Code: 47 f7 49 39 de 0f 84 31 fe ff ff e8 5e 17 ca f6 0f 0b e9 2a fe ff ff e8 12 53 47 f7 49 39 de 0f 84 25 ff ff ff e8 44 17 ca f6 <0f> 0b 4d 85 e4 0f 84 23 ff ff ff 8b 7d 9c e8 f1 52 47 f7 e9 16 ff RSP: 0018:ffff88806aaaf1b0 EFLAGS: 00010283 RAX: ffffffff8ade150c RBX: ffff88805eb680b0 RCX: 0000000000040000 RDX: ffffc90007bde000 RSI: 0000000000021e0d RDI: 0000000000021e0e RBP: ffff88806aaaf2c0 R08: ffffffff8ade1364 R09: ffff88806aaaef68 ===================================================== 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 created at: synchronize_rcu_expedited+0xebd/0x12c0 kernel/rcu/tree_exp.h:961 synchronize_net net/core/dev.c:10749 [inline] unregister_netdevice_many+0xfb4/0x2f20 net/core/dev.c:10832 CPU: 0 PID: 22271 Comm: syz-executor.4 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================