Code: 47 f7 49 39 de 0f 84 31 fe ff ff e8 ae 16 ca f6 0f 0b e9 2a fe ff ff e8 62 52 47 f7 49 39 de 0f 84 25 ff ff ff e8 94 16 ca f6 <0f> 0b 4d 85 e4 0f 84 23 ff ff ff 8b 7d 9c e8 41 52 47 f7 e9 16 ff
RSP: 0018:ffff8880933cb1b0 EFLAGS: 00010287
RAX: ffffffff8ade15bc RBX: ffff88808a1ef0b0 RCX: 0000000000040000
RDX: ffffc9000c201000 RSI: 000000000000c811 RDI: 000000000000c812
RBP: ffff8880933cb2c0 R08: ffffffff8ade1414 R09: ffff8880933caf68
=====================================================
BUG: KMSAN: uninit-value in __show_regs+0xbae/0xc90 arch/x86/kernel/process_64.c:87
 __show_regs+0xbae/0xc90 arch/x86/kernel/process_64.c:87
 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469
 __warn+0x242/0x580 kernel/panic.c:618
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:317
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:338
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568
 unregister_netdevice_many+0x24cc/0x2f20
 rtnl_delete_link net/core/rtnetlink.c:3123 [inline]
 rtnl_dellink+0x1071/0x1490 net/core/rtnetlink.c:3174
 rtnetlink_rcv_msg+0x16c9/0x1860 net/core/rtnetlink.c:6091
 netlink_rcv_skb+0x3b5/0x6e0 net/netlink/af_netlink.c:2540
 rtnetlink_rcv+0x30/0x40 net/core/rtnetlink.c:6109
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x127d/0x1430 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 ____sys_sendmsg+0xa8e/0xe70 net/socket.c:2482
 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2536
 __sys_sendmsg net/socket.c:2565 [inline]
 __do_sys_sendmsg net/socket.c:2574 [inline]
 __se_sys_sendmsg net/socket.c:2572 [inline]
 __x64_sys_sendmsg+0x367/0x540 net/socket.c:2572
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable __wq_entry.i created at:
 exp_funnel_lock kernel/rcu/tree_exp.h:315 [inline]
 synchronize_rcu_expedited+0x103b/0x12c0 kernel/rcu/tree_exp.h:946
 synchronize_net net/core/dev.c:10749 [inline]
 unregister_netdevice_many+0xfb4/0x2f20 net/core/dev.c:10832

CPU: 1 PID: 25184 Comm: syz-executor.2 Not tainted 6.1.0-rc2-syzkaller-61959-gbe8b0d020631 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================