Public bug reported:
The gamatronic UPS driver in nut 2.7.4-14ubuntu2 randomly crashes after
a memory violation attempt. This usually happens after many hours of
operation, typically after 20h or more, and started after the update to
jammy. No similar problems happened on focal.
116159.602986 UPS<--PC: "0,599,1,1237,0015,00172,020,,,,,,,,"
116159.603047 PC-->UPS: "^P003ST5"
116159.603130 send returned: 8
116160.836034 UPS<--PC: "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0"
116160.836062 PC-->UPS: "^P003ST1"
116160.836143 send returned: 8
116162.085828 UPS<--PC: "0,0,0,00000,999,100,0273,0004,00"
116162.085881 PC-->UPS: "^P003ST4"
116162.085973 send returned: 8
116163.308513 UPS<--PC: "600,1,1237,0015,00173,,,,,,"
116163.308537 PC-->UPS: "^P003ST2"
116163.308614 send returned: 8
116164.513013 UPS<--PC: "000,1,600,1294,,,,,,,,,,"
116164.513076 PC-->UPS: "^P003ST3"
116164.513159 send returned: 8
116165.785520 UPS<--PC: "0,599,1,1237,0015,00174,021,,,,,,,,"
*** stack smashing detected ***: terminated
Aborted
Broadcast message from nut@hiccup (somewhere) (Mon May 30 16:49:10 2022):
Communications with UPS nhs@localhost lost
The driver is being used with the following device:
device.mfr: NHS Sistemas de Energia
device.model: PDV SENOIDAL 1400 VA
device.type: ups
driver.name: gamatronic
driver.parameter.pollinterval: 2
driver.parameter.port: /dev/ttyACM0
driver.parameter.synchronous: no
driver.version: 2.7.4
driver.version.internal: 0.02
Additional contextual information:
Description: Ubuntu 22.04 LTS
Release: 22.04
nut-server:
Installed: 2.7.4-14ubuntu2
Candidate: 2.7.4-14ubuntu2
Version table:
*** 2.7.4-14ubuntu2 500
500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
100 /var/lib/dpkg/status
What you expected to happen: process not crashing
What happened instead: process crashed (boo)
** Affects: nut (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "core dump"
https://bugs.launchpad.net/bugs/1976307/+attachment/5593932/+files/core.xz
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https://bugs.launchpad.net/bugs/1976307
Title:
Stack smashing in gamatronic driver
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