8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
==================================================================
BUG: KASAN: stack-out-of-bounds in memset include/linux/string.h:332 [inline]
BUG: KASAN: stack-out-of-bounds in ax25_getname+0x55/0x7a0 net/ax25/af_ax25.c:1409
Write of size 72 at addr ffff888085a8fcf8 by task syz-executor.0/7017

CPU: 0 PID: 7017 Comm: syz-executor.0 Not tainted 4.14.154 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report mm/kasan/report.c:409 [inline]
 kasan_report.cold+0xa9/0x2af mm/kasan/report.c:393
 check_memory_region_inline mm/kasan/kasan.c:260 [inline]
 check_memory_region+0x123/0x190 mm/kasan/kasan.c:267
 memset+0x24/0x40 mm/kasan/kasan.c:285
 memset include/linux/string.h:332 [inline]
 ax25_getname+0x55/0x7a0 net/ax25/af_ax25.c:1409
 get_raw_socket drivers/vhost/net.c:1044 [inline]
 get_socket drivers/vhost/net.c:1101 [inline]
 vhost_net_set_backend drivers/vhost/net.c:1136 [inline]
 vhost_net_ioctl+0xe91/0x14c0 drivers/vhost/net.c:1312
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45a219
RSP: 002b:00007f7951ce7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219
RDX: 0000000020d7c000 RSI: 000000004008af30 RDI: 0000000000000003
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7951ce86d4
R13: 00000000004c56ed R14: 00000000004da738 R15: 00000000ffffffff

The buggy address belongs to the page:
page:ffffea000216a3c0 count:0 mapcount:0 mapping:          (null) index:0x0
flags: 0x1fffc0000000000()
raw: 01fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888085a8fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1
 ffff888085a8fc80: f1 f1 f1 04 f2 04 f2 00 f2 f2 f2 00 f2 f2 f2 00
>ffff888085a8fd00: 00 00 00 00 00 04 f3 f3 f3 f3 f3 00 00 00 00 00
                                  ^
 ffff888085a8fd80: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2
 ffff888085a8fe00: 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 f3 f3 f3 f3
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