Messages in this thread | | | Date | Tue, 7 May 2019 01:58:42 +0100 | From | Al Viro <> | Subject | [git pull] vfs.git pile 2: several fixes to backport |
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acct_on() fix for deadlock caught be overlayfs folks, autofs RCU use-after-free SNAFU (->d_manage() can be called lockless, so we need to RCU-delay freeing the objects it looks at) and (hopefully) the end of "do we need freeing this dentry RCU-delayed" whack-a-mole.
The following changes since commit 79a3aaa7b82e3106be97842dedfd8429248896e6:
Linux 5.1-rc3 (2019-03-31 14:39:29 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git stable-fodder
for you to fetch changes up to ce285c267a003acbf607f3540ff71287f82e5282:
autofs: fix use-after-free in lockless ->d_manage() (2019-04-09 19:18:19 -0400)
---------------------------------------------------------------- Al Viro (3): acct_on(): don't mess with freeze protection dcache: sort the freeing-without-RCU-delay mess for good. autofs: fix use-after-free in lockless ->d_manage()
Documentation/filesystems/porting | 5 +++++ fs/autofs/autofs_i.h | 1 + fs/autofs/inode.c | 2 +- fs/dcache.c | 24 +++++++++++++----------- fs/internal.h | 2 -- fs/nsfs.c | 3 +-- include/linux/dcache.h | 2 +- include/linux/mount.h | 2 ++ kernel/acct.c | 4 ++-- 9 files changed, 26 insertions(+), 19 deletions(-)
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