------------[ cut here ]------------
WARNING: CPU: 0 PID: 3682 at include/linux/skbuff.h:2911 ipgre_xmit+0x87e/0x950
Modules linked in:
CPU: 0 PID: 3682 Comm: syz-executor.6 Not tainted 5.18.0-syzkaller-12146-gd5d4c36398ba #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ipgre_xmit+0x87e/0x950
Code: 89 14 24 e8 e4 54 d0 f9 48 8b 14 24 e9 d3 f9 ff ff e8 e6 54 d0 f9 e9 6a fa ff ff e8 ec 54 d0 f9 e9 0e fa ff ff e8 72 f7 83 f9 <0f> 0b e9 74 fa ff ff 48 8b 7c 24 10 e8 e1 54 d0 f9 e9 1a f8 ff ff
RSP: 0018:ffffc9000382f280 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888075888040 RCX: 0000000000000000
RDX: ffff88807d9a6180 RSI: ffffffff87f642ee RDI: 0000000000000003
RBP: ffff888045906000 R08: 0000000000000003 R09: 000000000000ffff
R10: 000000000000ffff R11: 0000000000000000 R12: 000000000000ffff
R13: ffff8880758880f4 R14: ffff8880453060e0 R15: ffff888075888118
FS:  00007f37529c36c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f375198d090 CR3: 0000000020273000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dev_hard_start_xmit+0x144/0x860
 __dev_queue_xmit+0xa3d/0x3cd0
 __bpf_redirect+0x60b/0xe30
 bpf_clone_redirect+0x2ab/0x420
 ___bpf_prog_run+0x42e5/0x8de0
 __bpf_prog_run512+0x91/0xd0
 bpf_test_run+0x393/0x980
 bpf_prog_test_run_skb+0xb65/0x1dc0
 __sys_bpf+0x11d4/0x52f0
 __x64_sys_bpf+0x74/0xb0
 do_syscall_64+0x34/0xb0
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f3751879969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f37529c30c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f375198bf60 RCX: 00007f3751879969
RDX: 0000000000000048 RSI: 0000000020000080 RDI: 000000000000000a
RBP: 00007f37518d5074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f375198bf60 R15: 00007ffdad70e3b8
 </TASK>
