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2a3a1dd99e
linux/net/nfc
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Jeremy Cline dfc7f7a988 net: nfc: llcp: Add lock when modifying device list 
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>
2023-10-03 07:39:31 -07:00
..
hci NFC: hci: Split memcpy() of struct hcp_message flexible array 2022-09-27 07:45:18 -07:00
nci tty: ldops: unify to u8 2023-08-11 21:12:47 +02:00
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_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
digital.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
Kconfig net: remove redundant 'depends on NET' 2021-01-27 17:04:12 -08:00
llcp_commands.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-06-27 09:45:22 -07:00
llcp_core.c net: nfc: llcp: Add lock when modifying device list 2023-10-03 07:39:31 -07:00
llcp_sock.c net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-06-26 10:57:23 +01:00
llcp.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-06-26 10:57:23 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netlink.c genetlink: use attrs from struct genl_info 2023-08-15 15:00:45 -07:00
nfc.h net: nfc: Fix use-after-free caused by nfc_llcp_find_local 2023-06-26 10:57:23 +01:00
rawsock.c nfc: Add KCOV annotations 2022-11-02 11:58:13 +00:00