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linux-stable/net/tipc
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Xiyu Yang 441870ee42 tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv 
tipc_crypto_rcv() invokes tipc_aead_get(), which returns a reference of
the tipc_aead object to "aead" with increased refcnt.

When tipc_crypto_rcv() returns, the original local reference of "aead"
becomes invalid, so the refcount should be decreased to keep refcount
balanced.

The issue happens in one error path of tipc_crypto_rcv(). When TIPC
message decryption status is EINPROGRESS or EBUSY, the function forgets
to decrease the refcnt increased by tipc_aead_get() and causes a refcnt
leak.

Fix this issue by calling tipc_aead_put() on the error path when TIPC
message decryption status is EINPROGRESS or EBUSY.

Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-18 13:17:04 -07:00
..
addr.c tipc: initialise addr_trail_end when setting node addresses 2019-08-11 21:40:04 -07:00
addr.h
bcast.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-12-22 15:15:05 -08:00
bcast.h tipc: update replicast capability for broadcast send link 2019-11-22 09:29:50 -08:00
bearer.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
bearer.h tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
core.c tipc: fix ordering of tipc module init and exit routine 2019-12-06 12:01:09 -08:00
core.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-16 21:51:42 -08:00
crypto.c tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv 2020-04-18 13:17:04 -07:00
crypto.h tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
diag.c
discover.c tipc: fix use-after-free in tipc_disc_rcv() 2019-12-10 17:45:04 -08:00
discover.h
eth_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
group.c tipc: clean up skb list lock handling on send path 2019-08-18 14:01:07 -07:00
group.h
ib_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
Kconfig tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
link.c tipc: fix incorrect increasing of link window 2020-04-15 16:23:33 -07:00
link.h tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
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 tipc: simplify trivial boolean return 2020-03-15 00:07:00 -07:00
msg.h tipc: Add a missing case of TIPC_DIRECT_MSG type 2020-03-26 11:21:02 -07:00
name_distr.c tipc: improve throughput between nodes in netns 2019-10-29 17:55:38 -07:00
name_distr.h
name_table.c tipc: fix name table rbtree issues 2019-12-10 17:45:04 -08:00
name_table.h tipc: support in-order name publication events 2019-11-22 09:29:50 -08:00
net.c tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
net.h tipc: make legacy address flag readable over netlink 2019-12-20 21:18:42 -08:00
netlink.c tipc: add missing attribute validation for MTU property 2020-03-03 13:28:49 -08:00
netlink.h net: tipc: allocate attrs locally instead of using genl_family_attrbuf in compat_dumpit() 2019-10-06 15:44:47 +02:00
netlink_compat.c tipc: eliminate KMSAN: uninit-value in __tipc_nl_compat_dumpit error 2020-01-06 13:24:31 -08:00
node.c tipc: Add a missing case of TIPC_DIRECT_MSG type 2020-03-26 11:21:02 -07:00
node.h tipc: add support for AEAD key setting via netlink 2019-11-08 14:01:59 -08:00
socket.c tipc: Add a missing case of TIPC_DIRECT_MSG type 2020-03-26 11:21:02 -07:00
socket.h
subscr.c
subscr.h tipc: fix modprobe tipc failed after switch order of device registration 2019-05-20 10:45:43 -07:00
sysctl.c tipc: introduce TIPC encryption & authentication 2019-11-08 14:01:59 -08:00
topsrv.c tipc: add loopback device tracking 2019-08-08 22:11:39 -07:00
topsrv.h
trace.c
trace.h
udp_media.c tipc: introduce variable window congestion control 2019-12-10 17:31:15 -08:00
udp_media.h