------------[ cut here ]------------ WARNING: CPU: 1 PID: 6384 at net/core/dev.c:10876 unregister_netdevice_many_notify+0x123c/0x17b8 net/core/dev.c:10876 Modules linked in: CPU: 1 PID: 6384 Comm: syz-executor.0 Not tainted 6.5.0-rc6-syzkaller-gac9847efd629 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : unregister_netdevice_many_notify+0x123c/0x17b8 net/core/dev.c:10876 lr : unregister_netdevice_many_notify+0x123c/0x17b8 net/core/dev.c:10876 sp : ffff800099976b00 x29: ffff800099976ca0 x28: ffff800099976d60 x27: ffff800099976c20 x26: dfff800000000000 x25: ffff800099976c00 x24: ffff800099976be0 x23: ffff0000d9372000 x22: ffff800099976be8 x21: ffff0000d9372060 x20: ffff0000d962a640 x19: ffff0000d93720a0 x18: 1fffe0003683f1c6 x17: ffff800088816e44 x16: ffff8000805154c0 x15: 0000000000000001 x14: 1ffff0001213ba60 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff8000972f9000 x8 : 0000000000040000 x7 : ffff8000802f03ec x6 : 0000000000000000 x5 : ffff8000999768a0 x4 : 0000000000000000 x3 : ffff80008030d6d4 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: unregister_netdevice_many_notify+0x123c/0x17b8 net/core/dev.c:10876 rtnl_delete_link net/core/rtnetlink.c:3214 [inline] rtnl_dellink+0x490/0x7b0 net/core/rtnetlink.c:3266 rtnetlink_rcv_msg+0x748/0xdc0 net/core/rtnetlink.c:6428 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2549 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6446 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg net/socket.c:748 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2494 ___sys_sendmsg net/socket.c:2548 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2577 __do_sys_sendmsg net/socket.c:2586 [inline] __se_sys_sendmsg net/socket.c:2584 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2584 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 18564 hardirqs last enabled at (18563): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (18563): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (18564): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (18526): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (18526): [] netif_addr_unlock_bh include/linux/netdevice.h:4536 [inline] softirqs last enabled at (18526): [] dev_mc_flush+0x1b4/0x1f8 net/core/dev_addr_lists.c:1036 softirqs last disabled at (18516): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---