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Build the static world with -fcf-protection=none #13

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Build the static world with -fcf-protection=none #13

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e8dc6bc
Unrot the libapparmor1 and libexpat1 qemu pins
buyemune-sys Oct 20, 2026
c388e1a
Build the static world with -fcf-protection=none
buyemune-sys Oct 17, 2026
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8 changes: 8 additions & 0 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,14 @@ jobs:
key: corpus-x86_64-${{ hashFiles('tst/corpus_x86_64.json', 'build.py') }}
restore-keys: corpus-x86_64-

# Ubuntu's GCC defaults to -fcf-protection, which the static world
# has to opt out of; no other job builds with it.
- name: GCC
env:
CC: gcc
CXX: g++
run: ./build -j12 solo

- name: Bridge
env:
CC: clang
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10 changes: 8 additions & 2 deletions build.py
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Expand Up @@ -271,6 +271,12 @@ def muslSources():
"-fdata-sections",
"-fno-stack-protector",
"-fno-omit-frame-pointer",
# Distribution compilers may default to -fcf-protection (Ubuntu's GCC
# does), which defines __CET__ and makes libunwind's assembly include
# the compiler's <cet.h> — unreachable under -nostdinc. musl carries no
# CET markers, so the static world cannot run with IBT or shadow stacks
# anyway.
"-fcf-protection=none",
]
if machine == "aarch64":
# The static world links no libgcc, so the LSE outline-atomic helpers
Expand Down Expand Up @@ -1307,7 +1313,7 @@ def downloadPackage(name, url, filename, sha256):
("systemd_deb", f"{qemu_ubuntu_pool}/s/systemd/systemd_255.4-1ubuntu8.17_amd64.deb", "systemd_255.4-1ubuntu8.17_amd64.deb", "250345b73e42a97ee71cae7c1e470897dfad3c639eb0a7aafe4f9a3a29871cb2"),
("libsystemd_shared_deb", f"{qemu_ubuntu_pool}/s/systemd/libsystemd-shared_255.4-1ubuntu8.17_amd64.deb", "libsystemd-shared_255.4-1ubuntu8.17_amd64.deb", "8722a69d99c1a7e6f72c5389e9c6d8053d95d2f5f4fede5dc83118f735812518"),
("libsystemd0_deb", f"{qemu_ubuntu_pool}/s/systemd/libsystemd0_255.4-1ubuntu8.17_amd64.deb", "libsystemd0_255.4-1ubuntu8.17_amd64.deb", "4776d2ac7e21efe2ae31f3f7955a7ccd97277225eecf36910a26faf4544979ae"),
("libapparmor1_deb", f"{qemu_ubuntu_pool}/a/apparmor/libapparmor1_4.0.1really4.0.1-0ubuntu0.24.04.7_amd64.deb", "libapparmor1_4.0.1really4.0.1-0ubuntu0.24.04.7_amd64.deb", "4205351c37f4e813f1ca81b6d59a00071f0f70869e652f4ab9e5ba7e5e895d34"),
("libapparmor1_deb", f"{qemu_ubuntu_pool}/a/apparmor/libapparmor1_4.0.1really4.0.1-0ubuntu0.24.04.9_amd64.deb", "libapparmor1_4.0.1really4.0.1-0ubuntu0.24.04.9_amd64.deb", "75b570d7517e24c3693c4503b4691ac1fd82934d93faa91460309f22104c5617"),
("libcryptsetup12_deb", f"{qemu_ubuntu_pool}/c/cryptsetup/libcryptsetup12_2.7.0-1ubuntu4.2_amd64.deb", "libcryptsetup12_2.7.0-1ubuntu4.2_amd64.deb", "f6f6a7f35104da711997b52c92ab91ce1f47dd039d276d5beb797d713447c9f2"),
("libfdisk1_deb", f"{qemu_ubuntu_pool}/u/util-linux/libfdisk1_2.39.3-9ubuntu6.6_amd64.deb", "libfdisk1_2.39.3-9ubuntu6.6_amd64.deb", "7f67b127d239f51218c1eb63c3b0c219bbf26f450349bed9ad5d9f10a6b80c1b"),
("libkmod2_deb", f"{qemu_ubuntu_pool}/k/kmod/libkmod2_31+20240202-2ubuntu7.2_amd64.deb", "libkmod2_31+20240202-2ubuntu7.2_amd64.deb", "a9cbdc424bc0a5c8af3d6445488a48de76df5ff4d76b7dab8aaf88f712358bbc"),
Expand All @@ -1317,7 +1323,7 @@ def downloadPackage(name, url, filename, sha256):
("dbus_session_bus_common_deb", f"{qemu_ubuntu_pool}/d/dbus/dbus-session-bus-common_1.14.10-4ubuntu4.1_all.deb", "dbus-session-bus-common_1.14.10-4ubuntu4.1_all.deb", "aa88bf2f2107e7d948d0e01001b447fc6cae81b285a6e7daf33dcb62737de62f"),
("dbus_system_bus_common_deb", f"{qemu_ubuntu_pool}/d/dbus/dbus-system-bus-common_1.14.10-4ubuntu4.1_all.deb", "dbus-system-bus-common_1.14.10-4ubuntu4.1_all.deb", "4db2e3e18c6abee1a1d1e2f91289e229dd862e6e1ef00463c5533c612c4f1809"),
("libdbus_1_3_deb", f"{qemu_ubuntu_pool}/d/dbus/libdbus-1-3_1.14.10-4ubuntu4.1_amd64.deb", "libdbus-1-3_1.14.10-4ubuntu4.1_amd64.deb", "5d630480f04b4b442300ce847a3fa705ea4d14d80ba6de91f99b51a4e4953b08"),
("libexpat1_deb", f"{qemu_ubuntu_pool}/e/expat/libexpat1_2.6.1-2ubuntu0.4_amd64.deb", "libexpat1_2.6.1-2ubuntu0.4_amd64.deb", "126a5612e652bdc2edee19ae8fe4308db72b5b3b0a5581bf885b44a093baf3e5"),
("libexpat1_deb", f"{qemu_ubuntu_pool}/e/expat/libexpat1_2.6.1-2ubuntu0.6_amd64.deb", "libexpat1_2.6.1-2ubuntu0.6_amd64.deb", "494b8e672f722130c6bca6a7bc4cc31a43ca891a31d60d868bfdd699a3c20b13"),
],
"aarch64": [],
}[machine]
Expand Down