------------[ cut here ]------------ skb_assert_len WARNING: CPU: 0 PID: 6044 at include/linux/skbuff.h:2570 skb_assert_len include/linux/skbuff.h:2570 [inline] WARNING: CPU: 0 PID: 6044 at include/linux/skbuff.h:2570 __dev_queue_xmit+0x19f0/0x3154 net/core/dev.c:4286 Modules linked in: CPU: 0 PID: 6044 Comm: syz.5.466 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : skb_assert_len include/linux/skbuff.h:2570 [inline] pc : __dev_queue_xmit+0x19f0/0x3154 net/core/dev.c:4286 lr : skb_assert_len include/linux/skbuff.h:2570 [inline] lr : __dev_queue_xmit+0x19f0/0x3154 net/core/dev.c:4286 sp : ffff8000214675c0 x29: ffff800021467780 x28: ffff70000428cec8 x27: dfff800000000000 x26: 1fffe0001a531042 x25: ffff0000dac58000 x24: ffff0001007fe664 x23: 1fffe0001a53102a x22: 0000000000000000 x21: ffff0000d2988150 x20: ffff800017d5e000 x19: ffff0000d2988140 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011b90080 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033e727a3 x12: 0000000000080000 x11: 0000000000002acc x10: ffff8000332cc000 x9 : cadaf566c8aed900 x8 : cadaf566c8aed900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021467058 x4 : ffff800015464e80 x3 : ffff800008540904 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: skb_assert_len include/linux/skbuff.h:2570 [inline] __dev_queue_xmit+0x19f0/0x3154 net/core/dev.c:4286 dev_queue_xmit+0x24/0x34 include/linux/netdevice.h:3051 tpacket_snd net/packet/af_packet.c:2936 [inline] packet_sendmsg+0x1b14/0x40ac net/packet/af_packet.c:3162 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x324/0x440 net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __arm64_sys_sendto+0xe4/0x104 net/socket.c:2161 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1470 hardirqs last enabled at (1469): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (1470): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1454): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (1454): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (1413): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- skb len=0 headroom=144 headlen=0 tailroom=560 mac=(144,0) net=(144,-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=0 iif=0 dev name=wg0 feat=0x00000106401d5829 sk family=17 type=2 proto=0