------------[ cut here ]------------ skb_assert_len WARNING: CPU: 1 PID: 13643 at include/linux/skbuff.h:2541 skb_assert_len include/linux/skbuff.h:2541 [inline] WARNING: CPU: 1 PID: 13643 at include/linux/skbuff.h:2541 __dev_queue_xmit+0x1df8/0x3734 net/core/dev.c:4161 Modules linked in: CPU: 1 PID: 13643 Comm: syz-executor.0 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 : ffff800022137560 x29: ffff800022137780 x28: ffff0000d753ac18 x27: dfff800000000000 x26: ffff0000d9e24000 x25: ffff0000d753abb0 x24: dfff800000000000 x23: 0000000000000000 x22: 1fffe0001aea756a x21: ffff0000d753ab50 x20: ffff0000d753ab40 x19: ffff8000186ef000 x18: 1fffe000368995b6 x17: ffff800015cdd000 x16: ffff8000083154ec x15: 0000000000000000 x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000003 x11: ff8080000ab89838 x10: 0000000000000003 x9 : ef6be39334f46e00 x8 : ef6be39334f46e00 x7 : ffff80000828dc14 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff8000221370a0 x1 : ffff8000125c08e0 x0 : ffff80019e89e000 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] packet_sendmsg_spkt+0xb74/0xfdc net/packet/af_packet.c:2066 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: 292 hardirqs last enabled at (291): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline] hardirqs last enabled at (291): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5062 hardirqs last disabled at (292): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (284): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (284): [] __do_softirq+0xd64/0xfbc kernel/softirq.c:600 softirqs last disabled at (137): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- skb len=0 headroom=16 headlen=0 tailroom=304 mac=(16,0) net=(16,-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=0x0000 pkttype=0 iif=0 dev name=sit0 feat=0x00000006401d7869 sk family=17 type=10 proto=0