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Drone: Report errors when failing to change KASLR

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This commit is contained in:
Alexander Grund
2024-11-27 14:58:16 +01:00
parent d6ccde90dc
commit b2e7e5cfbd
1 changed files with 14 additions and 7 deletions
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21
.drone/drone.sh
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@@ -22,13 +22,20 @@ set +x
echo '==================================> INSTALL'
if [[ $(uname) == "Linux" ]]; then
# Temporarily allow failures changing those values as the job might not need them
set +e
# Avoid ASAN "DEADLYSIGNAL" errors
echo 0 | sudo tee /proc/sys/kernel/randomize_va_space
# Avoid TSAN "FATAL: ThreadSanitizer: unexpected memory mapping" errors
sudo sysctl vm.mmap_rnd_bits=28
set -e
error=0
if ! { echo 0 | sudo tee /proc/sys/kernel/randomize_va_space > /dev/null; } && [[ -n ${B2_ASAN:-} ]]; then
echo -e "\n\nWARNING: Failed to disable KASLR. ASAN might fail with 'DEADLYSIGNAL'."
error=1
fi
# sysctl just ignores some failures and does't return an error, only output
if { ! out=$(sudo sysctl vm.mmap_rnd_bits=28 2>&1) || [[ "$out" == *"ignoring:"* ]]; } && [[ -n ${B2_TSAN:-} ]]; then
echo -e "\n\nWARNING: Failed to change KASLR. TSAN might fail with 'FATAL: ThreadSanitizer: unexpected memory mapping'."
error=1
fi
if ((error == 1)); then
[[ "${DRONE_EXTRA_PRIVILEGED:-0}" == "True" ]] || echo 'Try passing `privileged=True` to the job in .drone.star'
echo -e "\n"
fi
fi
scripts=(