------- Comment From geral...@de.ibm.com 2016-06-14 12:31 EDT------- I verified that the kernel in -proposed (4.4.0-25.44) fixes the problem.
** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- 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/1584828 Title: s390/pci: fix use after free in dma_init Status in Ubuntu on IBM z Systems: Fix Committed Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Released Bug description: == Comment: #0 - Hendrik Brueckner <brueck...@de.ibm.com> - 2016-05-23 09:09:00 == Please backport upstream Linux commit ID: commit dba599091c191d209b1499511a524ad9657c0e5a Author: Sebastian Ott <seb...@linux.vnet.ibm.com> Date: Fri Apr 15 09:41:35 2016 +0200 s390/pci: fix use after free in dma_init After a failure during registration of the dma_table (because of the function being in error state) we free its memory but don't reset the associated pointer to zero. When we then receive a notification from firmware (about the function being in error state) we'll try to walk and free the dma_table again. Fix this by resetting the dma_table pointer. In addition to that make sure that we free the iommu_bitmap when appropriate. Signed-off-by: Sebastian Ott <seb...@linux.vnet.ibm.com> Reviewed-by: Gerald Schaefer <gerald.schae...@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidef...@de.ibm.com> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1584828/+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
