general protection fault in ieee802154_llsec_parse_key

general protection fault in ieee802154_llsec_parse_key_id
Status: upstream: reported C repro on 2021/02/22 09:24
Reported-by: syzbot+d4c07de0144f6f63be3a@syzkaller.appspotmail.com
Fix commit: 6f7f657f2440 net: ieee802154: nl-mac: fix check on panid
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-arm32]
First crash: 156d, last: 52d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in ieee802154_llsec_parse_key_id (log)
Repro: C syz .config

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	general protection fault in ieee802154_llsec_parse_key_id	C		done	64	103d	153d	1/1	fixed on 2021/05/14 02:49
linux-4.14	general protection fault in ieee802154_llsec_parse_key_id	C		done	101	100d	156d	1/1	fixed on 2021/05/17 08:49

Sample crash report:

general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 8377 Comm: syz-executor245 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nla_get_u16 include/net/netlink.h:1581 [inline]
RIP: 0010:nla_get_shortaddr net/ieee802154/nl-mac.c:48 [inline]
RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 net/ieee802154/nl-mac.c:559
Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 17 28 e4 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e
RSP: 0018:ffffc90001a874a0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc90001a875a8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff888fc959 RDI: 0000000000000004
RBP: ffffc90001a87680 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff888fc916 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000350e94 R14: ffff8880253c1000 R15: ffffc90001a876a0
FS:  0000000000f7b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000024c CR3: 000000001f54d000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 llsec_del_devkey net/ieee802154/nl-mac.c:1138 [inline]
 ieee802154_nl_llsec_change net/ieee802154/nl-mac.c:824 [inline]
 ieee802154_llsec_del_devkey+0x168/0x350 net/ieee802154/nl-mac.c:1148
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:674
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x43fa69
Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe0f3f3588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043fa69
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003
RBP: 00000000004034d0 R08: 0000000000000004 R09: 00000000004004a0
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000403560
R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0
Modules linked in:
---[ end trace 529841d0cb49aa2f ]---
RIP: 0010:nla_get_u16 include/net/netlink.h:1581 [inline]
RIP: 0010:nla_get_shortaddr net/ieee802154/nl-mac.c:48 [inline]
RIP: 0010:ieee802154_llsec_parse_key_id+0x17f/0x8a0 net/ieee802154/nl-mac.c:559
Code: 00 00 4d 8b 66 30 4d 85 e4 0f 84 1e 05 00 00 e8 17 28 e4 f8 49 8d 7c 24 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 4e
RSP: 0018:ffffc90001a874a0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffffc90001a875a8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff888fc959 RDI: 0000000000000004
RBP: ffffc90001a87680 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff888fc916 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000350e94 R14: ffff8880253c1000 R15: ffffc90001a876a0
FS:  0000000000f7b300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa8026a7110 CR3: 000000001f54d000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (92):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-net-this-kasan-gce	2021/03/31 21:33	net	61431a5907fc	6a81331a	.config	log	report	syz	C		general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/31 21:28	net-next	37f368d8d09d	6a81331a	.config	log	report	syz	C		general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/02/19 17:25	net-next	38b5133ad607	f689d40a	.config	log	report	syz	C		general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/03 16:34	net	a14d273ba159	6a81331a	.config	log	report	syz	C		KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/03 16:27	net-next	825066651792	6a81331a	.config	log	report	syz	C		KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/06/02 23:47	upstream	324c92e5e0ee	0740de69	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/05/30 12:27	upstream	6799d4f2da49	325a8dab	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/05/28 16:41	upstream	97e5bf604b7a	858ea628	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/05/24 10:00	upstream	6ebb6814a1ef	3c7fef33	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/05/02 06:02	upstream	d2b6f8a17919	77e2b668	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/04/23 03:24	upstream	90c911ad7445	590921a5	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/04/11 16:18	upstream	52e44129fba5	bfeda1b1	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-selinux-root	2021/04/09 07:37	upstream	4fa56ad0d12e	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/04/04 05:40	upstream	57fbdb15ec42	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-smack-root	2021/04/04 04:08	upstream	57fbdb15ec42	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-root	2021/04/01 12:07	upstream	d19cc4bfbff1	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-kasan-gce-root	2021/03/27 20:27	upstream	0f4498cef9f5	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-qemu-upstream	2021/03/07 03:27	upstream	280d542f6ffa	e4b4d570	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-qemu-upstream-386	2021/03/07 03:26	upstream	280d542f6ffa	e4b4d570	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/05 10:27	net	a14d273ba159	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/05 09:26	net	a14d273ba159	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/05 08:10	net	a14d273ba159	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/04 08:32	net	a14d273ba159	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/03 03:09	net	990b03b05b2f	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/01 05:50	net	d47ec7a0a727	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/03/29 18:46	net	1b479fb80160	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/10 18:37	net-next	626b598aa8be	bfeda1b1	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/09 21:31	net-next	4438669eb703	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/09 18:10	net-next	4438669eb703	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/09 00:17	net-next	3cd52c1e32fe	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/07 14:37	net-next	be107538c529	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/07 11:15	net-next	be107538c529	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/06 05:21	net-next	514e1150da9c	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/06 01:22	net-next	514e1150da9c	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/02 22:45	net-next	bd78980be1a6	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/02 12:31	net-next	bd78980be1a6	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/01 19:12	net-next	040806343bb4	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/31 11:21	net-next	37f368d8d09d	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/30 15:46	net-next	37f368d8d09d	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/29 23:16	net-next	37f368d8d09d	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/29 12:07	net-next	72642f4127c3	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/29 00:53	net-next	a1281601f88e	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/28 05:12	net-next	a1281601f88e	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/27 19:20	net-next	a1281601f88e	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/27 16:46	net-next	a1281601f88e	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-linux-next-kasan-gce-root	2021/03/31 04:51	linux-next	931294922e65	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-linux-next-kasan-gce-root	2021/03/30 04:29	linux-next	931294922e65	6a81331a	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-linux-next-kasan-gce-root	2021/03/28 18:10	linux-next	931294922e65	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-linux-next-kasan-gce-root	2021/03/27 23:11	linux-next	931294922e65	a8529b82	.config	log	report			info	general protection fault in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/04 22:52	net	a14d273ba159	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-this-kasan-gce	2021/04/03 20:38	net	a14d273ba159	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/10 19:52	net-next	626b598aa8be	bfeda1b1	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/09 16:59	net-next	4438669eb703	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/06 12:22	net-next	cc0626c2aaed	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/04/04 09:47	net-next	428e68e1a85a	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id
ci-upstream-net-kasan-gce	2021/03/31 15:32	net-next	37f368d8d09d	6a81331a	.config	log	report			info	KASAN: null-ptr-deref Read in ieee802154_llsec_parse_key_id