This module in attach (similar to the one posted by @mjeanson) has been used as an effective reproducer for this bug. It looks like we need to reboot the system a couple of times and load this module to immediately trigger the bug.
** Attachment added: "vmalloc_sync_all() stress test" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1830433/+attachment/5270656/+files/vmalloc-stress-test.c -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1830433 Title: 32-bit x86 kernel 4.15.0-50 crash in vmalloc_sync_all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1830433/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
