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test: ignore gcov errors with RestrictFileSystems=

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The errors are valid, since the file system is indeed not writable, but
we don't care about the missing coverage data in this case.

Follow-up to 4a43c2b3a1.
This commit is contained in:
Frantisek Sumsal
2023-11-29 13:36:54 +01:00
parent c52f6cdcb8
commit ee77e0b2de
1 changed files with 5 additions and 2 deletions
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7
test/units/testsuite-07.exec-context.sh
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@@ -291,12 +291,15 @@ systemd-run --wait --pipe "${ARGUMENTS[@]}" \
#
# Note: running instrumented binaries requires at least /proc to be accessible, so let's
# skip the test when we're running under sanitizers
#
# Note: $GCOV_ERROR_LOG is used during coverage runs to suppress errors when creating *.gcda files,
# since gcov can't access the restricted filesystem (as expected)
if [[ ! -v ASAN_OPTIONS ]] && systemctl --version | grep "+BPF_FRAMEWORK" && kernel_supports_lsm bpf; then
ROOTFS="$(df --output=fstype /usr/bin | sed --quiet 2p)"
systemd-run --wait --pipe -p RestrictFileSystems="" ls /
systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS foo bar" ls /
(! systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS" ls /proc)
(! systemd-run --wait --pipe -p RestrictFileSystems="foo" ls /)
(! systemd-run --wait --pipe -p GCOV_ERROR_LOG=/dev/null -p RestrictFileSystems="foo" ls /)
systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS foo bar baz proc" ls /proc
systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS @foo @basic-api" ls /proc
systemd-run --wait --pipe -p RestrictFileSystems="$ROOTFS @foo @basic-api" ls /sys/fs/cgroup
@@ -304,7 +307,7 @@ if [[ ! -v ASAN_OPTIONS ]] && systemctl --version | grep "+BPF_FRAMEWORK" && ker
systemd-run --wait --pipe -p RestrictFileSystems="~" ls /
systemd-run --wait --pipe -p RestrictFileSystems="~proc" ls /
systemd-run --wait --pipe -p RestrictFileSystems="~@basic-api" ls /
(! systemd-run --wait --pipe -p RestrictFileSystems="~$ROOTFS" ls /)
(! systemd-run --wait --pipe -p GCOV_ERROR_LOG=/dev/null -p RestrictFileSystems="~$ROOTFS" ls /)
(! systemd-run --wait --pipe -p RestrictFileSystems="~proc" ls /proc)
(! systemd-run --wait --pipe -p RestrictFileSystems="~@basic-api" ls /proc)
(! systemd-run --wait --pipe -p RestrictFileSystems="~proc foo @bar @basic-api" ls /proc)