netlink: 232 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ skb_assert_len WARNING: CPU: 0 PID: 11712 at include/linux/skbuff.h:2541 skb_assert_len include/linux/skbuff.h:2541 [inline] WARNING: CPU: 0 PID: 11712 at include/linux/skbuff.h:2541 __dev_queue_xmit+0x1df8/0x3734 net/core/dev.c:4161 Modules linked in: CPU: 0 PID: 11712 Comm: syz-executor.2 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skb_assert_len include/linux/skbuff.h:2541 [inline] pc : __dev_queue_xmit+0x1df8/0x3734 net/core/dev.c:4161 lr : skb_assert_len include/linux/skbuff.h:2541 [inline] lr : __dev_queue_xmit+0x1df8/0x3734 net/core/dev.c:4161 sp : ffff800022666c40 x29: ffff800022666e60 x28: ffff0000cf986718 x27: ffff0000d1af0a00 x26: dfff800000000000 x25: ffff0000cf9866b0 x24: dfff800000000000 x23: 0000000000000000 x22: 1fffe00019f30cca x21: ffff0000cf986650 x20: ffff0000cf986640 x19: ffff8000186ef000 x18: 1fffe000368951b6 x17: ffff800015cdd000 x16: ffff8000083154ec x15: 0000000000000000 x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000003 x11: ff8080000ab89838 x10: 0000000000000003 x9 : 58b7cfa7ffeb9100 x8 : 58b7cfa7ffeb9100 x7 : ffff80000828dc14 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff8000125c08e0 x0 : ffff80019e87c000 Call trace: skb_assert_len include/linux/skbuff.h:2541 [inline] __dev_queue_xmit+0x1df8/0x3734 net/core/dev.c:4161 dev_queue_xmit include/linux/netdevice.h:3051 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap+0x45c/0x6f8 net/netlink/af_netlink.c:325 netlink_deliver_tap+0x1ac/0x1b0 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1283 [inline] netlink_sendskb+0x6c/0x154 net/netlink/af_netlink.c:1292 netlink_unicast+0x334/0x8d4 net/netlink/af_netlink.c:1380 nlmsg_unicast include/net/netlink.h:1100 [inline] genlmsg_unicast include/net/genetlink.h:433 [inline] genlmsg_reply include/net/genetlink.h:443 [inline] ila_xlat_nl_cmd_get_mapping+0x65c/0x80c 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+0x938/0xc1c net/netlink/genetlink.c:1065 netlink_rcv_skb+0x214/0x3c4 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+0x660/0x8d4 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:722 [inline] sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x568/0x81c net/socket.c:2504 ___sys_sendmsg net/socket.c:2558 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2587 __do_sys_sendmsg net/socket.c:2596 [inline] __se_sys_sendmsg net/socket.c:2594 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2594 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x168 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: 960 hardirqs last enabled at (959): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (959): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5062 hardirqs last disabled at (960): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (884): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (878): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- skb len=0 headroom=0 headlen=0 tailroom=320 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