BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
CPU: 1 PID: 5607 Comm: syz-executor.1 Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 alloc_list_entry.cold+0x11/0x18 kernel/locking/lockdep.c:1310
 add_lock_to_list kernel/locking/lockdep.c:1331 [inline]
 check_prev_add kernel/locking/lockdep.c:2548 [inline]
 check_prevs_add kernel/locking/lockdep.c:2601 [inline]
 validate_chain kernel/locking/lockdep.c:3218 [inline]
 __lock_acquire+0x2ec4/0x4a70 kernel/locking/lockdep.c:4380
 lock_acquire+0x1f2/0x8f0 kernel/locking/lockdep.c:4959
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151
 spin_lock include/linux/spinlock.h:353 [inline]
 cache_alloc_refill mm/slab.c:2935 [inline]
 ____cache_alloc mm/slab.c:3055 [inline]
 ____cache_alloc mm/slab.c:3038 [inline]
 __do_cache_alloc mm/slab.c:3277 [inline]
 slab_alloc mm/slab.c:3312 [inline]
 kmem_cache_alloc_trace+0x459/0x7d0 mm/slab.c:3549
 kmalloc include/linux/slab.h:555 [inline]
 __hw_addr_create_ex+0x5b/0x310 net/core/dev_addr_lists.c:30
 __hw_addr_add_ex+0x1ed/0x2b0 net/core/dev_addr_lists.c:76
 __dev_mc_add+0x76/0xd0 net/core/dev_addr_lists.c:766
 igmp6_group_added+0x375/0x420 net/ipv6/mcast.c:669
 __ipv6_dev_mc_inc+0x819/0xca0 net/ipv6/mcast.c:928
 ipv6_add_dev net/ipv6/addrconf.c:456 [inline]
 ipv6_add_dev+0x99d/0x1090 net/ipv6/addrconf.c:364
 addrconf_notify+0x89c/0x2270 net/ipv6/addrconf.c:3462
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83
 call_netdevice_notifiers_info net/core/dev.c:2016 [inline]
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2001
 call_netdevice_notifiers_extack net/core/dev.c:2028 [inline]
 call_netdevice_notifiers net/core/dev.c:2042 [inline]
 register_netdevice+0xd70/0x10b0 net/core/dev.c:9541
 internal_dev_create+0x307/0x540 net/openvswitch/vport-internal_dev.c:191
 ovs_vport_add+0x14a/0x4f0 net/openvswitch/vport.c:200
 new_vport+0x16/0x1c0 net/openvswitch/datapath.c:195
 ovs_dp_cmd_new+0x4e9/0xdb0 net/openvswitch/datapath.c:1689
 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:718 [inline]
 genl_rcv_msg+0x627/0xdf0 net/netlink/genetlink.c:735
 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2469
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:746
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e6/0x810 net/socket.c:2352
 ___sys_sendmsg+0x100/0x170 net/socket.c:2406
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45ca59
Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa64c302c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000501aa0 RCX: 000000000045ca59
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000a20 R14: 00000000004cd035 R15: 00007fa64c3036d4
device 201 entered promiscuous mode