diff options
| author | Christian Göttsche <cgzones@googlemail.com> | 2022-01-25 15:14:20 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 13:57:32 +0200 |
| commit | cb42d0833ddaa407d8d5a4d9fa9139f70e257f6f (patch) | |
| tree | 0b1ab9eb89ec7e453eca1f35a7973740fbbff8db /security | |
| parent | c58320cba465f6ac0b97e2f893b43e190ad25024 (diff) | |
selinux: check return value of sel_make_avc_files
[ Upstream commit bcb62828e3e8c813b6613db6eb7fd9657db248fc ]
sel_make_avc_files() might fail and return a negative errno value on
memory allocation failures. Re-add the check of the return value,
dropped in 66f8e2f03c02 ("selinux: sidtab reverse lookup hash table").
Reported by clang-analyzer:
security/selinux/selinuxfs.c:2129:2: warning: Value stored to
'ret' is never read [deadcode.DeadStores]
ret = sel_make_avc_files(dentry);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: 66f8e2f03c02 ("selinux: sidtab reverse lookup hash table")
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
[PM: description line wrapping, added proper commit ref]
Signed-off-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/selinuxfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index e4cd7cb856f3..f2f6203e0fff 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -2127,6 +2127,8 @@ static int sel_fill_super(struct super_block *sb, struct fs_context *fc) } ret = sel_make_avc_files(dentry); + if (ret) + goto err; dentry = sel_make_dir(sb->s_root, "ss", &fsi->last_ino); if (IS_ERR(dentry)) { |