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