Tadeusz Struk c602863ad2 nfc: fix segfault in nfc_genl_dump_devices_done ... commit fd79a0cbf0 upstream. When kmalloc in nfc_genl_dump_devices() fails then nfc_genl_dump_devices_done() segfaults as below KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 25 Comm: kworker/0:1 Not tainted 5.16.0-rc4-01180-g2a987e65025e-dirty #5 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-6.fc35 04/01/2014 Workqueue: events netlink_sock_destruct_work RIP: 0010:klist_iter_exit+0x26/0x80 Call Trace: <TASK> class_dev_iter_exit+0x15/0x20 nfc_genl_dump_devices_done+0x3b/0x50 genl_lock_done+0x84/0xd0 netlink_sock_destruct+0x8f/0x270 __sk_destruct+0x64/0x3b0 sk_destruct+0xa8/0xd0 __sk_free+0x2e8/0x3d0 sk_free+0x51/0x90 netlink_sock_destruct_work+0x1c/0x20 process_one_work+0x411/0x710 worker_thread+0x6fd/0xa80 Link: https://syzkaller.appspot.com/bug?id=fc0fa5a53db9edd261d56e74325419faf18bd0df Reported-by: syzbot+f9f76f4a0766420b4a02@syzkaller.appspotmail.com Signed-off-by: Tadeusz Struk <tadeusz.struk@linaro.org> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20211208182742.340542-1-tadeusz.struk@linaro.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-17 10:14:39 +01:00
..
hci	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
nci	NFC: add NCI_UNREG flag to eliminate the race	2021-11-26 10:39:18 +01:00
af_nfc.c	nfc: fix error handling of nfc_proto_register()	2021-10-20 11:45:04 +02:00
core.c	NFC: reorder the logic in nfc_{un,}register_device	2021-11-26 10:39:17 +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()	2021-10-20 11:45:04 +02:00
digital_dep.c	net:nfc:digital: Fix a double free in digital_tg_recv_dep_req	2021-05-14 09:50:44 +02:00
digital_technology.c	NFC: digital: fix possible memory leak in digital_in_send_sdd_req()	2021-10-20 11:45:04 +02:00
Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
llcp.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
llcp_commands.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
llcp_core.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
llcp_sock.c	nfc: fix NULL ptr dereference in llcp_sock_getname() after failed connect	2021-06-10 13:39:27 +02:00
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	nfc: fix segfault in nfc_genl_dump_devices_done	2021-12-17 10:14:39 +01:00
nfc.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
rawsock.c	net/nfc/rawsock.c: fix a permission check bug	2021-06-16 12:01:35 +02:00