r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/raw6\x00')
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x886c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r1, 0x0)
pread64(r0, &(0x7f0000002100)=""/4083, 0xff3, 0x2)