diff options
| author | Manoj Prabhu B <bmanoj@codeaurora.org> | 2020-03-18 15:14:53 +0530 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2021-08-19 08:44:19 +0300 |
| commit | f8b7327527d30cf96ffabd8434248feb3762707a (patch) | |
| tree | 7b57e59944fb9f05bfd0154b7fec7cd6c3b76030 /drivers/char | |
| parent | cf9acebb178f5fe66275e445708717c9c0559b93 (diff) | |
diag: Prevent resource leakage of task structure
The task structure with reference count incremented while
dci client is registered should be updated with reference count
decremented in failure case of registration.
Change-Id: I093229d83dca2699e0343224756895eff0915e38
Signed-off-by: Manoj Prabhu B <bmanoj@codeaurora.org>
CVE-2020-11160
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/diag/diag_dci.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/diag/diag_dci.c b/drivers/char/diag/diag_dci.c index 1fe7fa0debcc..973bc3b1c5b5 100644 --- a/drivers/char/diag/diag_dci.c +++ b/drivers/char/diag/diag_dci.c @@ -3157,6 +3157,7 @@ fail_alloc: kfree(new_entry); new_entry = NULL; } + put_task_struct(current); mutex_unlock(&driver->dci_mutex); return DIAG_DCI_NO_REG; } |