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Rao" , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , kasan-dev@googlegroups.com, "David S. Miller" , Steven Rostedt , Mathieu Desnoyers , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Thomas Gleixner , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Jinchao Wang Subject: [PATCH v3 18/19] tools/ksw: add test script Date: Wed, 10 Sep 2025 13:31:16 +0800 Message-ID: <20250910053147.1152253-10-wangjinchao600@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250910053147.1152253-1-wangjinchao600@gmail.com> References: <20250910052335.1151048-1-wangjinchao600@gmail.com> <20250910053147.1152253-1-wangjinchao600@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Provide a shell script to trigger test cases. Signed-off-by: Jinchao Wang --- tools/kstackwatch/kstackwatch_test.sh | 40 +++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100755 tools/kstackwatch/kstackwatch_test.sh diff --git a/tools/kstackwatch/kstackwatch_test.sh b/tools/kstackwatch/kstackwatch_test.sh new file mode 100755 index 000000000000..61e171439ab6 --- /dev/null +++ b/tools/kstackwatch/kstackwatch_test.sh @@ -0,0 +1,40 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +echo "IMPORTANT: Before running, make sure you have updated the offset values!" + +usage() { + echo "Usage: $0 [0-3]" + echo " 0 - Canary Write Test" + echo " 1 - Canary Overflow Test" + echo " 2 - Silent Corruption Test" + echo " 3 - Recursive Corruption Test" +} + +run_test() { + local test_num=$1 + case "$test_num" in + 0) echo "canary_test_write+0x19" >/proc/kstackwatch + echo "test0" >/proc/kstackwatch_test ;; + 1) echo "canary_test_overflow+0x1a" >/proc/kstackwatch + echo "test1" >/proc/kstackwatch_test ;; + 2) echo "silent_corruption_victim+0x32 0:8" >/proc/kstackwatch + echo "test2" >/proc/kstackwatch_test ;; + 3) echo "recursive_corruption_test+0x21+3 0:8" >/proc/kstackwatch + echo "test3" >/proc/kstackwatch_test ;; + *) usage + exit 1 ;; + esac + # Reset watch after test + echo >/proc/kstackwatch +} + +# Check root and module +[ "$EUID" -ne 0 ] && echo "Run as root" && exit 1 +for f in /proc/kstackwatch /proc/kstackwatch_test; do + [ ! -f "$f" ] && echo "$f not found" && exit 1 +done + +# Run +[ -z "$1" ] && { usage; exit 0; } +run_test "$1" -- 2.43.0