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BUG: KASAN: null-ptr-deref in memcpy include/linux/fortify-string.h:191 [inline]
BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x540 net/nfc/llcp_sock.c:523
Read of size 43 at addr 0000000000000000 by task syz-executor.4/9274

CPU: 0 PID: 9274 Comm: syz-executor.4 Not tainted 5.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x141/0x1d7 lib/dump_stack.c:120
 __kasan_report mm/kasan/report.c:423 [inline]
 kasan_report.cold+0x5f/0xd8 mm/kasan/report.c:436
 check_region_inline mm/kasan/generic.c:180 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:186
 memcpy+0x20/0x60 mm/kasan/shadow.c:65
 memcpy include/linux/fortify-string.h:191 [inline]
 llcp_sock_getname+0x358/0x540 net/nfc/llcp_sock.c:523
 __sys_getpeername+0x10b/0x250 net/socket.c:1925
 __do_sys_getpeername net/socket.c:1938 [inline]
 __se_sys_getpeername net/socket.c:1935 [inline]
 __x64_sys_getpeername+0x6f/0xb0 net/socket.c:1935
 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f007f376188 EFLAGS: 00000246 ORIG_RAX: 0000000000000034
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665d9
RDX: 00000000200007c0 RSI: 0000000020000040 RDI: 0000000000000004
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007fff81594aef R14: 00007f007f376300 R15: 0000000000022000
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