selinux_genfs_get_sid() allocates memory for a path with __get_free_page() although there is a dedicated helper for allocation of file paths: __getname(). Replace __get_free_page() for allocation of a path buffer with __getname(). Signed-off-by: Mike Rapoport (Microsoft) --- security/selinux/hooks.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 0f704380a8c8..05b84b3781e0 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1336,7 +1336,7 @@ static int selinux_genfs_get_sid(struct dentry *dentry, struct super_block *sb = dentry->d_sb; char *buffer, *path; - buffer = (char *)__get_free_page(GFP_KERNEL); + buffer = __getname(); if (!buffer) return -ENOMEM; @@ -1361,7 +1361,7 @@ static int selinux_genfs_get_sid(struct dentry *dentry, rc = 0; } } - free_page((unsigned long)buffer); + __putname(buffer); return rc; } -- 2.53.0