Tadeusz Struk a7d9162586 tipc: check for null after calling kmemdup ... commit 3e6db07975 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-11-26 10:39:19 +01:00
..
addr.c
addr.h
bcast.c	net: tipc: fix FB_MTU eat two pages	2021-07-14 16:56:32 +02:00
bcast.h
bearer.c	tipc: fix unique bearer names sanity check	2021-06-10 13:39:22 +02:00
bearer.h
core.c	tipc: wait and exit until all work queues are done	2021-06-03 09:00:37 +02:00
core.h	tipc: wait and exit until all work queues are done	2021-06-03 09:00:37 +02:00
crypto.c	tipc: check for null after calling kmemdup	2021-11-26 10:39:19 +01:00
crypto.h
diag.c
discover.c
discover.h
eth_media.c
group.c
group.h
ib_media.c
Kconfig
link.c	tipc: only accept encrypted MSG_CRYPTO msgs	2021-11-26 10:39:14 +01:00
link.h
Makefile
monitor.c
monitor.h
msg.c	net: tipc: fix FB_MTU eat two pages	2021-07-14 16:56:32 +02:00
msg.h	net: tipc: fix FB_MTU eat two pages	2021-07-14 16:56:32 +02:00
name_distr.c
name_distr.h
name_table.c	treewide: Change list_sort to use const pointers	2021-09-30 10:11:04 +02:00
name_table.h
net.c
net.h
netlink_compat.c
netlink.c
netlink.h
node.c
node.h
socket.c	tipc: increase timeout in tipc_sk_enqueue()	2021-09-22 12:27:57 +02:00
socket.h
subscr.c
subscr.h
sysctl.c
topsrv.c
topsrv.h
trace.c
trace.h
udp_media.c	tipc: wait and exit until all work queues are done	2021-06-03 09:00:37 +02:00
udp_media.h