| commit | 3e6db079751afd527bf3db32314ae938dc571916 | [log] [tgz] |
|---|---|---|
| author | Tadeusz Struk <tadeusz.struk@linaro.org> | Mon Nov 15 08:01:43 2021 -0800 |
| committer | Jakub Kicinski <kuba@kernel.org> | Wed Nov 17 20:04:52 2021 -0800 |
| tree | 0836439dc111faab4307a8c53471575773cd7215 | |
| parent | c366ce28750e9633f8d4b07829a9cde0e59034eb [diff] |
tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. Cc: tipc-discussion@lists.sourceforge.net Cc: stable@vger.kernel.org # 5.15, 5.14, 5.10 [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58 Reported-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org> Acked-by: Ying Xue <ying.xue@windriver.com> Acked-by: Jon Maloy <jmaloy@redhat.com> Link: https://lore.kernel.org/r/20211115160143.5099-1-tadeusz.struk@linaro.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>