BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 23899 Comm: syz-executor.3 Not tainted 5.4.0-rc3-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+0x113/0x167 lib/dump_stack.c:113 alloc_list_entry.cold.51+0x11/0x18 kernel/locking/lockdep.c:1292 add_lock_to_list kernel/locking/lockdep.c:1313 [inline] check_prev_add kernel/locking/lockdep.c:2528 [inline] check_prevs_add kernel/locking/lockdep.c:2581 [inline] validate_chain kernel/locking/lockdep.c:2971 [inline] __lock_acquire+0x2d21/0x4ef0 kernel/locking/lockdep.c:3955 lock_acquire+0x194/0x410 kernel/locking/lockdep.c:4487 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:343 [inline] netif_addr_lock_bh include/linux/netdevice.h:4066 [inline] dev_set_rx_mode+0x19/0x30 net/core/dev.c:7639 __dev_change_flags+0x16c/0x5a0 net/core/dev.c:7700 dev_change_flags+0x7b/0x160 net/core/dev.c:7784 do_setlink+0xa1a/0x2e20 net/core/rtnetlink.c:2498 __rtnl_newlink+0xa57/0x13f0 net/core/rtnetlink.c:3130 rtnl_newlink+0x61/0x90 net/core/rtnetlink.c:3255 rtnetlink_rcv_msg+0x34f/0x8f0 net/core/rtnetlink.c:5224 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5242 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x43b/0x640 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x74b/0xc00 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:657 __sys_sendto+0x1f2/0x2e0 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xdc/0x1a0 net/socket.c:1960 do_syscall_64+0xca/0x5d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x414603 Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 6d 3e 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff RSP: 002b:00007ffceedc7c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414603 RDX: 000000000000002c RSI: 0000000000a72250 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffceedc7c40 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003 hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 8021q: adding VLAN 0 to HW filter on device batadv0 kobject: 'vlan0' (00000000ae99000f): kobject_add_internal: parent: 'mesh', set: ''