From: syzbot <syzbot+a70a6358abd2c3f9550f@syzkaller.appspotmail.com>
To: Jason@zx2c4.com, davem@davemloft.net, kuba@kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
syzkaller-bugs@googlegroups.com, wireguard@lists.zx2c4.com
Subject: [syzbot] BUG: MAX_LOCKDEP_KEYS too low! (2)
Date: Wed, 19 May 2021 10:35:20 -0700 [thread overview]
Message-ID: <0000000000003687bd05c2b2401d@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: b81ac784 net: cdc_eem: fix URL to CDC EEM 1.0 spec
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=15a257c3d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=5b86a12e0d1933b5
dashboard link: https://syzkaller.appspot.com/bug?extid=a70a6358abd2c3f9550f
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+a70a6358abd2c3f9550f@syzkaller.appspotmail.com
BUG: MAX_LOCKDEP_KEYS too low!
turning off the locking correctness validator.
CPU: 0 PID: 5917 Comm: syz-executor.4 Not tainted 5.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x141/0x1d7 lib/dump_stack.c:120
register_lock_class.cold+0x14/0x19 kernel/locking/lockdep.c:1281
__lock_acquire+0x102/0x5230 kernel/locking/lockdep.c:4781
lock_acquire kernel/locking/lockdep.c:5512 [inline]
lock_acquire+0x1ab/0x740 kernel/locking/lockdep.c:5477
flush_workqueue+0x110/0x13e0 kernel/workqueue.c:2786
drain_workqueue+0x1a5/0x3c0 kernel/workqueue.c:2951
destroy_workqueue+0x71/0x800 kernel/workqueue.c:4382
alloc_workqueue+0xc40/0xef0 kernel/workqueue.c:4343
wg_newlink+0x43d/0x9e0 drivers/net/wireguard/device.c:335
__rtnl_newlink+0x1062/0x1710 net/core/rtnetlink.c:3452
rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500
rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5562
netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
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+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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:00007fb25febe188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0
R13: 00007fff30a5021f R14: 00007fb25febe300 R15: 0000000000022000
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
next reply other threads:[~2021-05-19 17:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 17:35 syzbot [this message]
2021-05-19 19:48 ` Dmitry Vyukov
2021-05-19 19:57 ` Randy Dunlap
2021-05-19 20:09 ` Dmitry Vyukov
2021-05-20 5:02 ` Tetsuo Handa
2021-05-21 7:04 ` Dmitry Vyukov
2022-11-08 13:40 ` syzbot
2022-11-08 18:36 ` Dmitry Vyukov
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