[Kernel-packages] [Bug 1375416] Re: AppArmor leaks kernel memory during profile reloads
The reproducer triggers the leak on Trusty (Ubuntu-3.13.0-37.64) but not Precise (Ubuntu-3.2.0-70.105). I didn't test Lucid. -- 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/1375416 Title: AppArmor leaks kernel memory during profile reloads Status in “linux” package in Ubuntu: Confirmed Bug description: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. These leaks can be reproduced with debug kernel builds of Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present before and after the apparmor 3 RC 1 sync. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375416/+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
[Kernel-packages] [Bug 1375416] Re: AppArmor leaks kernel memory during profile reloads
I'm going to reduce the priority of this to Medium since it exists on trusty and noone has reported it yet. We still need to fix it, but there are likely others things we want to get to first. ** Changed in: linux (Ubuntu) Importance: High = Medium ** Changed in: linux (Ubuntu) Milestone: ubuntu-14.10 = None ** Tags removed: ota-2 -- 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/1375416 Title: AppArmor leaks kernel memory during profile reloads Status in “linux” package in Ubuntu: Confirmed Bug description: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. These leaks can be reproduced with debug kernel builds of Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present before and after the apparmor 3 RC 1 sync. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375416/+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
[Kernel-packages] [Bug 1375416] Re: AppArmor leaks kernel memory during profile reloads
** Description changed: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. + + These leaks can be reproduced with debug kernel builds of + Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present + before and after the apparmor 3 RC 1 sync. -- 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/1375416 Title: AppArmor leaks kernel memory during profile reloads Status in “linux” package in Ubuntu: Confirmed Bug description: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. These leaks can be reproduced with debug kernel builds of Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present before and after the apparmor 3 RC 1 sync. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375416/+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
[Kernel-packages] [Bug 1375416] Re: AppArmor leaks kernel memory during profile reloads
I'm curious how far back this goes. Does it exist in trusty? precise? lucid? -- 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/1375416 Title: AppArmor leaks kernel memory during profile reloads Status in “linux” package in Ubuntu: Confirmed Bug description: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. These leaks can be reproduced with debug kernel builds of Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present before and after the apparmor 3 RC 1 sync. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375416/+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
[Kernel-packages] [Bug 1375416] Re: AppArmor leaks kernel memory during profile reloads
possibly trusty, though I did do a kmemleak check at the time and didn't notice anything. There where leaks during its dev cycle but I got at least most of them. Lucid and precise are very different in their code base, and while I won't claim there aren't leaks, they are much less likely. The list management and reference counting are simpler, nor do they have the rcu changes etc. -- 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/1375416 Title: AppArmor leaks kernel memory during profile reloads Status in “linux” package in Ubuntu: Confirmed Bug description: The kmemleak kernel debugging system indicates that AppArmor leaks kernel memory during profile reloads. I've attached a script (test.sh) that I can consistently reproduce the kmemleak report with. I've also attached the output of the script, which includes the kmemleak report. These leaks can be reproduced with debug kernel builds of Ubuntu-3.16.0-16.22 and Ubuntu-3.16.0-19.26, meaning that it is present before and after the apparmor 3 RC 1 sync. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1375416/+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
