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linux/fs/9p
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Zheng Bin 1178d7cd19 9p: Fix memory leak in v9fs_mount 
commit cb0aae0e31 upstream.

v9fs_mount
  v9fs_session_init
    v9fs_cache_session_get_cookie
      v9fs_random_cachetag                     -->alloc cachetag
      v9ses->fscache = fscache_acquire_cookie  -->maybe NULL
  sb = sget                                    -->fail, goto clunk
clunk_fid:
  v9fs_session_close
    if (v9ses->fscache)                        -->NULL
      kfree(v9ses->cachetag)

Thus memleak happens.

Link: http://lkml.kernel.org/r/20200615012153.89538-1-zhengbin13@huawei.com
Fixes: 60e78d2c99 ("9p: Add fscache support to 9p")
Cc: <stable@vger.kernel.org> # v2.6.32+
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-16 08:47:30 +09:00
..
acl.c
9p: acl: fix uninitialized iattr access
2023-05-15 13:55:50 +09:00
acl.h
9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
2013-02-26 02:46:07 -05:00
cache.c
fs/9p: use fscache mutex rather than spinlock
2016-01-09 02:57:21 -05:00
cache.h
fs: 9p: cache.h: Add #define of include guard
2015-11-11 02:19:50 -05:00
fid.c
9p: use clone_fid()
2016-08-03 11:12:12 -04:00
fid.h
9p: use clone_fid()
2016-08-03 11:12:12 -04:00
Kconfig
fs/9p: xattr: add trusted and security namespaces
2013-07-07 22:02:18 -05:00
Makefile
9p: xattr simplifications
2015-11-13 20:34:33 -05:00
v9fs_vfs.h
9p: use inode->i_lock to protect i_size_write() under 32-bit
2023-05-15 11:57:43 +09:00
v9fs.c
9p: Fix memory leak in v9fs_mount
2023-05-16 08:47:30 +09:00
v9fs.h
9p locks: add mount option for lock retry interval
2023-05-15 12:23:10 +09:00
vfs_addr.c
9p: pass the correct prototype to read_cache_page
2023-05-15 14:08:13 +09:00
vfs_dentry.c
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
vfs_dir.c
9p: do not trust pdu content for stat item size
2023-05-15 12:23:10 +09:00
vfs_file.c
9p: avoid attaching writeback_fid on mmap with type PRIVATE
2023-05-15 14:47:49 +09:00
vfs_inode_dotl.c
9p: use inode->i_lock to protect i_size_write() under 32-bit
2023-05-15 11:57:43 +09:00
vfs_inode.c
9p: use inode->i_lock to protect i_size_write() under 32-bit
2023-05-15 11:57:43 +09:00
vfs_super.c
9p: use inode->i_lock to protect i_size_write() under 32-bit
2023-05-15 11:57:43 +09:00
xattr.c
fs/9p/xattr.c: catch the error of p9_client_clunk when setting xattr failed
2023-05-12 17:23:03 +09:00
xattr.h
9p: xattr simplifications
2015-11-13 20:34:33 -05:00