r0 = syz_open_procfs(0x0, &(0x7f0000000040)='cmdline\x00')
readv(r0, &(0x7f0000001600)=[{&(0x7f00000004c0)=""/4096, 0x1000}], 0x1)
read(r0, &(0x7f0000001640)=""/4096, 0x1000)