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Correct which exploit mitigations are enabled by default #143961

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Jul 19, 2025
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Correct which exploit mitigations are enabled by default #143961

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22 changes: 11 additions & 11 deletions src/doc/rustc/src/exploit-mitigations.md
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Expand Up @@ -54,17 +54,17 @@ Summary of exploit mitigations supported by the Rust compiler when building
programs for the Linux operating system on the AMD64 architecture and
equivalent.

| Exploit mitigation | Supported and enabled by default | Since |
| - | - | - |
| Position-independent executable | Yes | 0.12.0 (2014-10-09) |
| Integer overflow checks | Yes (enabled when debug assertions are enabled, and disabled when debug assertions are disabled) | 1.1.0 (2015-06-25) |
| Non-executable memory regions | Yes | 1.8.0 (2016-04-14) |
| Stack clashing protection | Yes | 1.20.0 (2017-08-31) |
| Read-only relocations and immediate binding | Yes | 1.21.0 (2017-10-12) |
| Heap corruption protection | Yes | 1.32.0 (2019-01-17) (via operating system default or specified allocator) |
| Stack smashing protection | Yes | Nightly |
| Forward-edge control flow protection | Yes | Nightly |
| Backward-edge control flow protection (e.g., shadow and safe stack) | Yes | Nightly |
| Exploit mitigation | Supported | Enabled by default | Since |
| - | - | - | - |
| Position-independent executable | Yes | Yes | 0.12.0 (2014-10-09) |
| Integer overflow checks | Yes | (enabled when debug assertions are enabled, and disabled when debug assertions are disabled) | 1.1.0 (2015-06-25) |
| Non-executable memory regions | Yes | Yes | 1.8.0 (2016-04-14) |
| Stack clashing protection | Yes | Yes | 1.20.0 (2017-08-31) |
| Read-only relocations and immediate binding | Yes | Yes | 1.21.0 (2017-10-12) |
| Heap corruption protection | Yes | Yes | 1.32.0 (2019-01-17) (via operating system default or specified allocator) |
| Stack smashing protection | Yes | No, `-Z stack-protector` | Nightly |
| Forward-edge control flow protection | Yes | No, `-Z sanitizer=cfi` | Nightly |
| Backward-edge control flow protection (e.g., shadow and safe stack) | Yes | No, `-Z sanitizer=shadow-call-stack,safestack` | Nightly |

[^all-targets]: See <https://github.com/rust-lang/rust/tree/master/compiler/rustc_target/src/spec>
for a list of targets and their default options.
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