INFO: trying to register non-static key in ieee802154_del_devkey

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: e853993d29aa Linux 4.14.269
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1258f569700000
kernel config: https://syzkaller.appspot.com/x/.config?x=cf48ea908f16e1e3
dashboard link: https://syzkaller.appspot.com/bug?extid=e7b3b2e85f86e3b2835d
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e7b3b2...@syzkaller.appspotmail.com

INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 19693 Comm: syz-executor.4 Not tainted 4.14.269-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
register_lock_class+0x389/0x1180 kernel/locking/lockdep.c:768
__lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
ieee802154_del_devkey+0x44/0x80 net/mac802154/cfg.c:450
rdev_del_devkey net/ieee802154/rdev-ops.h:316 [inline]
nl802154_del_llsec_devkey+0x254/0x330 net/ieee802154/nl802154.c:1994
genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2446
genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
netlink_unicast_kernel net/netlink/af_netlink.c:1294 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1320
netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1891
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fac3bdaa049
RSP: 002b:00007fac3a71f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fac3bebcf60 RCX: 00007fac3bdaa049
RDX: 0000000000040800 RSI: 0000000020000240 RDI: 0000000000000004
RBP: 00007fac3be0408d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffddc170b5f R14: 00007fac3a71f300 R15: 0000000000022000
nla_parse: 7 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
caif:caif_disconnect_client(): nothing to disconnect
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.


---
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[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit: e853993d29aa Linux 4.14.269
git tree: linux-4.14.y

console output: https://syzkaller.appspot.com/x/log.txt?x=16023e1a700000

kernel config: https://syzkaller.appspot.com/x/.config?x=cf48ea908f16e1e3
dashboard link: https://syzkaller.appspot.com/bug?extid=e7b3b2e85f86e3b2835d
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1673d7e1700000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d2313a700000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e7b3b2...@syzkaller.appspotmail.com

INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.

CPU: 1 PID: 7974 Comm: syz-executor226 Not tainted 4.14.269-syzkaller #0