There are many ways to corrupt stack or pointers to stack. Since this issue happens in out-of-tree mlx5 modules, it looks to me that where you shall look at.
Please let us know if you can reproduce this issue without any out-of- tree module. ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid ** Changed in: kunpeng920 Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1935583 Title: Kernel panic on Bionic 5.4.0-47-generic To manage notifications about this bug go to: https://bugs.launchpad.net/kunpeng920/+bug/1935583/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs