Herman ten Brugge via Tinycc-devel wrote:
+#if 0 /* does not work with fork */
ptr = mmap (NULL, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
prx = mmap (NULL, size, PROT_READ|PROT_EXEC, MAP_SHARED, fd, 0);
+#else
+ ptr = prx = mmap (NULL, size, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE, fd, 0);
+#endif
Might depend on what selinux features you have enabled but IIRC
alpine musl for example did not allow to run code from memory
that once was allocated as writable.
--- grischka
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