call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1919
 call_netdevice_notifiers_extack net/core/dev.c:1931 [inline]
 call_netdevice_notifiers net/core/dev.c:1945 [inline]
 netdev_features_change net/core/dev.c:1290 [inline]
 netdev_update_features net/core/dev.c:9389 [inline]
 netdev_update_features+0xc4/0xd0 net/core/dev.c:9386
 br_add_if+0xe9f/0x1f00 net/bridge/br_if.c:664
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2521
 do_setlink+0x9f3/0x3940 net/core/rtnetlink.c:2725
 __rtnl_newlink+0xde6/0x1750 net/core/rtnetlink.c:3390
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3505
 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5570
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3625 at lib/ref_tracker.c:38 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
WARNING: CPU: 1 PID: 3625 at lib/ref_tracker.c:38 ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:37
Modules linked in:
CPU: 1 PID: 3625 Comm: syz-executor541 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ref_tracker_dir_exit.cold+0x137/0x1e3 lib/ref_tracker.c:38
Code: 4c 89 ef e8 64 b9 a9 f8 4c 8b 3c 24 4c 39 fd 49 8b 07 0f 85 b5 00 00 00 e8 ff 49 62 f8 48 8b 74 24 10 4c 89 e7 e8 d2 12 36 00 <0f> 0b e9 9e 45 e9 fa 4c 89 ff e8 33 b9 a9 f8 e9 d4 fe ff ff e8 19
RSP: 0018:ffffc9000204f598 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff88814760c600 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817df658 R11: 0000000000000000 R12: ffff88814760c5b8
R13: ffff88814760c600 R14: ffff88814760c600 R15: ffff88814760c600
FS:  000055555599f300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe0c641f38 CR3: 00000000784fc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 free_netdev+0x32a/0x5b0 net/core/dev.c:10280
 netdev_run_todo+0x8a0/0xaa0 net/core/dev.c:9957
 rtnl_unlock net/core/rtnetlink.c:112 [inline]
 rtnetlink_rcv_msg+0x420/0xb80 net/core/rtnetlink.c:5571
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2492
 netlink_unicast_kernel net/netlink/af_netlink.c:1315 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1341
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb4ecab24e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 15 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:00007ffe0c641f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb4ecab24e9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe0c641f80 R09: 00007ffe0c641f80
R10: 00007ffe0c641f80 R11: 0000000000000246 R12: 00007ffe0c641f7c
R13: 00007ffe0c641f90 R14: 00007ffe0c641fd0 R15: 000000000000000a
 </TASK>