netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 netlink: 'syz-executor355': attribute type 10 has an invalid length. bond0: (slave gretap0): Enslaving as an active interface with an up link ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3542 at include/linux/skbuff.h:2641 pskb_network_may_pull include/linux/skbuff.h:2967 [inline] WARNING: CPU: 1 PID: 3542 at include/linux/skbuff.h:2641 pskb_inet_may_pull include/net/ip_tunnels.h:351 [inline] WARNING: CPU: 1 PID: 3542 at include/linux/skbuff.h:2641 gre_tap_xmit+0x501/0x6e0 net/ipv4/ip_gre.c:737 Modules linked in: CPU: 1 PID: 3542 Comm: syz-executor355 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:pskb_may_pull include/linux/skbuff.h:2641 [inline] RIP: 0010:pskb_network_may_pull include/linux/skbuff.h:2967 [inline] RIP: 0010:pskb_inet_may_pull include/net/ip_tunnels.h:351 [inline] RIP: 0010:gre_tap_xmit+0x501/0x6e0 net/ipv4/ip_gre.c:737 Code: b6 8d 09 0d 00 00 4c 89 ef 48 89 ee 48 89 da e8 25 b6 fb ff 31 c0 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5f a1 60 f8 <0f> 0b e9 04 fc ff ff 44 89 e7 89 ee e8 ae a2 60 f8 41 39 ec 48 bd RSP: 0018:ffffc900039fee90 EFLAGS: 00010293 RAX: ffffffff8929ee01 RBX: ffff888070cc75d8 RCX: ffff8880244e0000 RDX: 0000000000000000 RSI: 00000000ffffffb6 RDI: 0000000000000000 RBP: 00000000ffffffb6 R08: ffffffff8929e9fe R09: fffffbfff1ce6eee R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff888070cc7500 R14: ffff888078f5a000 R15: dffffc0000000000 FS: 0000555557053380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 000000007974b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __netdev_start_xmit include/linux/netdevice.h:4853 [inline] netdev_start_xmit include/linux/netdevice.h:4867 [inline] xmit_one net/core/dev.c:3627 [inline] dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3643 sch_direct_xmit+0x2b2/0x5e0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3854 [inline] __dev_queue_xmit+0x1ace/0x3cf0 net/core/dev.c:4259 bond_start_xmit+0x134b/0x1d50 drivers/net/bonding/bond_main.c:5482 __netdev_start_xmit include/linux/netdevice.h:4853 [inline] netdev_start_xmit include/linux/netdevice.h:4867 [inline] xmit_one net/core/dev.c:3627 [inline] dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3643 __dev_queue_xmit+0x1bb1/0x3cf0 net/core/dev.c:4293 packet_snd net/packet/af_packet.c:3077 [inline] packet_sendmsg+0x4775/0x61a0 net/packet/af_packet.c:3108 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2597 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f4ace735c09 Code: 48 83 c4 28 c3 e8 d7 19 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffee638f638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4ace7833d3 RCX: 00007f4ace735c09 RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000004 RBP: 00007ffee638f660 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000004 R11: 0000000000000246 R12: 00007ffee638f670 R13: 00007f4ace783004 R14: 00007ffee638f65c R15: 0000000000000003