------------[ cut here ]------------ skb_assert_len WARNING: CPU: 0 PID: 20300 at include/linux/skbuff.h:2570 skb_assert_len include/linux/skbuff.h:2570 [inline] WARNING: CPU: 0 PID: 20300 at include/linux/skbuff.h:2570 __dev_queue_xmit+0x2325/0x3b10 net/core/dev.c:4118 Modules linked in: CPU: 0 PID: 20300 Comm: syz-executor.4 Not tainted 6.4.0-rc7-syzkaller-01944-g3674fbf0451d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:skb_assert_len include/linux/skbuff.h:2570 [inline] RIP: 0010:__dev_queue_xmit+0x2325/0x3b10 net/core/dev.c:4118 Code: 89 de e8 2e b1 73 f9 84 db 75 21 e8 45 b5 73 f9 48 c7 c6 20 93 5e 8b 48 c7 c7 00 65 5e 8b c6 05 0f d4 54 06 01 e8 eb 6c 3b f9 <0f> 0b e8 24 b5 73 f9 0f b6 1d fb d3 54 06 31 ff 89 de e8 f4 b0 73 RSP: 0018:ffffc900055a77a8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000ab51000 RDX: 0000000000040000 RSI: ffffffff814c02a7 RDI: 0000000000000001 RBP: ffff888028987000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888028987070 R13: ffff8880289870d8 R14: ffff888028987010 R15: 0000000000000000 FS: 00007f920b158700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556ae5708 CR3: 000000002a4d0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dev_queue_xmit include/linux/netdevice.h:3088 [inline] __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:325 [inline] netlink_deliver_tap+0xa89/0xcf0 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1283 [inline] netlink_dump+0x786/0xc50 net/netlink/af_netlink.c:2280 netlink_recvmsg+0xdcf/0x10f0 net/netlink/af_netlink.c:1996 sock_recvmsg_nosec net/socket.c:1019 [inline] sock_recvmsg+0xe2/0x160 net/socket.c:1040 __sys_recvfrom+0x1b0/0x2e0 net/socket.c:2185 __do_sys_recvfrom net/socket.c:2203 [inline] __se_sys_recvfrom net/socket.c:2199 [inline] __x64_sys_recvfrom+0xe1/0x1b0 net/socket.c:2199 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f920a43e1e4 Code: 89 4c 24 1c e8 bd fb ff ff 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 e9 fb ff ff 48 8b 04 RSP: 002b:00007f920b157010 EFLAGS: 00000246 ORIG_RAX: 000000000000002d RAX: ffffffffffffffda RBX: 00007f920b1570f0 RCX: 00007f920a43e1e4 RDX: 0000000000001000 RSI: 00007f920b157140 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f920b1570a8 R13: 00007f920b157140 R14: 0000000000000004 R15: 0000000000000000