linux/net/tipc
Tadeusz Struk 9404c41455 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>
2021-11-25 09:48:42 +01:00
..
addr.c tipc: introduce new unified address type for internal use 2021-03-17 11:51:04 -07:00
addr.h tipc: introduce new unified address type for internal use 2021-03-17 11:51:04 -07:00
bcast.c net: tipc: fix FB_MTU eat two pages 2021-06-28 13:31:57 -07:00
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 2021-04-01 15:43:31 -07:00
bearer.h net: tipc: Fix spelling errors in net/tipc module 2021-04-07 14:29:29 -07:00
core.c tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
core.h tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
crypto.c tipc: check for null after calling kmemdup 2021-11-25 09:48:42 +01:00
crypto.h net/tipc: fix tipc header files for kernel-doc 2020-12-01 15:37:41 -08:00
diag.c tipc: switch to rhashtable iterator 2018-08-29 18:04:54 -07:00
discover.c tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
discover.h
eth_media.c tipc: Use is_broadcast_ether_addr() instead of memcmp() 2020-08-03 16:21:46 -07:00
group.c tipc: update address terminology in code 2020-11-27 17:34:01 -08:00
group.h tipc: update address terminology in code 2020-11-27 17:34:01 -08:00
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 2021-11-25 09:48:35 +01:00
link.h tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
Makefile tipc: remove meaningless assignment in Makefile 2020-01-08 12:38:54 -08:00
monitor.c tipc: clean up warnings detected by sparse 2021-03-11 18:06:54 -08:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c net: tipc: replace align() with ALIGN in msg.c 2021-06-28 13:31:57 -07:00
msg.h net: tipc: fix FB_MTU eat two pages 2021-06-28 13:31:57 -07:00
name_distr.c tipc: remove some unnecessary warnings 2021-03-17 11:51:05 -07:00
name_distr.h net/tipc: fix tipc header files for kernel-doc 2020-12-01 15:37:41 -08:00
name_table.c tipc: simplify handling of lookup scope during multicast message reception 2021-06-03 14:06:39 -07:00
name_table.h tipc: simplify handling of lookup scope during multicast message reception 2021-06-03 14:06:39 -07:00
net.c tipc: simplify the finalize work queue 2021-05-18 13:22:09 -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 2021-03-11 18:06:54 -08:00
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 node.c: fix the use of indefinite article 2021-06-10 13:47:13 -07:00
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() 2021-09-13 12:43:10 +01:00
socket.h tipc: add stricter control of reserved service types 2020-10-30 08:19:18 -07:00
subscr.c tipc:subscr.c: fix a spelling mistake 2021-06-10 13:48:43 -07:00
subscr.h tipc: fix htmldoc and smatch warnings 2021-03-29 16:28:50 -07:00
sysctl.c tipc: add automatic session key exchange 2020-09-18 13:58:37 -07:00
topsrv.c tipc: update address terminology in code 2020-11-27 17:34:01 -08:00
topsrv.h
trace.c net/tipc: fix various kernel-doc warnings 2020-12-01 15:37:46 -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 2021-05-17 14:07:48 -07:00
udp_media.h