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| author | Davi Arnaut <davi.arnaut@gmail.com> | 2005-10-23 23:57:16 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-24 03:38:39 +0400 |
| commit | 20c19e4179884d7e843314071e2dfb1ea7b0afcd (patch) | |
| tree | 1ed0cc19c51b10336c14a1b9c35095ef8ebfd138 /security/selinux/selinuxfs.c | |
| parent | 282c1f5eba150d0b156ffa9e6b064f1d92f8315f (diff) | |
| download | linux-20c19e4179884d7e843314071e2dfb1ea7b0afcd.tar.xz | |
[PATCH] SELinux: handle sel_make_bools() failure in selinuxfs
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.
Signed-off-by: James Morris <jmorris@namei.org>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/selinux/selinuxfs.c')
| -rw-r--r-- | security/selinux/selinuxfs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 8eb140dd2e4b..a45cc971e735 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -879,7 +879,7 @@ static ssize_t sel_commit_bools_write(struct file *filep, 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; |