This uses /proc/self/mem to write to two unwritable memory pages. The first is a read-only page that the code itself maps. The second is a code page belonging to libc itself (the getchar function).
This ought to have been so much easier. Their opponents were a man down from the 16th minute, when Andrea Pinamonti was sent off for a studs-up challenge on Berat Djimsiti. Perhaps Atalanta let complacency creep in, multiplied by exhaustion from their midweek exertions. Or maybe Sassuolo deserve all the credit for the resilience they have developed this season under Fabio Grosso.
。业内人士推荐新收录的资料作为进阶阅读
That means a program has two parts:
return CombinedStorage([db_storage, csv_storage])