r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='wchan\x00')
r1 = memfd_create(&(0x7f0000000040)='wchan\x00', 0x0)
dup2(r1, r0)
copy_file_range(r1, &(0x7f0000000080)=0xfffffffffffff384, r0, 0x0, 0x0, 0x0)