linux-kernel - [syzbot] WARNING in ieee802154_add

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Date:   Mon, 08 Mar 2021 10:21:19 -0800
From:   syzbot <syzbot+6630070762b727ca8ebb@...kaller.appspotmail.com>
To:     alex.aring@...il.com, davem@...emloft.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org,
        netdev@...r.kernel.org, stefan@...enfreihafen.org,
        syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING in ieee802154_add_seclevel

Hello,

syzbot found the following issue on:

HEAD commit:    d310ec03 Merge tag 'perf-core-2021-02-17' of git://git.ker..
git tree:       net-next
console output: https://syzkaller.appspot.com/x/log.txt?x=147866a2d00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e681d54870713a40
dashboard link: https://syzkaller.appspot.com/bug?extid=6630070762b727ca8ebb

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+6630070762b727ca8ebb@...kaller.appspotmail.com

------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: CPU: 1 PID: 14622 at kernel/locking/mutex.c:928 __mutex_lock_common kernel/locking/mutex.c:928 [inline]
WARNING: CPU: 1 PID: 14622 at kernel/locking/mutex.c:928 __mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1093
Modules linked in:
CPU: 1 PID: 14622 Comm: syz-executor.2 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:928 [inline]
RIP: 0010:__mutex_lock+0xc0b/0x1120 kernel/locking/mutex.c:1093
Code: 08 84 d2 0f 85 a3 04 00 00 8b 05 c8 90 c2 04 85 c0 0f 85 12 f5 ff ff 48 c7 c6 40 9b 6b 89 48 c7 c7 00 99 6b 89 e8 17 2a bd ff <0f> 0b e9 f8 f4 ff ff 65 48 8b 1c 25 00 f0 01 00 be 08 00 00 00 48
RSP: 0018:ffffc9000940f400 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b4c85 RDI: fffff52001281e72
RBP: ffff88807aa18c50 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ade9e R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffffc9000940f5b0 R15: 0000000000000000
FS:  00007f6893111700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005627d0936188 CR3: 000000007933e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee802154_add_seclevel+0x3f/0x70 net/mac802154/cfg.c:367
 rdev_add_seclevel net/ieee802154/rdev-ops.h:276 [inline]
 nl802154_add_llsec_seclevel+0x194/0x230 net/ieee802154/nl802154.c:2077
 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:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2348
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2402
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2435
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6893111188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465f69
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 000000000000000a
RBP: 00000000004bfa67 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008
R13: 00007ffd15b1997f R14: 00007f6893111300 R15: 0000000000022000


---
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