Tadeusz Struk 9404c41455 tipc: check for null after calling kmemdup ...

commit 3e6db079751afd527bf3db32314ae938dc571916 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

…

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

…

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

…

monitor.c

tipc: clean up warnings detected by sparse

2021-03-11 18:06:54 -08:00

monitor.h

…

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

…

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

…

udp_media.c

tipc: wait and exit until all work queues are done

2021-05-17 14:07:48 -07:00

udp_media.h

…