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linux-uconsole/fs/ecryptfs
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Erez Zadok 8c53542618 ecryptfs: initialize private persistent file before dereferencing pointer 
commit e27759d7a3 upstream.

Ecryptfs_open dereferences a pointer to the private lower file (the one
stored in the ecryptfs inode), without checking if the pointer is NULL.
Right afterward, it initializes that pointer if it is NULL.  Swap order of
statements to first initialize.  Bug discovered by Duckjin Kang.

Signed-off-by: Duckjin Kang <fromdj2k@gmail.com>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Cc: Dustin Kirkland <kirkland@canonical.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Tyler Hicks <tyhicks@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-01-25 10:49:18 -08:00
..
crypto.c ecryptfs: use after free 2010-01-25 10:49:17 -08:00
debug.c eCryptfs: update comment and debug statement 2007-10-16 09:43:11 -07:00
dentry.c constify dentry_operations: ecryptfs 2009-03-27 14:44:01 -04:00
ecryptfs_kernel.h const: mark remaining address_space_operations const 2009-09-22 07:17:24 -07:00
file.c ecryptfs: initialize private persistent file before dereferencing pointer 2010-01-25 10:49:18 -08:00
inode.c eCryptfs: Prevent lower dentry from going negative during unlink 2009-09-23 09:10:34 -05:00
Kconfig eCryptfs: Remove Kconfig NET dependency and select MD5 2009-10-08 11:31:36 -05:00
keystore.c eCryptfs: Validate global auth tok keys 2009-09-23 09:10:32 -05:00
kthread.c eCryptfs: Check for O_RDONLY lower inodes when opening lower files 2009-09-23 09:10:32 -05:00
main.c ima: ecryptfs fix imbalance message 2009-10-08 11:31:38 -05:00
Makefile eCryptfs: remove netlink transport 2008-10-16 11:21:39 -07:00
messaging.c eCryptfs: NULL pointer dereference in ecryptfs_send_miscdev() 2009-04-22 03:54:13 -05:00
miscdev.c eCryptfs: NULL pointer dereference in ecryptfs_send_miscdev() 2009-04-22 03:54:13 -05:00
mmap.c eCryptfs: Propagate vfs_read and vfs_write return codes 2009-09-23 09:10:34 -05:00
read_write.c eCryptfs: Propagate vfs_read and vfs_write return codes 2009-09-23 09:10:34 -05:00
super.c ecryptfs: Remove unneeded locking that triggers lockdep false positives 2009-09-23 09:10:30 -05:00