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Config.in: disable Fortify Source for microblaze

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As reported by Toolchain-builder project [1], the microblaze glibc
toolchain creates a system that doesn't boot when FORTIFY_SOURCE is
enabled: the init process hangs.

Also, hardening features may not be wanted or possible for such
slow soft-core cpus [2].

Note: for completeness, BR2_RELRO_PARTIAL was manually tested and it
does boot.

[1] https://gitlab.com/bootlin/toolchains-builder/-/jobs/1467624500
[2] http://lists.busybox.net/pipermail/buildroot/2021-June/312416.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Romain Naour 2021-08-21 00:53:41 +02:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 181a5e229b
commit 2e94aeed1a
1 changed files with 8 additions and 0 deletions
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8
Config.in
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@ -853,9 +853,16 @@ endchoice
comment "RELocation Read Only (RELRO) needs shared libraries"
depends on !BR2_SHARED_LIBS
config BR2_FORTIFY_SOURCE_ARCH_SUPPORTS
bool
default y
# Microblaze glibc toolchains don't work with Fortify Source enabled
depends on !BR2_microblaze
choice
bool "Buffer-overflow Detection (FORTIFY_SOURCE)"
default BR2_FORTIFY_SOURCE_1
depends on BR2_FORTIFY_SOURCE_ARCH_SUPPORTS
depends on BR2_TOOLCHAIN_USES_GLIBC
depends on !BR2_OPTIMIZE_0
help
@ -896,6 +903,7 @@ config BR2_FORTIFY_SOURCE_2
endchoice
comment "Fortify Source needs a glibc toolchain and optimization"
depends on BR2_FORTIFY_SOURCE_ARCH_SUPPORTS
depends on (!BR2_TOOLCHAIN_USES_GLIBC || BR2_OPTIMIZE_0)
endmenu