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	tipc: initialise addr_trail_end when setting node addresses	2019-08-11 21:40:04 -07:00
addr.h	tipc: add 128-bit node identifier	2018-03-23 13:12:18 -04:00
bcast.c	net: tipc: fix FB_MTU eat two pages	2021-07-14 16:56:32 +02:00
bcast.h	tipc: update a binding service via broadcast	2020-06-17 08:53:34 -07:00
bearer.c	tipc: fix unique bearer names sanity check	2021-06-10 13:39:22 +02:00
bearer.h	tipc: introduce variable window congestion control	2019-12-10 17:31:15 -08:00
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	tipc: add automatic rekeying for encryption key	2020-09-18 13:58:37 -07:00
diag.c	tipc: switch to rhashtable iterator	2018-08-29 18:04:54 -07:00
discover.c	net: tipc: kerneldoc fixes	2020-07-13 17:20:40 -07:00
discover.h	tipc: some cleanups in the file discover.c	2018-03-23 13:12:17 -04:00
eth_media.c	tipc: Use is_broadcast_ether_addr() instead of memcmp()	2020-08-03 16:21:46 -07:00
group.c	tipc: Fix memory leak in tipc_group_create_member()	2020-09-14 16:36:20 -07:00
group.h	tipc: extend sock diag for group communication	2018-06-30 21:05:42 +09:00
ib_media.c	tipc: introduce variable window congestion control	2019-12-10 17:31:15 -08:00
Kconfig	tipc: not enable tipc when ipv6 works as a module	2020-08-16 21:04:55 -07:00
link.c	tipc: only accept encrypted MSG_CRYPTO msgs	2021-11-26 10:39:14 +01:00
link.h	tipc: add support for broadcast rcv stats dumping	2020-05-26 15:16:52 -07:00
Makefile	tipc: remove meaningless assignment in Makefile	2020-01-08 12:38:54 -08:00
monitor.c	tipc: add NULL pointer check to prevent kernel oops	2020-03-15 00:07:00 -07:00
monitor.h	tipc: update mon's self addr when node addr generated	2019-11-12 19:45:45 -08:00
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	tipc: fix NULL pointer dereference in tipc_named_rcv	2020-10-09 18:29:06 -07:00
name_distr.h	tipc: update a binding service via broadcast	2020-06-17 08:53:34 -07:00
name_table.c	treewide: Change list_sort to use const pointers	2021-09-30 10:11:04 +02:00
name_table.h	tipc: update a binding service via broadcast	2020-06-17 08:53:34 -07:00
net.c	tipc: fix a deadlock when flushing scheduled work	2020-09-07 12:08:53 -07:00
net.h	tipc: fix a deadlock when flushing scheduled work	2020-09-07 12:08:53 -07:00
netlink_compat.c	tipc: convert dest node's address to network order	2021-05-19 10:12:52 +02:00
netlink.c	tipc: add automatic rekeying for encryption key	2020-09-18 13:58:37 -07:00
netlink.h	net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit()	2019-10-06 15:44:47 +02:00
node.c	tipc: better validate user input in tipc_nl_retrieve_key()	2021-03-30 14:31:59 +02:00
node.h	tipc: add automatic session key exchange	2020-09-18 13:58:37 -07:00
socket.c	tipc: increase timeout in tipc_sk_enqueue()	2021-09-22 12:27:57 +02:00
socket.h	tipc: call tsk_set_importance from tipc_topsrv_create_listener	2020-05-28 11:11:46 -07:00
subscr.c	tipc: fix unbalanced reference counter	2018-04-12 21:46:10 -04:00
subscr.h	tipc: fix failed service subscription deletion	2020-05-13 12:33:19 -07:00
sysctl.c	tipc: add automatic session key exchange	2020-09-18 13:58:37 -07:00
topsrv.c	tipc: fix memory leak in tipc_topsrv_start()	2020-11-11 14:39:23 -08:00
topsrv.h	tipc: rename tipc_server to tipc_topsrv	2018-02-16 15:26:34 -05:00
trace.c	tipc: remove unneeded semicolon in trace.c	2019-01-17 22:04:43 -08:00
trace.h	tipc: add support for broadcast rcv stats dumping	2020-05-26 15:16:52 -07:00
udp_media.c	tipc: wait and exit until all work queues are done	2021-06-03 09:00:37 +02:00
udp_media.h	tipc: implement configuration of UDP media MTU	2018-04-20 11:04:05 -04:00