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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: uDCH6ydyqme9QsRZyZxLRwKuJidOalJZ X-Proofpoint-ORIG-GUID: EUZB2xcVd5Se3lTeye-fa0Exbp3518uq X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-22_09,2024-02-22_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=929 spamscore=0 clxscore=1011 mlxscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 bulkscore=0 priorityscore=1501 phishscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402220091 On 1/11/24 10:48, Nina Schoetterl-Glausch wrote: > If an integer's type has x bits, shifting the integer left by x or more > is undefined behavior. > This can happen in the rotate function when attempting to do a rotation > of the whole value by 0. > > Fixes: 0dd714bfd200 ("KVM: s390: selftest: memop: Add cmpxchg tests") > Signed-off-by: Nina Schoetterl-Glausch Acked-by: Janosch Frank