Tung Nguyen 09c2dcda2c tipc: fix memory leak in tipc_link_xmit ...

[ Upstream commit 69ae94725f4fc9e75219d2d69022029c5b24bc9a ]

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>

2025-04-25 10:45:06 +02:00

..

addr.c

…

addr.h

…

bcast.c

…

bcast.h

…

bearer.c

…

bearer.h

…

core.c

…

core.h

…

crypto.c

tipc: re-order conditions in tipc_crypto_key_rcv()

2025-02-17 09:40:09 +01:00

crypto.h

…

diag.c

sock_diag: add module pointer to "struct sock_diag_handler"

2024-12-09 10:32:09 +01:00

discover.c

…

discover.h

…

eth_media.c

…

group.c

…

group.h

…

ib_media.c

…

Kconfig

…

link.c

tipc: fix memory leak in tipc_link_xmit

2025-04-25 10:45:06 +02:00

link.h

…

Makefile

…

monitor.c

…

monitor.h

…

msg.c

…

msg.h

…

name_distr.c

…

name_distr.h

…

name_table.c

…

name_table.h

…

net.c

…

net.h

…

netlink_compat.c

…

netlink.c

…

netlink.h

…

node.c

…

node.h

…

socket.c

…

socket.h

…

subscr.c

…

subscr.h

…

sysctl.c

…

topsrv.c

…

topsrv.h

…

trace.c

…

trace.h

…

udp_media.c

tipc: fix NULL deref in cleanup_bearer()

2024-12-19 18:11:27 +01:00

udp_media.h

…