This patch fixes error handling in sel_make_bools(), where currently we'd
get a memory leak via security_get_bools() and try to kfree() the wrong
pointer if called again.
Please apply.
Author: Davi Arnaut <[email protected]>
Signed-off-by: James Morris <[email protected]>
Acked-by: Stephen Smalley <[email protected]>
---
security/selinux/selinuxfs.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -879,7 +879,7 @@ static ssize_t sel_commit_bools_write(st
if (sscanf(page, "%d", &new_value) != 1)
goto out;
- if (new_value) {
+ if (new_value && bool_pending_values) {
security_set_bools(bool_num, bool_pending_values);
}
@@ -952,6 +952,7 @@ static int sel_make_bools(void)
/* remove any existing files */
kfree(bool_pending_values);
+ bool_pending_values = NULL;
sel_remove_bools(dir);
@@ -1002,6 +1003,7 @@ out:
}
return ret;
err:
+ kfree(values);
d_genocide(dir);
ret = -ENOMEM;
goto out;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
