From: syzbot <syzbot+b04c9ffbbd2f303d00d9@syzkaller.appspotmail.com>
To: a@unstable.cc, b.a.t.m.a.n@lists.open-mesh.org,
davem@davemloft.net, edumazet@google.com, jhs@mojatatu.com,
jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org,
mareklindner@neomailbox.ch, netdev@vger.kernel.org,
pabeni@redhat.com, sven@narfation.org, sw@simonwunderlich.de,
syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com
Subject: Re: [syzbot] BUG: MAX_LOCKDEP_ENTRIES too low! (3)
Date: Mon, 21 Nov 2022 23:57:36 -0800 [thread overview]
Message-ID: <000000000000782c8605ee0a8612@google.com> (raw)
In-Reply-To: <000000000000c1e64305ed9dc5e8@google.com>
syzbot has found a reproducer for the following issue on:
HEAD commit: 9ab000d9ac54 Merge branch 'nfc-leaks'
git tree: net
console+strace: https://syzkaller.appspot.com/x/log.txt?x=178f3db5880000
kernel config: https://syzkaller.appspot.com/x/.config?x=6f4e5e9899396248
dashboard link: https://syzkaller.appspot.com/bug?extid=b04c9ffbbd2f303d00d9
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15051edd880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15b9d365880000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/0db12aff8b37/disk-9ab000d9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/62dc4dacf73e/vmlinux-9ab000d9.xz
kernel image: https://storage.googleapis.com/syzbot-assets/0cc1ecdd9ab6/bzImage-9ab000d9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b04c9ffbbd2f303d00d9@syzkaller.appspotmail.com
8021q: adding VLAN 0 to HW filter on device batadv968
BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 5813 Comm: syz-executor248 Not tainted 6.1.0-rc5-syzkaller-00128-g9ab000d9ac54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
alloc_list_entry.cold+0x11/0x18 kernel/locking/lockdep.c:1402
add_lock_to_list kernel/locking/lockdep.c:1423 [inline]
check_prev_add kernel/locking/lockdep.c:3167 [inline]
check_prevs_add kernel/locking/lockdep.c:3216 [inline]
validate_chain kernel/locking/lockdep.c:3831 [inline]
__lock_acquire+0x3626/0x56d0 kernel/locking/lockdep.c:5055
lock_acquire kernel/locking/lockdep.c:5668 [inline]
lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:355 [inline]
batadv_tt_local_event+0x1f6/0x7e0 net/batman-adv/translation-table.c:482
batadv_tt_local_add+0x638/0x1f50 net/batman-adv/translation-table.c:758
batadv_softif_create_vlan+0x2ed/0x530 net/batman-adv/soft-interface.c:586
batadv_interface_add_vid+0xd7/0x110 net/batman-adv/soft-interface.c:646
vlan_add_rx_filter_info+0x149/0x1d0 net/8021q/vlan_core.c:211
__vlan_vid_add net/8021q/vlan_core.c:306 [inline]
vlan_vid_add+0x3f6/0x7f0 net/8021q/vlan_core.c:336
vlan_device_event.cold+0x28/0x2d net/8021q/vlan.c:385
notifier_call_chain+0xb5/0x200 kernel/notifier.c:87
call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1945
call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
call_netdevice_notifiers net/core/dev.c:1997 [inline]
dev_open net/core/dev.c:1473 [inline]
dev_open+0x136/0x150 net/core/dev.c:1461
team_port_add drivers/net/team/team.c:1215 [inline]
team_add_slave+0xa03/0x1b90 drivers/net/team/team.c:1984
do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2578
rtnl_newlink_create net/core/rtnetlink.c:3381 [inline]
__rtnl_newlink+0x13ac/0x17e0 net/core/rtnetlink.c:3581
rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3594
rtnetlink_rcv_msg+0x43e/0xca0 net/core/rtnetlink.c:6091
netlink_rcv_skb+0x157/0x430 net/netlink/af_netlink.c:2540
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg+0xd3/0x120 net/socket.c:734
____sys_sendmsg+0x712/0x8c0 net/socket.c:2482
___sys_sendmsg+0x110/0x1b0 net/socket.c:2536
__sys_sendmsg+0xf7/0x1c0 net/socket.c:2565
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2d5511cab9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 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:00007ffddb541428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000003d335 RCX: 00007f2d5511cab9
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00007ffddb5415c8 R09: 00007ffddb5415c8
R10: 00007ffddb5415c8 R11: 0000000000000246 R12: 00007ffddb54143c
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
</TASK>
team968: Port device batadv968 added
next prev parent reply other threads:[~2022-11-22 7:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-16 22:12 [syzbot] BUG: MAX_LOCKDEP_ENTRIES too low! (3) syzbot
2022-11-22 7:57 ` syzbot [this message]
[not found] <20221122101359.5357-1-hdanton@sina.com>
2022-11-22 10:32 ` syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=000000000000782c8605ee0a8612@google.com \
--to=syzbot+b04c9ffbbd2f303d00d9@syzkaller.appspotmail.com \
--cc=a@unstable.cc \
--cc=b.a.t.m.a.n@lists.open-mesh.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=jhs@mojatatu.com \
--cc=jiri@resnulli.us \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mareklindner@neomailbox.ch \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sven@narfation.org \
--cc=sw@simonwunderlich.de \
--cc=syzkaller-bugs@googlegroups.com \
--cc=xiyou.wangcong@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.