r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='environ\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r1, 0x0)
pread64(r0, &(0x7f0000000100)=""/150, 0x96, 0x0)