[v2] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS
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Build for i686
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Commit Message
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
---
NEWS | 5 +++++
1 file changed, 5 insertions(+)
Comments
On Jan 27 2022, Siddhesh Poyarekar via Libc-alpha wrote:
> + __builtin_dynamic_object_size() to deliver additional fortification balanced
the __builtin_dynamic_object_size function
@@ -134,6 +134,11 @@ Major new features:
controlling terminal in the new process in a race free manner. These
functions are GNU extensions.
+* Source fortification (_FORTIFY_SOURCE) level 3 is now available for
+ applications compiling with glibc and gcc 12 and later. Level 3 leverages
+ __builtin_dynamic_object_size() to deliver additional fortification balanced
+ against additional runtime cost (checking non-constant bounds).
+
Deprecated and removed features, and other changes affecting compatibility:
* On x86-64, the LD_PREFER_MAP_32BIT_EXEC environment variable support