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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?nSKVlvwnkqS6NOP2YGb0kq6ok9UN1iKiAQbpvh0aC+bq2mQQAaqBpBux3fKX?= =?us-ascii?Q?hYVLayBvXzRNdRiZXzhfHoOjdiTn7592JkF6hKGuzTpYHuxz4Of3Q9eXU3lY?= =?us-ascii?Q?4uDeSbboit1AxyZHWlbhIa62DpMIxJZBLNXHWdb276NmgsMIy1BAl7Qog+ao?= =?us-ascii?Q?9j/ieExHtx6PmCdvOAJP9jn6w6HNfqGj3TtQofRpx6mXbpRPpB3CBUB6xHyv?= =?us-ascii?Q?Iz4tgmA4Uffy+9sTaELU9+SSV6HWxeI6R2jBKRRF+MBjTPUEJcSN9K/SvZGx?= =?us-ascii?Q?XG8NxcL4Bc8WebDHvobIvwk/a4Bwu8VKLcY0rusWIYI+GqX1bodLSiDngezy?= =?us-ascii?Q?3JhdZA4dLVxw8TBhkOAl9ZLy+5ftDpnZza4sKFxYodB3XP9d4uOi0rQzeXm1?= =?us-ascii?Q?YSAfUC7PGaM8cMom9Ukfzk0mrU9q/a61kWO5J5kDst7yTt3dG+GPFl8Qaaig?= =?us-ascii?Q?EMp/fH4trcFYsIf4ezfGWLfa+XnWwrVWHK+9r1rZuB0PZyobPmAwC20bQm1a?= =?us-ascii?Q?t6CLrBn/1yE88h2BhRUiiXIvpL9TsPORgV9JMDATtVRoDIUg/3reBUuqw/cO?= =?us-ascii?Q?iOy0ILte842gUWeIjJR+/OEm/oztwXKgwDnxzeCLP+Fgk4ilMhPUHghEUwlx?= =?us-ascii?Q?tNbAQto2reyZuaHM9/PzwP3U+uWDpkeDzAVbyq/cosCs3EGqCb7Pr+g+4h/m?= =?us-ascii?Q?LrJ4mhLWfTmWVs4quCmO2fnqUmS9sB8OSgR6jdMXJGQ9TIt33jAocHHzPP7F?= =?us-ascii?Q?eFIXQJmqwHRXSDI0YaXS3+aCLEt4G+WMYAbEwC1b/TFyPp2SrRD46q2zBhYw?= =?us-ascii?Q?X+EmU6mk5uy1PHKq0doI2kqDW7GHfSmf3VM+1IdXuF2MoXc2FoCemjEn3bIR?= =?us-ascii?Q?Cq9UB3Ai+A/P/qc7nlDtsmXU3vuxtXTNC+tpHAr85d2z/v2sfjB2QFP2754d?= =?us-ascii?Q?V/gvgTxWRuy4PGha9bWmhbg2sY0iE08Kq3SP5XMiwdRYW8RBMkfqqlvrgP9I?= =?us-ascii?Q?U+dwLC+DdlN8xomSnUlV72Km34Dky3noLdG+RHEG6t6781QxHWh+b9tgX2ii?= =?us-ascii?Q?pm/KP7EgO5E6B54ou0F3pDnRz3LrsbfWu6be+noXTDV39sJ7rCZWl6285SgE?= =?us-ascii?Q?k+VsJmsDetiqvHFVWMNHnDB48T83FAYL+H3nvfvJBSDgmKjIZTsIbaN7PJJj?= =?us-ascii?Q?fZlSgWszKK64lUeIMDMOJP72n9eGMfti4zWSWMbhbkif3LZv61oNkv4fzzkM?= =?us-ascii?Q?qWSOz+j/WNmraJh1cuafCyfEEahfhmbBMWFvYCQ8wgUShgQOhTtwGnURlfZb?= =?us-ascii?Q?L9/JWmoMKlzBzW09tQAb+huYGQ8V4xtosdR/skLs4hc2GqTgttuAsRfkGUWk?= =?us-ascii?Q?7JGdZXSJFuuRknfe6Xmt72GcTFf4KZS3EsR1XAeeCwGwFTAdTQQ4GaPCnWkZ?= =?us-ascii?Q?PbDuXIpaAm1pP1Ld982OLFgkZ6jSgqRMe9jFmfsW0RU9vbZOJcsWJw=3D=3D?= X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: aedbf7ed-d600-40c5-92cb-08da08b34645 X-MS-Exchange-CrossTenant-AuthSource: MWHPR1001MB2365.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Mar 2022 07:45:29.9510 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 3fgWcWiNL8ftIxhOYY+cZw+Px5pMaptDeUjcTetROL2abXHR6KUOQ6SjBSRfDqV+iBdfpcpp7JzWhTKVS6DkpDmbc/7wTCqWzRouQXBJv2Q= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR10MB1671 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10289 signatures=693715 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 bulkscore=0 phishscore=0 suspectscore=0 mlxscore=0 adultscore=0 spamscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203180040 X-Proofpoint-ORIG-GUID: PMF1R2NYfYPYRpzThynZKScihLw2MWJB X-Proofpoint-GUID: PMF1R2NYfYPYRpzThynZKScihLw2MWJB Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 17, 2022 at 10:04:49AM -0700, Jonathan Lemon wrote: > On Thu, Mar 17, 2022 at 10:59:57AM +0300, Dan Carpenter wrote: > > The "chan" value comes from the user via sysfs. A large like UINT_MAX > > could overflow the buffer by three bytes. Make the buffer larger and > > use snprintf() instead of sprintf(). > > > > Fixes: 1aa66a3a135a ("ptp: ocp: Program the signal generators via PTP_CLK_REQ_PEROUT") > > Signed-off-by: Dan Carpenter > > This needs to be respun to catch up with the last patch. Thanks. It turns out you can't actually trigger this bug. Still using snprintf() is better so I will resend. regards, dan carpenter