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Wei Yongjun 0ef17d9664 net/x25: Fix skb leak in x25_lapb_receive_frame() 
[ Upstream commit 2929cceb2fcf0ded7182562e4888afafece82cce ]

x25_lapb_receive_frame() using skb_copy() to get a private copy of
skb, the new skb should be freed in the undersized/fragmented skb
error handling path. Otherwise there is a memory leak.

Fixes: cb101ed2c3 ("x25: Handle undersized/fragmented skbs")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Martin Schiller <ms@dev.tdt.de>
Link: https://lore.kernel.org/r/20221114110519.514538-1-weiyongjun@huaweicloud.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-11-25 17:40:24 +01:00
..
af_x25.c net/x25: Fix null-ptr-deref caused by x25_disconnect 2022-04-15 14:14:53 +02:00
Kconfig x25: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sysctl_net_x25.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x25_dev.c net/x25: Fix skb leak in x25_lapb_receive_frame() 2022-11-25 17:40:24 +01:00
x25_facilities.c net: x25: mark expected switch fall-throughs 2017-10-22 03:08:46 +01:00
x25_forward.c x25: convert printks to pr_<level> 2013-12-09 20:24:18 -05:00
x25_in.c net: x25: mark expected switch fall-throughs 2017-10-22 03:08:46 +01:00
x25_link.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
x25_out.c
x25_proc.c proc: introduce proc_create_seq{,_data} 2018-05-16 07:23:35 +02:00
x25_route.c net, x25: convert x25_route.refcnt from atomic_t to refcount_t 2017-07-04 22:35:18 +01:00
x25_subr.c net/x25: Fix null-ptr-deref in x25_disconnect 2020-08-05 10:06:02 +02:00
x25_timer.c treewide: Remove TIMER_FUNC_TYPE and TIMER_DATA_TYPE casts 2017-11-21 16:35:54 -08:00