<div dir="ltr">Hi,<div><br></div><div>i run NUT on a Raspberry Pi 3 Model B and after the latest OS Update i get the following Error from KFENCE, the current OS Version is the first with KFENCE so it possible that this Problem has was always existing.</div><div><br></div>[21963.079554] ==================================================================<br>[21963.079580] BUG: KFENCE: memory corruption in free_async+0x1d8/0x1e0<br>[21963.079580] <br>[21963.079604] Corrupted memory at 0x0000000025448a9e [ ! ! ! . . . . . . . . . . . . . ] (in kfence-#183):<br>[21963.079711]  free_async+0x1d8/0x1e0<br>[21963.079728]  usbdev_ioctl+0x138/0x1c40<br>[21963.079744]  __arm64_sys_ioctl+0xd0/0x130<br>[21963.079769]  invoke_syscall+0x7c/0x130<br>[21963.079793]  el0_svc_common.constprop.0+0x6c/0x160<br>[21963.079815]  do_el0_svc+0x38/0x120<br>[21963.079835]  el0_svc+0x34/0xc0<br>[21963.079856]  el0t_64_sync_handler+0x11c/0x150<br>[21963.079876]  el0t_64_sync+0x198/0x19c<br>[21963.079892] <br>[21963.079899] kfence-#183: 0x0000000070088b17-0x00000000bed184b6, size=5, cache=kmalloc-128<br>[21963.079899] <br>[21963.079916] allocated by task 1647 on cpu 2 at 21963.076359s:<br>[21963.079946]  proc_do_submiturb+0xdb0/0x1000<br>[21963.079962]  usbdev_ioctl+0x12c0/0x1c40<br>[21963.079977]  __arm64_sys_ioctl+0xd0/0x130<br>[21963.079999]  invoke_syscall+0x7c/0x130<br>[21963.080019]  el0_svc_common.constprop.0+0x6c/0x160<br>[21963.080040]  do_el0_svc+0x38/0x120<br>[21963.080060]  el0_svc+0x34/0xc0<br>[21963.080078]  el0t_64_sync_handler+0x11c/0x150<br>[21963.080097]  el0t_64_sync+0x198/0x19c<br>[21963.080111] <br>[21963.080117] freed by task 1647 on cpu 2 at 21963.079503s:<br>[21963.080155]  free_async+0x1d8/0x1e0<br>[21963.080170]  usbdev_ioctl+0x138/0x1c40<br>[21963.080184]  __arm64_sys_ioctl+0xd0/0x130<br>[21963.080206]  invoke_syscall+0x7c/0x130<br>[21963.080226]  el0_svc_common.constprop.0+0x6c/0x160<br>[21963.080247]  do_el0_svc+0x38/0x120<br>[21963.080267]  el0_svc+0x34/0xc0<br>[21963.080285]  el0t_64_sync_handler+0x11c/0x150<br>[21963.080304]  el0t_64_sync+0x198/0x19c<br>[21963.080318] <br>[21963.080327] CPU: 2 PID: 1647 Comm: usbhid-ups Tainted: G         C O       6.1.63 #1<br>[21963.080345] Hardware name: Raspberry Pi 3 Model B Rev 1.2 (DT)<br><div>[21963.080354] ================================================================== </div><div><br></div><div>The UPS is an Cyber Power Systems BR700ELCD with the following driver configuration</div><div><br></div><div>driver = usbhid-ups<br>   port = /dev/ttyUSB0<br>   desc = "BR700ELCD"<br>  pollinterval=10<br>       pollfreq=15<br></div><div><br></div><div>Is that an Configuration ore Hardware issue?<br><br>Kind regards</div><div>Dirk</div></div>