On 08/28/2018 09:49 AM, Joseph Salisbury wrote: > This is probably the fix: > 22be37acce25 ext4: fix bitmap position validation > > I built a test kernel with commit 22be37acce25. The test kernel can be > downloaded from: > http://kernel.ubuntu.com/~jsalisbury/lp1789131 > > Can you test this kernel and see if it resolves this bug?
Yes, it does. Out of curiosity, how do you think this was missed originally? It's in the 3.16 LTS tree. -- 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/1789131 Title: Probable regression with EXT3 file systems and CVE-2018-1093 patches Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: In Progress Bug description: A customer reported on all of their ext3 and none of their ext4 systems that the file system was in read-only mode, I believe after rebooting into 3.13.0-157.207 from 3.13.0-156.206. Here is the output of tune2fs -l for one of the file systems: tune2fs 1.42.12 (29-Aug-2014) Last mounted on: / Filesystem UUID: 748f503a-443d-4769-8dd2-45ff46b48555 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super large_file Filesystem flags: signed_directory_hash Default mount options: (none) Filesystem state: clean with errors Errors behavior: Continue Filesystem OS type: Linux Inode count: 1966080 Block count: 7863296 Reserved block count: 393164 Free blocks: 4568472 Free inodes: 1440187 First block: 0 Block size: 4096 Fragment size: 4096 Reserved GDT blocks: 1022 Blocks per group: 32768 Fragments per group: 32768 Inodes per group: 8192 Inode blocks per group: 512 RAID stride: 128 RAID stripe width: 512 Filesystem created: Thu Feb 25 21:54:24 2016 Last mount time: Fri Aug 24 07:40:51 2018 Last write time: Fri Aug 24 07:40:51 2018 Mount count: 1 Maximum mount count: 25 Last checked: Fri Aug 24 07:38:54 2018 Check interval: 15552000 (6 months) Next check after: Wed Feb 20 07:38:54 2019 Lifetime writes: 7381 GB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 256 Required extra isize: 28 Desired extra isize: 28 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: d6564a54-cd2a-4804-ad94-1e4e0e47933a Journal backup: inode blocks FS Error count: 210 First error time: Fri Aug 24 07:40:51 2018 First error function: ext4_validate_block_bitmap First error line #: 376 First error inode #: 0 First error block #: 0 Last error time: Sun Aug 26 19:35:16 2018 Last error function: ext4_remount Last error line #: 4833 Last error inode #: 0 Last error block #: 0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1789131/+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
