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Wed, 03 Jan 2024 04:17:34 -0800 (PST) Received: from localhost.localdomain ([106.51.190.199]) by smtp.gmail.com with ESMTPSA id y8-20020a17090264c800b001d1cd7e4ad2sm24158070pli.125.2024.01.03.04.17.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 04:17:34 -0800 (PST) From: Subramanya Swamy To: ltp@lists.linux.it Date: Wed, 3 Jan 2024 07:17:26 -0500 Message-Id: <20240103121726.1854-1-subramanya.swamy.linux@gmail.com> X-Mailer: git-send-email 2.39.3 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 1.0.3 at in-3.smtp.seeweb.it X-Virus-Status: Clean X-Spam-Status: No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE shortcircuit=no autolearn=disabled version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on in-3.smtp.seeweb.it Subject: [LTP] [PATCH v1] read_all :catch alignment faults while reading sys entries seen in commit :bc21785b7336619fb6a67f1fff5afdaf229acc X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Subramanya Swamy Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" Signed-off-by: Subramanya Swamy --- testcases/kernel/fs/read_all/read_all.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/testcases/kernel/fs/read_all/read_all.c b/testcases/kernel/fs/read_all/read_all.c index 266678ea7..95e3ca275 100644 --- a/testcases/kernel/fs/read_all/read_all.c +++ b/testcases/kernel/fs/read_all/read_all.c @@ -249,6 +249,20 @@ static void read_test(const int worker, const char *const path) } worker_heartbeat(worker); + /* + * This could catch any alignment faults while reading sys entries + * seen in commit :bc21785b7336619fb6a67f1fff5afdaf229acc so reading 1024 bytes + * in chunks of 8 bytes 128 times + */ + char check_buf[7]; + unsigned int i; + + for (i = 0; i < 128; i++) { + count = read(fd, check_buf, sizeof(check_buf)); + if (count == 0 || count < 0) + break; + } + count = read(fd, buf, sizeof(buf) - 1); elapsed = worker_elapsed(worker); @@ -713,5 +727,5 @@ static struct tst_test test = { .cleanup = cleanup, .test_all = run, .forks_child = 1, - .max_runtime = 100, + .max_runtime = 200, };