[PATCH Xenial 00/11] CVE-2015-8952
Thadeu Lima de Souza Cascardo
cascardo at canonical.com
Thu Nov 16 16:17:38 UTC 2017
Besides the patches that introduce mbcache2 and use it on ext2 and ext4, some
followups that are referred in some of the CVE links were backported as well.
I have tested a xattr stress tool without the patches, which caused hangs. With
the patches, no hangs were seen, and the system was stable during the tests.
Andreas Gruenbacher (3):
ext4: kill ext4_mballoc_ready
mbcache: get rid of _e_hash_list_head
mbcache: add reusable flag to cache entries
Jan Kara (8):
mbcache2: reimplement mbcache
ext2: convert to mbcache2
ext4: convert to mbcache2
mbcache2: limit cache size
mbcache2: Use referenced bit instead of LRU
ext4: shortcut setting of xattr to the same value
mbcache: remove mbcache
mbcache2: rename to mbcache
fs/ext2/ext2.h | 3 +
fs/ext2/super.c | 25 +-
fs/ext2/xattr.c | 139 +++---
fs/ext2/xattr.h | 21 +-
fs/ext4/super.c | 19 +-
fs/ext4/xattr.c | 165 ++++---
fs/ext4/xattr.h | 3 +-
fs/mbcache.c | 1093 +++++++++++++++--------------------------------
include/linux/mbcache.h | 93 ++--
9 files changed, 577 insertions(+), 984 deletions(-)
--
2.14.1
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