version 1.82, 2019/10/18 15:22:29 |
version 1.83, 2019/10/27 00:26:57 |
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which uses a per-function random cookie (located in the read-only ELF |
which uses a per-function random cookie (located in the read-only ELF |
<b>.openbsd.randomdata</b> section) to consistency-check the |
<b>.openbsd.randomdata</b> section) to consistency-check the |
return address on the stack. Implemented for AMD64 and ARM64 |
return address on the stack. Implemented for AMD64 and ARM64 |
by Todd Mortimer in OpenBSD 6.4. |
by Todd Mortimer in OpenBSD 6.4, and for Octeon in OpenBSD 6.7. |
<li><b>MAP_CONCEAL</b> addition to |
<li><b>MAP_CONCEAL</b> addition to |
<a href="https://man.openbsd.org/mmap.2">mmap(2)</a> |
<a href="https://man.openbsd.org/mmap.2">mmap(2)</a> |
disallows memory pages to be written to core dumps, preventing |
disallows memory pages to be written to core dumps, preventing |