linux/fs/9p
Zheng Bin 06d8ba5149 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>
2020-08-19 08:16:24 +02:00
..
acl.c
acl.h
cache.c 9p/cache.c: Fix memory leak in v9fs_cache_session_get_cookie 2019-09-03 11:07:39 +00:00
cache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
fid.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
fid.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile
v9fs_vfs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
v9fs.c 9p: Fix memory leak in v9fs_mount 2020-08-19 08:16:24 +02:00
v9fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
vfs_addr.c 9p: pass the correct prototype to read_cache_page 2019-07-12 11:05:43 -07:00
vfs_dentry.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
vfs_dir.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
vfs_file.c 9p: avoid attaching writeback_fid on mmap with type PRIVATE 2019-09-03 10:56:32 +00:00
vfs_inode_dotl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
vfs_inode.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 188 2019-05-30 11:29:21 -07:00
vfs_super.c 9p pull request for inclusion in 5.4 2019-09-27 15:10:34 -07:00
xattr.c
xattr.h