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* [glibc] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS
@ 2022-01-31 14:29 Siddhesh Poyarekar
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From: Siddhesh Poyarekar @ 2022-01-31 14:29 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=829ea0caca35800c4ffbebced7c3271293811144
commit 829ea0caca35800c4ffbebced7c3271293811144
Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
Date: Thu Jan 27 14:33:49 2022 +0530
Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS
Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diff:
---
NEWS | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/NEWS b/NEWS
index 6599f1a4c3..61acf41e66 100644
--- a/NEWS
+++ b/NEWS
@@ -134,6 +134,12 @@ 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
+ the __builtin_dynamic_object_size function 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
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2022-01-31 14:29 [glibc] Mention _FORTIFY_SOURCE=3 for gcc12 in NEWS Siddhesh Poyarekar
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