r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='mountinfo\x00')
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
r2 = dup2(r1, r0)
mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x1, 0x2012, r2, 0x0)