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linux-stable/net/nfc
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Jeremy Cline 7562780e32 net: nfc: llcp: Add lock when modifying device list 
[ Upstream commit dfc7f7a988 ]

The device list needs its associated lock held when modifying it, or the
list could become corrupted, as syzbot discovered.

Reported-and-tested-by: syzbot+c1d0a03d305972dbbe14@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=c1d0a03d305972dbbe14
Signed-off-by: Jeremy Cline <jeremy@jcline.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: 6709d4b7bc ("net: nfc: Fix use-after-free caused by nfc_llcp_find_local")
Link: https://lore.kernel.org/r/20230908235853.1319596-1-jeremy@jcline.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-10-10 22:00:42 +02:00
..
hci NFC: hci: Split memcpy() of struct hcp_message flexible array 2022-09-27 07:45:18 -07:00
nci NFC: nci: Bounds check struct nfc_target arrays 2022-12-05 17:46:25 -08:00
af_nfc.c nfc: fix error handling of nfc_proto_register() 2021-10-13 17:32:38 -07:00
core.c net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
digital.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
digital_core.c NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 2021-10-13 17:44:29 -07:00
digital_dep.c net:nfc:digital: Fix a double free in digital_tg_recv_dep_req 2021-04-27 15:36:10 -07:00
digital_technology.c NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 2021-10-13 17:44:29 -07:00
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
llcp.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-07-19 16:21:13 +02:00
llcp_commands.c net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-07-19 16:21:13 +02:00
llcp_core.c net: nfc: llcp: Add lock when modifying device list 2023-10-10 22:00:42 +02:00
llcp_sock.c net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-07-19 16:21:13 +02:00
Makefile
netlink.c net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-07-19 16:21:13 +02:00
nfc.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-07-19 16:21:13 +02:00
rawsock.c net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00