22073 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
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 print_address_description+0x55/0x1e0
 print_report+0x58/0x70
 kasan_report+0x117/0x150
 kasan_check_range+0x264/0x2c0
 __asan_memcpy+0x29/0x70
 __hw_addr_create+0xbe/0x250
 __hw_addr_add_ex+0x1c2/0x520
 dev_mc_add+0xa1/0x120
 bond_enslave+0x2bf8/0x3c10
 do_set_master+0x533/0x6d0
 do_setlink+0x103d/0x45a0
 rtnl_newlink+0x15ad/0x1bb0
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1bd/0x2a0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd2459cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbd253ff028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fbd24815fa0 RCX: 00007fbd2459cdd9
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000000000000008
RBP: 00007fbd24632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbd24816038 R14: 00007fbd24815fa0 R15: 00007fff2d96d1a8
 </TASK>

The buggy address belongs to the variable:
 lacpdu_mcast_addr+0x0/0x40

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc64b
flags: 0xfff00000002000(reserved|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000002000 ffffea00003192c8 ffffea00003192c8 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffffffff8c64b900: 00 00 00 00 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
 ffffffff8c64b980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffffff8c64ba00: f9 f9 f9 f9 00 f9 f9 f9 00 00 00 00 00 00 00 00
                                  ^
 ffffffff8c64ba80: 00 00 04 f9 f9 f9 f9 f9 00 f9 f9 f9 00 00 06 f9
 ffffffff8c64bb00: f9 f9 f9 f9 00 00 00 00 00 00 01 f9 f9 f9 f9 f9
==================================================================
