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Thu, 23 Feb 2023 23:11:39 +0000 (GMT) From: Ilya Leoshkevich To: =?utf-8?q?Alex_Benn=C3=A9e?= , Laurent Vivier Cc: qemu-devel@nongnu.org, Christian Borntraeger , Ilya Leoshkevich Subject: [PATCH v2 0/2] linux-user: Fix unaligned memory access in prlimit64 syscall Date: Fri, 24 Feb 2023 00:11:35 +0100 Message-Id: <20230223231137.186344-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.1 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: TYwDzRCY-FutoRznoGwMvBGPH2gChlO4 X-Proofpoint-ORIG-GUID: TYwDzRCY-FutoRznoGwMvBGPH2gChlO4 X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.170.22 definitions=2023-02-23_13,2023-02-23_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 adultscore=0 lowpriorityscore=0 mlxlogscore=999 suspectscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 priorityscore=1501 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302230192 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org v1: https://lists.gnu.org/archive/html/qemu-devel/2023-02/msg06999.html v1 -> v2: Fix by using proper target_rlimit64 alignment (Richard). Use __get_user() and __put_user() (Philippe - if I understood the suggestion correctly). Hi, Richard reported [1] that the new linux-fork-trap test was failing under UBSan [2], so it was excluded from the PR. This is a resend of the test plus the fix for the additional issue that it uncovered. [1] https://lists.gnu.org/archive/html/qemu-devel/2023-02/msg06130.html [2] https://gitlab.com/qemu-project/qemu/-/jobs/3807471447#L5064 Best regards, Ilya Ilya Leoshkevich (2): linux-user: Fix unaligned memory access in prlimit64 syscall tests/tcg/linux-test: Add linux-fork-trap test linux-user/generic/target_resource.h | 4 +- linux-user/syscall.c | 8 ++-- tests/tcg/multiarch/linux/linux-fork-trap.c | 51 +++++++++++++++++++++ 3 files changed, 57 insertions(+), 6 deletions(-) create mode 100644 tests/tcg/multiarch/linux/linux-fork-trap.c