I tried Ubuntu kernel "4.18.0-17-generic #18~18.04.1-Ubuntu". Crashed the same way on high load as the 4.15.0-47 does.
Now testing 4.15.0-48 from Kai-Heng. Still haven't found the trigger for that bug. Seems to be load related - we're having five servers each running many threads reading/writing gigabytes of data to the share. There might be even 100+ processes trying to set a lock one the same file at the same time. Seems to get better if we reduce the number of parallel threads. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1824981 Title: cifs set_oplock buffer overflow in strcat To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824981/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs