[PATCH] tipc: check for null after calling kmemdup · Tadeusz Struk <hidden> · 2021-11-11
[PATCH] tipc: use consistent GFP flags · Tadeusz Struk <hidden> · 2021-11-11
Re: [PATCH] tipc: use consistent GFP flags · patchwork-bot+netdevbpf@kernel.org · 2021-11-15
Re: [PATCH] tipc: use consistent GFP flags · Tadeusz Struk <hidden> · 2021-11-16
Re: [PATCH] tipc: check for null after calling kmemdup · Jon Maloy <jmaloy@redhat.com> · 2021-11-12
Re: [PATCH] tipc: check for null after calling kmemdup · Jakub Kicinski <kuba@kernel.org> · 2021-11-13
Re: [PATCH] tipc: check for null after calling kmemdup · Tadeusz Struk <hidden> · 2021-11-13
Re: [PATCH] tipc: check for null after calling kmemdup · Jakub Kicinski <kuba@kernel.org> · 2021-11-16
Re: [PATCH] tipc: check for null after calling kmemdup · Jakub Kicinski <kuba@kernel.org> · 2021-11-16
Re: [PATCH] tipc: check for null after calling kmemdup · Jakub Kicinski <kuba@kernel.org> · 2021-11-13

Re: [PATCH] tipc: check for null after calling kmemdup

From: Jakub Kicinski <kuba@kernel.org>
Date: 2021-11-13 04:08:33
Also in: lkml, stable

On Thu, 11 Nov 2021 12:59:15 -0800 Tadeusz Struk wrote:

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].

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Tadeusz Struk <redacted>

Fixes: 1ef6f7c9390f ("tipc: add automatic session key exchange")

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