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a=xqWC_Br6kY4A:10 a=x6icFKpwvdMA:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=a5pi9filAAAA:8 a=WRq7EF1z9Pdj5qcgLLIA:9 a=Mgsi1gaY6nDYMq3LkgpS:22 cc=ntf awl=host:12091 X-Proofpoint-ORIG-GUID: lTDztpx2sx6Wp8meKY3DVmIXbhRBUXWj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA2MDE3MCBTYWx0ZWRfXxktyAkEXq4Gg 4vuWctHvSguOUI1WI7pHBwCYBPt/g22a099NiydKHUwkd1BRsMUCtan8SGR2VVXQurHUZA9Fy2Y JZgx8zZiSCTjZ/tsogN3zf4Bg+KcwYrHg6Xv45D36+0oz+g5HAhk/ls8fItDuexO90axTD8bfk4 bHyRNflDwHAVStOEoIlbCLd9Nbo2m/9IP6DCnhAJuiQj9r89Ms4QPenoRzaYYe6UU0bIHD8cNPx rZhcXVXha4a8WJadFLhr6iB2D2ODbV2DXf+P9ujkQV5ylJalg/T5sgOxaXVOmHurbaXPDTj5xH9 bgnQ6tRACiTZ+N433mFSKtILwgVN8EPEx5SsSPXNe1353BBCiQLUFE8BKu/o3FXO+KxMEe/juey 8d8TBZ0upTBF/9zTR82rQphF8JfYAqx7OlhwIwoPbWreKwqB5tA= X-Proofpoint-GUID: lTDztpx2sx6Wp8meKY3DVmIXbhRBUXWj From: Eugene Loh Most of the err.* tests can still be run, since they test other failure modes. Signed-off-by: Eugene Loh --- .../unittest/actions/return/err.destructive.x | 1 + .../unittest/actions/return/tst.destructive.x | 67 +++++++++++++++++++ .../return/tst.override-getpid-entry.x | 1 + .../return/tst.override-getpid-return.x | 1 + 4 files changed, 70 insertions(+) create mode 120000 test/unittest/actions/return/err.destructive.x create mode 100755 test/unittest/actions/return/tst.destructive.x create mode 120000 test/unittest/actions/return/tst.override-getpid-entry.x create mode 120000 test/unittest/actions/return/tst.override-getpid-return.x diff --git a/test/unittest/actions/return/err.destructive.x b/test/unittest/actions/return/err.destructive.x new file mode 120000 index 000000000..2cb5b1159 --- /dev/null +++ b/test/unittest/actions/return/err.destructive.x @@ -0,0 +1 @@ +tst.destructive.s \ No newline at end of file diff --git a/test/unittest/actions/return/tst.destructive.x b/test/unittest/actions/return/tst.destructive.x new file mode 100755 index 000000000..d54bbb2fa --- /dev/null +++ b/test/unittest/actions/return/tst.destructive.x @@ -0,0 +1,67 @@ +#!/bin/bash +# +# Oracle Linux DTrace. +# Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved. +# Licensed under the Universal Permissive License v 1.0 as shown at +# http://oss.oracle.com/licenses/upl. + +# For us to use the return() action, the kernel needs to be configured +# properly. In /usr/include/linux/bpf.h, we see that bpf_override_return() +# needs both CONFIG_BPF_KPROBE_OVERRIDE and CONFIG_FUNCTION_ERROR_INJECTION. + +# To check kernel configuration parameters, check +# https://docs.rockylinux.org/10/gemstones/core/view_kernel_conf/ + +# Look for a file with kernel configuration parameters. + +file="" +for x in \ + /boot/config-$(uname -r) \ + /lib/modules/$(uname -r)/config \ + /lib/modules/$(uname -r)/build/.config \ + /usr/src/kernels/$(uname -r)/.config \ +; do + if [ -e $x ]; then + file=$x + fi +done + +# If such a file is found, look for the necessary parameters. + +if [ $file != "" ]; then + if ! grep -q CONFIG_BPF_KPROBE_OVERRIDE=y $file; then + echo need CONFIG_BPF_KPROBE_OVERRIDE=y for D return action, not found in $file + exit 2 + fi + if ! grep -q CONFIG_FUNCTION_ERROR_INJECTION=y $file; then + echo need CONFIG_FUNCTION_ERROR_INJECTION=y for D return action, not found in $file + exit 2 + fi + + exit 0 +fi + +# Some distributions, like Gentoo and Arch, use the configs kernel module to provide +# /proc/config.gz by default instead. + +if [ -e /proc/config.gz ]; then + echo try gentoo + # zcat /proc/config.gz | grep -i + # zgrep /proc/config.gz + if ! zgrep -q CONFIG_BPF_KPROBE_OVERRIDE=y /proc/config.gz; then + echo need CONFIG_BPF_KPROBE_OVERRIDE=y for D return action + exit 2 + fi + if ! zgrep -q grep CONFIG_FUNCTION_ERROR_INJECTION=y /proc/config.gz; then + echo need CONFIG_FUNCTION_ERROR_INJECTION=y for D return action + exit 2 + fi + + exit 0 +fi + + +# We cannot figure out the kernel configuration parameters. +# Go ahead, run the test, and hope for the best. + +exit 0 diff --git a/test/unittest/actions/return/tst.override-getpid-entry.x b/test/unittest/actions/return/tst.override-getpid-entry.x new file mode 120000 index 000000000..36e160027 --- /dev/null +++ b/test/unittest/actions/return/tst.override-getpid-entry.x @@ -0,0 +1 @@ +tst.destructive.x \ No newline at end of file diff --git a/test/unittest/actions/return/tst.override-getpid-return.x b/test/unittest/actions/return/tst.override-getpid-return.x new file mode 120000 index 000000000..36e160027 --- /dev/null +++ b/test/unittest/actions/return/tst.override-getpid-return.x @@ -0,0 +1 @@ +tst.destructive.x \ No newline at end of file -- 2.47.3