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linux/net/tipc
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Tung Nguyen 09c2dcda2c tipc: fix memory leak in tipc_link_xmit 
[ Upstream commit 69ae94725f ]

In case the backlog transmit queue for system-importance messages is overloaded,
tipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This leads to
memory leak and failure when a skb is allocated.

This commit fixes this issue by purging the skb list before tipc_link_xmit()
returns.

Fixes: 365ad353c2 ("tipc: reduce risk of user starvation during link congestion")
Signed-off-by: Tung Nguyen <tung.quang.nguyen@est.tech>
Link: https://patch.msgid.link/20250403092431.514063-1-tung.quang.nguyen@est.tech
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-04-25 10:45:06 +02:00
..
addr.c tipc: introduce new unified address type for internal use 2021-03-17 11:51:04 -07:00
addr.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
bcast.c net: tipc: avoid possible garbage value 2024-10-04 16:28:59 +02:00
bcast.h tipc: update a binding service via broadcast 2020-06-17 08:53:34 -07:00
bearer.c tipc: guard against string buffer overrun 2024-10-10 11:57:25 +02:00
bearer.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
core.c tipc: fix use-after-free Read in tipc_named_reinit 2022-06-17 11:39:10 +01:00
core.h minmax: add in_range() macro 2023-08-24 16:20:18 -07:00
crypto.c tipc: re-order conditions in tipc_crypto_key_rcv() 2025-02-17 09:40:09 +01:00
crypto.h net/tipc: fix tipc header files for kernel-doc 2020-12-01 15:37:41 -08:00
diag.c sock_diag: add module pointer to "struct sock_diag_handler" 2024-12-09 10:32:09 +01:00
discover.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
discover.h tipc: some cleanups in the file discover.c 2018-03-23 13:12:17 -04:00
eth_media.c tipc: constify dev_addr passing 2021-10-13 09:40:46 -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: constify dev_addr passing 2021-10-13 09:40:46 -07:00
Kconfig tipc: not enable tipc when ipv6 works as a module 2020-08-16 21:04:55 -07:00
link.c tipc: fix memory leak in tipc_link_xmit 2025-04-25 10:45:06 +02:00
link.h tipc: Remove unused declaration tipc_link_build_bc_sync_msg() 2023-08-09 13:03:14 -07:00
Makefile tipc: remove meaningless assignment in Makefile 2020-01-08 12:38:54 -08:00
monitor.c treewide: Convert del_timer*() to timer_shutdown*() 2022-12-25 13:38:09 -08:00
monitor.h tipc: update mon's self addr when node addr generated 2019-11-12 19:45:45 -08:00
msg.c tipc: fix UAF in error path 2024-05-17 12:02:32 +02:00
msg.h net: tipc: remove unused static inlines 2022-01-27 13:53:27 +00:00
name_distr.c net/tipc: Remove unused struct distr_queue_item 2022-09-29 18:48:32 -07:00
name_distr.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
name_table.c tipc: cleanup unused function 2022-06-17 11:43:57 +01:00
name_table.h tipc: cleanup unused function 2022-06-17 11:43:57 +01:00
net.c tipc: simplify the finalize work queue 2021-05-18 13:22:09 -07:00
net.h tipc: Remove unused function declarations 2023-08-03 12:51:45 +02:00
netlink.c tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING 2023-11-20 11:59:34 +01:00
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: Fix kernel-infoleak due to uninitialized TLV value 2023-11-28 17:19:51 +00:00
node.c tipc: force a dst refcount before doing decryption 2024-06-27 13:49:07 +02:00
node.h tipc: add automatic session key exchange 2020-09-18 13:58:37 -07:00
socket.c genetlink: use attrs from struct genl_info 2023-08-15 15:00:45 -07:00
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 net/sock: Introduce trace_sk_data_ready() 2023-01-23 11:26:50 +00:00
topsrv.h tipc: rename tipc_server to tipc_topsrv 2018-02-16 15:26:34 -05:00
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: fix NULL deref in cleanup_bearer() 2024-12-19 18:11:27 +01:00
udp_media.h tipc: implement configuration of UDP media MTU 2018-04-20 11:04:05 -04:00