toolchain: LLVM 11.0.0
config: defconfig + fuzzing.config + kcsan.config
================================================================================
UBSAN: object-size-mismatch in net/unix/af_unix.c:977:14
member access within address 0000000013712516 with insufficient space
for an object of type 'struct sockaddr_un'
CPU: 0 PID: 239 Comm: agetty Not tainted 5.16.0-rc4-00002-g5854738642b4 #1
Hardware name: linux,dummy-virt (DT)
Call trace:
 dump_backtrace+0x0/0x220
 show_stack+0x34/0x44
 dump_stack_lvl+0x100/0x168
 dump_stack+0x1c/0x28
 handle_object_size_mismatch+0x120/0x254
 __ubsan_handle_type_mismatch_v1+0x94/0xa8
 unix_autobind+0x100/0x2fc
 unix_stream_connect+0x408/0x7e8
 __sys_connect_file+0xb4/0xd4
 __arm64_sys_connect+0xd8/0x134
 invoke_syscall+0x74/0x1b0
 el0_svc_common+0x1a4/0x1d4
 do_el0_svc+0x4c/0xc8
 el0_svc+0x78/0x238
 el0t_64_sync_handler+0x68/0xac
 el0t_64_sync+0x180/0x184
================================================================================