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-rw-r--r--security/selinux/hooks.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 7ffe05e..4c5b280 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2167,7 +2167,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
int fd;
j++;
- i = j * __NFDBITS;
+ i = j * BITS_PER_LONG;
fdt = files_fdtable(files);
if (i >= fdt->max_fds)
break;
@@ -2830,11 +2830,16 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
/* We strip a nul only if it is at the end, otherwise the
* context contains a nul and we should audit that */
- str = value;
- if (str[size - 1] == '\0')
- audit_size = size - 1;
- else
- audit_size = size;
+ if (value) {
+ str = value;
+ if (str[size - 1] == '\0')
+ audit_size = size - 1;
+ else
+ audit_size = size;
+ } else {
+ str = "";
+ audit_size = 0;
+ }
ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
audit_log_format(ab, "op=setxattr invalid_context=");
audit_log_n_untrustedstring(ab, value, audit_size);