netlink: 'syz-executor.0': attribute type 1 has an invalid length. netlink: 181912 bytes leftover after parsing attributes in process `syz-executor.0'. ------------[ cut here ]------------ skb_assert_len WARNING: CPU: 1 PID: 5011 at include/linux/skbuff.h:2527 skb_assert_len include/linux/skbuff.h:2527 [inline] WARNING: CPU: 1 PID: 5011 at include/linux/skbuff.h:2527 __dev_queue_xmit+0xac/0x1a9c net/core/dev.c:4164 Modules linked in: CPU: 1 PID: 5011 Comm: syz-executor.0 Not tainted 6.2.0-rc7-syzkaller-17907-g2d3827b3f393 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_assert_len include/linux/skbuff.h:2527 [inline] pc : __dev_queue_xmit+0xac/0x1a9c net/core/dev.c:4164 lr : skb_assert_len include/linux/skbuff.h:2527 [inline] lr : __dev_queue_xmit+0xac/0x1a9c net/core/dev.c:4164 sp : ffff800013c3b660 x29: ffff800013c3b6a0 x28: ffff00010b606e00 x27: 0000000000000006 x26: ffff000118949800 x25: ffff0001122af000 x24: ffff0000c7880728 x23: ffff80000d94d000 x22: 0000000000000000 x21: 0000000000000000 x20: ffff0001122af000 x19: ffff0000c7880c00 x18: ffff80000bfae9bc x17: 0000000000000000 x16: ffff000118a1d820 x15: ffff80000dbd2118 x14: ffff000118a1ce00 x13: 00000000ffffffff x12: 0000000000040000 x11: 00000000000136b2 x10: ffff800012ee5000 x9 : 7d0861b1e0beed00 x8 : 7d0861b1e0beed00 x7 : ffff80000bf650d4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000000e Call trace: skb_assert_len include/linux/skbuff.h:2527 [inline] __dev_queue_xmit+0xac/0x1a9c net/core/dev.c:4164 dev_queue_xmit include/linux/netdevice.h:3035 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap+0x244/0x39c net/netlink/af_netlink.c:325 netlink_deliver_tap+0xd8/0x158 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1283 [inline] netlink_sendskb net/netlink/af_netlink.c:1292 [inline] netlink_unicast+0x188/0x538 net/netlink/af_netlink.c:1380 nlmsg_unicast include/net/netlink.h:1099 [inline] genlmsg_unicast include/net/genetlink.h:433 [inline] genlmsg_reply include/net/genetlink.h:443 [inline] ila_xlat_nl_cmd_get_mapping+0x300/0x354 net/ipv6/ila/ila_xlat.c:493 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x42c/0x4c8 net/netlink/genetlink.c:1065 netlink_rcv_skb+0xfc/0x1dc net/netlink/af_netlink.c:2574 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x3a8/0x538 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x480/0x580 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x30c/0x438 net/socket.c:2476 ___sys_sendmsg net/socket.c:2530 [inline] __sys_sendmsg+0x1b0/0x228 net/socket.c:2559 __do_sys_sendmsg net/socket.c:2568 [inline] __se_sys_sendmsg net/socket.c:2566 [inline] __arm64_sys_sendmsg+0x2c/0x3c net/socket.c:2566 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x64/0x178 arch/arm64/kernel/syscall.c:52 el0_svc_common+0xbc/0x180 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x110 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x14c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 772 hardirqs last enabled at (771): [<ffff8000081b97b0>] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:345 hardirqs last disabled at (772): [<ffff80000bf54c04>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (738): [<ffff80000801054c>] _stext+0x54c/0x5e4 softirqs last disabled at (635): [<ffff8000080179e0>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- skb len=0 headroom=0 headlen=0 tailroom=192 mac=(0,0) net=(0,-1) trans=-1 shinfo(txflags=0 nr_frags=0 gso(size=0 type=0 segs=0)) csum(0x0 ip_summed=0 complete_sw=0 valid=0 level=0) hash(0x0 sw=0 l4=0) proto=0x0010 pkttype=6 iif=0 dev name=nlmon0 feat=0x0000000000005861