------------[ cut here ]------------ WARNING: CPU: 1 PID: 8772 at include/linux/skbuff.h:2749 pskb_may_pull_reason include/linux/skbuff.h:2749 [inline] WARNING: CPU: 1 PID: 8772 at include/linux/skbuff.h:2749 pskb_may_pull include/linux/skbuff.h:2765 [inline] WARNING: CPU: 1 PID: 8772 at include/linux/skbuff.h:2749 pskb_network_may_pull include/linux/skbuff.h:3086 [inline] WARNING: CPU: 1 PID: 8772 at include/linux/skbuff.h:2749 pskb_inet_may_pull include/net/ip_tunnels.h:459 [inline] WARNING: CPU: 1 PID: 8772 at include/linux/skbuff.h:2749 gre_tap_xmit+0x64a/0x800 net/ipv4/ip_gre.c:756 Modules linked in: CPU: 1 PID: 8772 Comm: syz-executor.3 Not tainted 6.9.0-rc5-syzkaller-01502-gfcd1ed89a043 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:pskb_may_pull_reason include/linux/skbuff.h:2749 [inline] RIP: 0010:pskb_may_pull include/linux/skbuff.h:2765 [inline] RIP: 0010:pskb_network_may_pull include/linux/skbuff.h:3086 [inline] RIP: 0010:pskb_inet_may_pull include/net/ip_tunnels.h:459 [inline] RIP: 0010:gre_tap_xmit+0x64a/0x800 net/ipv4/ip_gre.c:756 Code: 84 c0 0f 85 6b 01 00 00 0f b6 8b 35 0d 00 00 4c 89 e7 48 89 de 48 8b 54 24 18 e8 f1 97 fb ff e9 e3 fb ff ff e8 87 3e 90 f7 90 <0f> 0b 90 e9 1e fb ff ff 44 89 f7 44 89 e6 e8 33 40 90 f7 45 39 e6 RSP: 0018:ffffc90013016d20 EFLAGS: 00010283 RAX: ffffffff8a05ddc9 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90005329000 RSI: 0000000000014603 RDI: 0000000000014604 RBP: ffffc90013016e20 R08: ffffffff8a05d8e2 R09: 1ffffffff1f526d5 R10: dffffc0000000000 R11: ffffffff8a05d780 R12: 00000000ffffffb6 R13: ffff88802e4b2140 R14: ffff88802e4b2210 R15: dffffc0000000000 FS: 00007fae411996c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020010000 CR3: 0000000025054000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> __netdev_start_xmit include/linux/netdevice.h:4880 [inline] netdev_start_xmit include/linux/netdevice.h:4894 [inline] xmit_one net/core/dev.c:3564 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3580 sch_direct_xmit+0x2b6/0x5f0 net/sched/sch_generic.c:343 __dev_xmit_skb net/core/dev.c:3793 [inline] __dev_queue_xmit+0x1a24/0x3d30 net/core/dev.c:4345 bond_start_xmit+0x1389/0x1c40 drivers/net/bonding/bond_main.c:5469 __netdev_start_xmit include/linux/netdevice.h:4880 [inline] netdev_start_xmit include/linux/netdevice.h:4894 [inline] xmit_one net/core/dev.c:3564 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3580 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4379 packet_snd net/packet/af_packet.c:3081 [inline] packet_sendmsg+0x46a9/0x6130 net/packet/af_packet.c:3113 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae4047dd69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fae411990c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fae405abf80 RCX: 00007fae4047dd69 RDX: 00000000200400c4 RSI: 0000000020000180 RDI: 0000000000000005 RBP: 00007fae404ca49e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000004d R14: 00007fae405abf80 R15: 00007fff0303e3d8 </TASK>