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linux-stable/fs/hfsplus
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Pan Bian 7f0a62fb6e hfsplus: do not free node before using 
[ Upstream commit c7d7d620dc ]

hfs_bmap_free() frees node via hfs_bnode_put(node).  However it then
reads node->this when dumping error message on an error path, which may
result in a use-after-free bug.  This patch frees node only when it is
never used.

Link: http://lkml.kernel.org/r/1543053441-66942-1-git-send-email-bianpan2016@163.com
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ernesto A. Fernandez <ernesto.mnd.fernandez@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2018-12-17 09:38:35 +01:00
..
acl.h hfsplus: use generic posix ACL infrastructure 2014-01-25 23:58:20 -05:00
attributes.c hfsplus: remove unused routine hfsplus_attr_build_key_uni 2014-06-06 16:08:09 -07:00
bfind.c fs/hfsplus: replace if/BUG by BUG_ON 2015-04-17 09:04:05 -04:00
bitmap.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
bnode.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
brec.c hfsplus: prevent btree data loss on root split 2018-11-27 16:09:38 +01:00
btree.c hfsplus: do not free node before using 2018-12-17 09:38:35 +01:00
catalog.c fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps 2016-09-27 21:06:22 -04:00
dir.c hfsplus: fix NULL dereference in hfsplus_lookup() 2018-09-15 09:42:57 +02:00
extents.c fs/hfsplus: fix pr_foo() and hfs_dbg formats 2014-06-06 16:08:10 -07:00
hfsplus_fs.h Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
hfsplus_raw.h hfsplus: fix "unused node is not erased" error 2014-06-06 16:08:10 -07:00
inode.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
ioctl.c fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps 2016-09-27 21:06:22 -04:00
Kconfig hfsplus: add necessary declarations for POSIX ACLs support 2013-09-11 15:59:00 -07:00
Makefile hfsplus: integrate POSIX ACLs support into driver 2013-09-11 15:59:01 -07:00
options.c fs: create and use seq_show_option for escaping 2015-09-04 16:54:41 -07:00
part_tbl.c hfsplus: use bio op accessors 2016-06-07 13:41:38 -06:00
posix_acl.c hfsplus: Don't clear SGID when inheriting ACLs 2017-07-27 15:08:07 -07:00
super.c hfsplus: don't return 0 when fill_super() failed 2018-09-15 09:42:57 +02:00
tables.c
unicode.c get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
wrapper.c hfsplus: use bio op accessors 2016-06-07 13:41:38 -06:00
xattr.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr.h switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_security.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_trusted.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_user.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00