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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
| commit | 5b465b045af3a649a89b8a5c5bfdece20ffc0345 (patch) | |
| tree | 934f851eaec863864e15fa7ef9514a445a9e88ff /kernel/cred.c | |
| parent | 0520a938e11c34a5ffc422b9316b85e294b0fbb2 (diff) | |
Linux-libre 4.7.4-gnupck-4.7.4-gnu
Diffstat (limited to 'kernel/cred.c')
| -rw-r--r-- | kernel/cred.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/cred.c b/kernel/cred.c index 0c0cd8a62..5f264fb57 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -689,6 +689,8 @@ EXPORT_SYMBOL(set_security_override_from_ctx); */ int set_create_files_as(struct cred *new, struct inode *inode) { + if (!uid_valid(inode->i_uid) || !gid_valid(inode->i_gid)) + return -EINVAL; new->fsuid = inode->i_uid; new->fsgid = inode->i_gid; return security_kernel_create_files_as(new, inode); |