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BUG: KASAN: null-ptr-deref in memcpy syzkaller/managers/linux-4-14/kernel/./include/linux/string.h:372 [inline]
BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x38c/0x580 syzkaller/managers/linux-4-14/kernel/net/nfc/llcp_sock.c:532
Read of size 1 at addr           (null) by task syz-executor.2/26585

CPU: 1 PID: 26585 Comm: syz-executor.2 Not tainted 4.14.218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 syzkaller/managers/linux-4-14/kernel/lib/dump_stack.c:58
 kasan_report_error.cold+0x144/0x191 syzkaller/managers/linux-4-14/kernel/mm/kasan/report.c:349
 kasan_report+0x6f/0x80 syzkaller/managers/linux-4-14/kernel/mm/kasan/report.c:409
 memcpy+0x20/0x50 syzkaller/managers/linux-4-14/kernel/mm/kasan/kasan.c:302
 memcpy syzkaller/managers/linux-4-14/kernel/./include/linux/string.h:372 [inline]
 llcp_sock_getname+0x38c/0x580 syzkaller/managers/linux-4-14/kernel/net/nfc/llcp_sock.c:532
 SYSC_getpeername syzkaller/managers/linux-4-14/kernel/net/socket.c:1715 [inline]
 SyS_getpeername+0x109/0x220 syzkaller/managers/linux-4-14/kernel/net/socket.c:1699
 do_syscall_64+0x1d5/0x640 syzkaller/managers/linux-4-14/kernel/arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x465b09
RSP: 002b:00007fad8cff1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000034
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 00000000200000c0 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffd70e5b99f R14: 00007fad8cff1300 R15: 0000000000022000
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