I built a Xenial test kernel with commit 596cf3fe5854fe2b1703b0466ed6bf9cfb83c91e. The test kernel can be downloaded from: http://kernel.ubuntu.com/~jsalisbury/lp1793753
Can you test this kernel and see if it resolves this bug? If you are unable to test, could you provide the commands that you found to reproduce this bug? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1793753 Title: kernel panic - null pointer dereference on ipset operations Status in linux package in Ubuntu: In Progress Status in linux source package in Xenial: In Progress Bug description: Hi, We've experienced crashes on machines running iptables using ipsets. We could get a trace from the console on one of them (attached file kernel-trace.txt). On these machines, some ipset commands are automatically run to update the sets, and/or to dump them (ipset restore, swap, delete ... / ipset save). We strongly suspect the panic is happening due to a race when ipset updates happen at the same time as a dump. These machines are running xenial. Before the crash, they were on 4.4.0-116-generic #140-Ubuntu, but then rebooted into 4.4.0-135-generic #161-Ubuntu. I have an ipset save running in loops on one of these machines to try and reproduce quicker. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1793753/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
