git: a8af3aee4b45 - main - src.conf.5: regen after RELRO knob addition
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Date: Wed, 22 Jun 2022 16:21:46 UTC
The branch main has been updated by emaste:
URL: https://cgit.FreeBSD.org/src/commit/?id=a8af3aee4b45c619f4638789af518d068d5de682
commit a8af3aee4b45c619f4638789af518d068d5de682
Author: Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2022-06-22 16:21:31 +0000
Commit: Ed Maste <emaste@FreeBSD.org>
CommitDate: 2022-06-22 16:21:31 +0000
src.conf.5: regen after RELRO knob addition
---
share/man/man5/src.conf.5 | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/share/man/man5/src.conf.5 b/share/man/man5/src.conf.5
index fec3a7ab6069..f1ca36e5597d 100644
--- a/share/man/man5/src.conf.5
+++ b/share/man/man5/src.conf.5
@@ -1,6 +1,6 @@
.\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
.\" $FreeBSD$
-.Dd June 8, 2022
+.Dd June 22, 2022
.Dt SRC.CONF 5
.Os
.Sh NAME
@@ -196,6 +196,13 @@ Build all binaries with the
.Dv DF_BIND_NOW
flag set to indicate that the run-time loader should perform all relocation
processing at process startup rather than on demand.
+The combination of the
+.Va BIND_NOW
+and
+.Va RELRO
+options provide "full" Relocation Read-Only (RELRO) support.
+With full RELRO the entire GOT is made read-only after performing relocation at
+startup, avoiding GOT overwrite attacks.
.It Va WITHOUT_BLACKLIST
Set this if you do not want to build
.Xr blacklistd 8
@@ -651,8 +658,8 @@ Avoid installing examples to
Include experimental features in the build.
.It Va WITH_EXTRA_TCP_STACKS
Build extra TCP stack modules.
-.It Va WITHOUT_FDT
-Do not build Flattened Device Tree support as part of the base system.
+.It Va WITH_FDT
+Build Flattened Device Tree support as part of the base system.
This includes the device tree compiler (dtc) and libfdt support library.
.It Va WITHOUT_FILE
Do not build
@@ -1416,6 +1423,11 @@ by proxy.
.It Va WITHOUT_RBOOTD
Do not build or install
.Xr rbootd 8 .
+.It Va WITHOUT_RELRO
+Do not apply the Relocation Read-Only (RELRO) vulnerability mitigation.
+See also the
+.Va BIND_NOW
+option.
.It Va WITH_REPRODUCIBLE_BUILD
Exclude build metadata (such as the build time, user, or host)
from the kernel, boot loaders, and uname output, so that builds produce